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] => 18302000 [patent_doc_number] => 11623891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Process for fireproofing materials [patent_app_type] => utility [patent_app_number] => 17/269134 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6937 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17269134 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/269134
Process for fireproofing materials Dec 6, 2020 Issued
Array ( [id] => 17938006 [patent_doc_number] => 11472445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Crack repair material of concrete vacuum tube segment using ultra-high performance concrete (UHPC) for hyper-speed transportation system, and crack repairing method for the same [patent_app_type] => utility [patent_app_number] => 17/110325 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 6525 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17110325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/110325
Crack repair material of concrete vacuum tube segment using ultra-high performance concrete (UHPC) for hyper-speed transportation system, and crack repairing method for the same Dec 2, 2020 Issued
Array ( [id] => 18895072 [patent_doc_number] => 20240010557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => MINERAL BINDER BASED CONSTRUCTION MATERIAL WITH IMPROVED FIRE RESISTANCE BEHAVIOR [patent_app_type] => utility [patent_app_number] => 18/252304 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7460 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18252304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/252304
Mineral binder based construction material with improved fire resistance behavior Nov 22, 2020 Issued
Array ( [id] => 16839292 [patent_doc_number] => 20210147304 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => PRODUCT AND METHOD FOR IMPROVING CEMENT PERFORMANCE [patent_app_type] => utility [patent_app_number] => 17/100756 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12052 [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] => 17100756 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100756
Product and method for improving cement performance Nov 19, 2020 Issued
Array ( [id] => 18071343 [patent_doc_number] => 11530165 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Artificial marble production device and artificial marble produced using same [patent_app_type] => utility [patent_app_number] => 17/100754 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8391 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100754 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100754
Artificial marble production device and artificial marble produced using same Nov 19, 2020 Issued
Array ( [id] => 16672950 [patent_doc_number] => 20210061713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => HIGH-STRENGTH CONCRETE-LIKE FLUOROGYPSUM-BASED BLENDS AND PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 17/096821 [patent_app_country] => US [patent_app_date] => 2020-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8403 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17096821 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/096821
High-strength concrete-like fluorogypsum-based blends and production method Nov 11, 2020 Issued
Array ( [id] => 18077208 [patent_doc_number] => 20220402820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => NOVEL CEMENTITIOUS COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/770824 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17770824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770824
NOVEL CEMENTITIOUS COMPOSITION Nov 3, 2020 Abandoned
Array ( [id] => 17982464 [patent_doc_number] => 20220348500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => ALUMINUM SULFATE SUSPENSIONS WITH REDUCED VISCOSITY [patent_app_type] => utility [patent_app_number] => 17/760526 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17760526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/760526
Aluminum sulfate suspensions with reduced viscosity Nov 1, 2020 Issued
Array ( [id] => 17578625 [patent_doc_number] => 20220135480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => SEAMIX: BASALT AND GRAPHENE INFUSED CONCRETE ADMIXTURE FOR PREPARING CEMENTITIOUS COMPOSITION WITH NON-POTABLE WATER [patent_app_type] => utility [patent_app_number] => 17/083721 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17083721 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/083721
Seamix: basalt and graphene infused concrete admixture for preparing cementitious composition with non-potable water Oct 28, 2020 Issued
Array ( [id] => 17859696 [patent_doc_number] => 11440841 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-13 [patent_title] => Trona accelerated compositions, and methods of utilizing and producing the same [patent_app_type] => utility [patent_app_number] => 17/082280 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10209 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17082280 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/082280
Trona accelerated compositions, and methods of utilizing and producing the same Oct 27, 2020 Issued
Array ( [id] => 19299805 [patent_doc_number] => 20240228374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => METHOD OF PRODUCING CLAY ACTIVATED/CALCINED WITH CALCIUM ALUMINOFERRITE OR CALCIUM FERRITE AND CLAY COMPOSITION OBTAINED BY THE METHOD [patent_app_type] => utility [patent_app_number] => 18/029794 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18029794 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/029794
METHOD OF PRODUCING CLAY ACTIVATED/CALCINED WITH CALCIUM ALUMINOFERRITE OR CALCIUM FERRITE AND CLAY COMPOSITION OBTAINED BY THE METHOD Oct 26, 2020 Abandoned
Array ( [id] => 17570991 [patent_doc_number] => 11319248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Settable compositions comprising remediated coal ash and methods of cementing in subterranean formations [patent_app_type] => utility [patent_app_number] => 17/079093 [patent_app_country] => US [patent_app_date] => 2020-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10126 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17079093 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/079093
Settable compositions comprising remediated coal ash and methods of cementing in subterranean formations Oct 22, 2020 Issued
Array ( [id] => 20594019 [patent_doc_number] => 12577724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Nonfluorinated hydrophobic waterborne treatments and coatings [patent_app_type] => utility [patent_app_number] => 17/770784 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5605 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17770784 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770784
Nonfluorinated hydrophobic waterborne treatments and coatings Oct 21, 2020 Issued
Array ( [id] => 17407073 [patent_doc_number] => 11247942 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-02-15 [patent_title] => Fast-setting flowable fill compositions, and methods of utilizing and producing the same [patent_app_type] => utility [patent_app_number] => 17/076238 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 11928 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17076238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/076238
Fast-setting flowable fill compositions, and methods of utilizing and producing the same Oct 20, 2020 Issued
Array ( [id] => 17696998 [patent_doc_number] => 11370708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Fiber cement material formulations and compositions thereof [patent_app_type] => utility [patent_app_number] => 17/075316 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 14935 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17075316 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/075316
Fiber cement material formulations and compositions thereof Oct 19, 2020 Issued
Array ( [id] => 18216822 [patent_doc_number] => 11591747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Treatment agent for elastic fiber [patent_app_type] => utility [patent_app_number] => 17/770209 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6044 [patent_no_of_claims] => 9 [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] => 17770209 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770209
Treatment agent for elastic fiber Oct 19, 2020 Issued
Array ( [id] => 20186966 [patent_doc_number] => 12398071 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Building materials and methods of manufacturing same [patent_app_type] => utility [patent_app_number] => 17/767716 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 11433 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17767716 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/767716
Building materials and methods of manufacturing same Oct 18, 2020 Issued
Array ( [id] => 17852066 [patent_doc_number] => 20220282108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => NON-LAPPING WATER-BASED WOOD STAINS [patent_app_type] => utility [patent_app_number] => 17/631935 [patent_app_country] => US [patent_app_date] => 2020-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17631935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/631935
Non-lapping water-based wood stains Oct 7, 2020 Issued
Array ( [id] => 16749823 [patent_doc_number] => 20210101832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => GEOPOLYMER CEMENT [patent_app_type] => utility [patent_app_number] => 17/062910 [patent_app_country] => US [patent_app_date] => 2020-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10259 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062910 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062910
Geopolymer cement Oct 4, 2020 Issued
Array ( [id] => 18019550 [patent_doc_number] => 20220371049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => TERNARY HOT-DIP GALVANNEALED STEEL SHEET SURFACE TREATMENT SOLUTION COMPOSITION FOR PROVIDING EXCELLENT BLACKENING RESISTANCE AND ALKALI RESISTANCE, TERNARY HOT-DIP GALVANNEALED STEEL SHEET SURFACE-TREATED USING SAME, AND MANUFACTURING METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/762964 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10500 [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] => 17762964 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762964
Ternary hot-dip galvannealed steel sheet surface treatment solution composition for providing excellent blackening resistance and alkali resistance, ternary hot-dip galvannealed steel sheet surface-treated using same, and manufacturing method therefor Sep 22, 2020 Issued
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