Search

David C. Comstock

Examiner (ID: 8684, Phone: (571)272-4710 , Office: P/3733 )

Most Active Art Unit
3733
Art Unit(s)
3773, 3732, 3733
Total Applications
2114
Issued Applications
1614
Pending Applications
211
Abandoned Applications
321

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18117438 [patent_doc_number] => 11548819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Cementitious reagents, methods of manufacturing and uses thereof [patent_app_type] => utility [patent_app_number] => 17/369533 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 22420 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369533 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369533
Cementitious reagents, methods of manufacturing and uses thereof Jul 6, 2021 Issued
Array ( [id] => 17185086 [patent_doc_number] => 20210331971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/369486 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369486
Cementitious reagents, methods of manufacturing and uses thereof Jul 6, 2021 Issued
Array ( [id] => 17185087 [patent_doc_number] => 20210331972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 17/369509 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369509 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369509
Cementitious reagents, methods of manufacturing and uses thereof Jul 6, 2021 Issued
Array ( [id] => 18198848 [patent_doc_number] => 20230052367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => CORROSION INHIBITION COMPOSITIONS AND ASSOCIATED METHODS FOR INHIBITING CORROSION ON METALLIC SUBSTRATES [patent_app_type] => utility [patent_app_number] => 17/366242 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3369 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366242 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366242
Corrosion inhibition compositions and associated methods for inhibiting corrosion on metallic substrates Jul 1, 2021 Issued
Array ( [id] => 18674905 [patent_doc_number] => 20230312418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => DRY MATERIAL MIXTURE FOR A BACKFILL, PREFERABLY A REFRACTORY CONCRETE BACKFILL, FOR PRODUCING A HEAVY-CLAY REFRACTORY NON-BASIC PRODUCT, REFRACTORY CONCRETE BACKFILL AND SUCH A PRODUCT, METHOD FOR PRODUCING SAME, LINING, AND INDUSTRIAL FURNACE, CHANNEL TRANSPORT SYSTEM OR MOBILE TRANSPORT VESSEL [patent_app_type] => utility [patent_app_number] => 18/012249 [patent_app_country] => US [patent_app_date] => 2021-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18012249 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012249
Dry material mixture for a backfill, preferably a refractory concrete backfill, for producing a heavy-clay refractory non-basic product, refractory concrete backfill and such a product, method for producing same, lining, and industrial furnace, channel transport system or mobile transport vessel Jun 30, 2021 Issued
Array ( [id] => 18497243 [patent_doc_number] => 20230219850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => SULFATE-POOR CALCIUM-CONTAINING POROUS MINERAL MATERIALS [patent_app_type] => utility [patent_app_number] => 18/015763 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6057 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18015763 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/015763
SULFATE-POOR CALCIUM-CONTAINING POROUS MINERAL MATERIALS Jun 29, 2021 Pending
Array ( [id] => 18559080 [patent_doc_number] => 11724306 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-15 [patent_title] => Coating composition embodiments for use in investment casting methods [patent_app_type] => utility [patent_app_number] => 17/358780 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 9093 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17358780 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/358780
Coating composition embodiments for use in investment casting methods Jun 24, 2021 Issued
Array ( [id] => 17299310 [patent_doc_number] => 20210395149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => THREE-DIMENSIONAL PRINTING OF CEMENTITIOUS COMPOSITIONS [patent_app_type] => utility [patent_app_number] => 17/353628 [patent_app_country] => US [patent_app_date] => 2021-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17353628 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/353628
Three-dimensional printing of cementitious compositions Jun 20, 2021 Issued
Array ( [id] => 20578340 [patent_doc_number] => 12570582 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Controlling carbonation [patent_app_type] => utility [patent_app_number] => 18/010167 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18010167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/010167
Controlling carbonation Jun 13, 2021 Issued
Array ( [id] => 17111578 [patent_doc_number] => 20210292175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => ALUMINA-MODIFIED COLLOIDAL SILICA PARTICLES, CEMENTITIOUS PRODUCTS CONTAINING SAME, AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/340887 [patent_app_country] => US [patent_app_date] => 2021-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17340887 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/340887
Alumina-modified colloidal silica particles, cementitious products containing same, and methods of use thereof Jun 6, 2021 Issued
