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] => 18785951 [patent_doc_number] => 20230373858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => Concrete Product and Methods of Preparing the Same [patent_app_type] => utility [patent_app_number] => 18/197360 [patent_app_country] => US [patent_app_date] => 2023-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18197360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/197360
Concrete Product and Methods of Preparing the Same May 14, 2023 Abandoned
Array ( [id] => 18980061 [patent_doc_number] => 11905221 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Dispersant for premixed fluidized solidified soil, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 18/316229 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2901 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18316229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/316229
Dispersant for premixed fluidized solidified soil, preparation method and application thereof May 10, 2023 Issued
Array ( [id] => 19977102 [patent_doc_number] => 12344563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Method of manufacturing concrete products including post-hardening treatment [patent_app_type] => utility [patent_app_number] => 18/195987 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7611 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18195987 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195987
Method of manufacturing concrete products including post-hardening treatment May 10, 2023 Issued
Array ( [id] => 19090883 [patent_doc_number] => 11952313 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-09 [patent_title] => Coupled borate/silicate salts-based additives for mortar or concrete [patent_app_type] => utility [patent_app_number] => 18/195928 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3769 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195928 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195928
Coupled borate/silicate salts-based additives for mortar or concrete May 9, 2023 Issued
Array ( [id] => 18808456 [patent_doc_number] => 20230382789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => INTERFACE JOINT MATERIAL BASED ON INDUSTRIAL SOLID WASTE AND ITS PREPARATION [patent_app_type] => utility [patent_app_number] => 18/315396 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315396
Interface joint material based on industrial solid waste and its preparation May 9, 2023 Issued
Array ( [id] => 18830736 [patent_doc_number] => 20230399260 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => Aerogel Enhanced Bio-Based Building Material [patent_app_type] => utility [patent_app_number] => 18/310775 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310775 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310775
Aerogel enhanced bio-based building material May 1, 2023 Issued
Array ( [id] => 19076408 [patent_doc_number] => 11945758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Compositions, methods, and systems related to multi-modal distribution of vaterite particles [patent_app_type] => utility [patent_app_number] => 18/141129 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 31331 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18141129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/141129
Compositions, methods, and systems related to multi-modal distribution of vaterite particles Apr 27, 2023 Issued
Array ( [id] => 18685056 [patent_doc_number] => 11780773 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-10 [patent_title] => Grouting material for modifying mudstone, preparation method and application thereof [patent_app_type] => utility [patent_app_number] => 18/300462 [patent_app_country] => US [patent_app_date] => 2023-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4270 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18300462 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/300462
Grouting material for modifying mudstone, preparation method and application thereof Apr 13, 2023 Issued
Array ( [id] => 19083008 [patent_doc_number] => 20240109809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => PRECISE ION IMPLANTATION TYPE MODIFIED GEOPOLYMER AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/130918 [patent_app_country] => US [patent_app_date] => 2023-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3756 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18130918 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/130918
Precise ion implantation type modified geopolymer and preparation method thereof Apr 4, 2023 Issued
Array ( [id] => 18497238 [patent_doc_number] => 20230219845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => METHOD FOR IMPROVING PERFORMANCE OF CONCRETE AGGREGATES [patent_app_type] => utility [patent_app_number] => 18/122141 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18122141 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122141
Method for improving performance of concrete aggregates Mar 15, 2023 Issued
Array ( [id] => 19448774 [patent_doc_number] => 20240308904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => COMPOSITIONS AND METHODS RELATING TO INCREASED CARBON DIOXIDE UPTAKE IN MIXING AND CURING OF CONCRETE [patent_app_type] => utility [patent_app_number] => 18/184314 [patent_app_country] => US [patent_app_date] => 2023-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184314 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184314
Compositions and methods relating to increased carbon dioxide uptake in mixing and curing of concrete Mar 14, 2023 Issued
Array ( [id] => 20535649 [patent_doc_number] => 12552713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Low-cost, effective phosphate-based lime bucking inhibitor [patent_app_type] => utility [patent_app_number] => 18/121368 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1494 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18121368 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/121368
Low-cost, effective phosphate-based lime bucking inhibitor Mar 13, 2023 Issued
Array ( [id] => 18674913 [patent_doc_number] => 20230312426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => Compositions for Improved Concrete Performance [patent_app_type] => utility [patent_app_number] => 18/114214 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 509 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114214 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114214
Compositions for improved concrete performance Feb 23, 2023 Issued
Array ( [id] => 18910282 [patent_doc_number] => 11873251 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-01-16 [patent_title] => Concrete composition for use in construction and methods of applying the same [patent_app_type] => utility [patent_app_number] => 18/111265 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6156 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18111265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111265
Concrete composition for use in construction and methods of applying the same Feb 16, 2023 Issued
Array ( [id] => 18484762 [patent_doc_number] => 20230212067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => PROCESS FOR THE MANUFACTURE OF AN INSULATING PRODUCT BASED ON MINERAL FIBRES [patent_app_type] => utility [patent_app_number] => 18/171048 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171048 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171048
Process for the manufacture of an insulating product based on mineral fibres Feb 16, 2023 Issued
Array ( [id] => 18692335 [patent_doc_number] => 20230322565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => ANTI-VIBRATION MATERIAL [patent_app_type] => utility [patent_app_number] => 18/167891 [patent_app_country] => US [patent_app_date] => 2023-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18167891 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/167891
Anti-vibration material Feb 12, 2023 Issued
Array ( [id] => 20664723 [patent_doc_number] => 12606485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Nano-titanium dioxide/biochar composite, and preparation method and use thereof [patent_app_type] => utility [patent_app_number] => 18/280777 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18280777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280777
Nano-titanium dioxide/biochar composite, and preparation method and use thereof Feb 8, 2023 Issued
Array ( [id] => 18451267 [patent_doc_number] => 20230192544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => CEMENTITIOUS REAGENTS, METHODS OF MANUFACTURING AND USES THEREOF [patent_app_type] => utility [patent_app_number] => 18/106807 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22975 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18106807 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/106807
Cementitious reagents, methods of manufacturing and uses thereof Feb 6, 2023 Issued
Array ( [id] => 19940151 [patent_doc_number] => 12312272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Low-density high-strength concrete and related methods [patent_app_type] => utility [patent_app_number] => 18/165059 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 22049 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165059
Low-density high-strength concrete and related methods Feb 5, 2023 Issued
Array ( [id] => 18526295 [patent_doc_number] => 11713279 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-01 [patent_title] => Decarbonization of concrete through cement replacement of calcium carbide residue and accelerated carbonation curing [patent_app_type] => utility [patent_app_number] => 18/104602 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 7279 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18104602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/104602
Decarbonization of concrete through cement replacement of calcium carbide residue and accelerated carbonation curing Jan 31, 2023 Issued
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