Array ( [id] => 17170195 [patent_doc_number] => 20210323865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => SiOC Ceramic And Plastic Additives For Cements, Concretes And Structural Decorative Materials [patent_app_type] => utility [patent_app_number] => 17/328774 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17281 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17328774 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/328774
SiOC Ceramic And Plastic Additives For Cements, Concretes And Structural Decorative Materials May 23, 2021 Abandoned
Array ( [id] => 19969582 [patent_doc_number] => 12338173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Method of manufacturing environmentally friendly interior and exterior building materials using agricultural waste of lignocellulose-containing herbaceous plant and mineral binder and environmentally friendly interior and exterior building materials manufactured by the same [patent_app_type] => utility [patent_app_number] => 18/007751 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1199 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007751 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007751
Method of manufacturing environmentally friendly interior and exterior building materials using agricultural waste of lignocellulose-containing herbaceous plant and mineral binder and environmentally friendly interior and exterior building materials manufactured by the same May 23, 2021 Issued
Array ( [id] => 20108134 [patent_doc_number] => 12358840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Methods for processing incinerator bottom ash [patent_app_type] => utility [patent_app_number] => 17/998905 [patent_app_country] => US [patent_app_date] => 2021-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17998905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/998905
Methods for processing incinerator bottom ash May 13, 2021 Issued
Array ( [id] => 18497241 [patent_doc_number] => 20230219848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => MULTI-COMPONENT INORGANIC CAPSULE ANCHORING SYSTEM BASED ON GROUND-GRANULATED BLAST-FURNACE SLAG [patent_app_type] => utility [patent_app_number] => 17/998254 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17998254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/998254
Multi-component inorganic capsule anchoring system based on ground-granulated blast-furnace slag May 5, 2021 Issued
Array ( [id] => 18391183 [patent_doc_number] => 20230159401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => CERAMIC CEMENT MIXTURE AND CERAMIC HONEYCOMB WITH CERAMIC CEMENT SKIN [patent_app_type] => utility [patent_app_number] => 17/919338 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17919338 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/919338
Ceramic cement mixture and ceramic honeycomb with ceramic cement skin Apr 26, 2021 Issued
Array ( [id] => 17199924 [patent_doc_number] => 20210340019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => ARTIFICIAL NACRE MATERIAL WITH LAYERED STRUCTURE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/241339 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17241339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/241339
Artificial nacre material with layered structure and preparation method thereof Apr 26, 2021 Issued
Array ( [id] => 18391923 [patent_doc_number] => 20230160141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => EXTRACTION OF DELIGNIFIED, CELLULOSE-BASED FIBERS FROM NATURAL PLANT MATERIAL, AND MATERIALS INCORPORATING SUCH FIBERS [patent_app_type] => utility [patent_app_number] => 17/919125 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17919125 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/919125
Extraction of delignified, cellulose-based fibers from natural plant material, and materials incorporating such fibers Apr 20, 2021 Issued
Array ( [id] => 17945627 [patent_doc_number] => 20220332644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => LIGNOSULFONATE AND HYDROLYZED CARBOHYDRATE RETARDER ADDITIVE FOR CEMENT MIXTURE [patent_app_type] => utility [patent_app_number] => 17/231569 [patent_app_country] => US [patent_app_date] => 2021-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6787 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17231569 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/231569
Lignosulfonate and hydrolyzed carbohydrate retarder additive for cement mixture Apr 14, 2021 Issued
Array ( [id] => 18391539 [patent_doc_number] => 20230159757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => DIRT-REPELLING CLEANING COMPOSITIONS AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/915818 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17915818 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/915818
Dirt-repelling cleaning compositions and methods of use thereof Mar 31, 2021 Issued
Array ( [id] => 17369767 [patent_doc_number] => 20220024819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => MIXED LANDFILL AND POND COAL COMBUSTION BYPRODUCTS (CCBS) AND RELATED TECHNIQUES [patent_app_type] => utility [patent_app_number] => 17/218693 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17218693 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/218693
Mixed landfill and pond coal combustion byproducts (CCBs) and related techniques Mar 30, 2021 Issued
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