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David D. Knepper

Examiner (ID: 3808)

Most Active Art Unit
2308
Art Unit(s)
2301, 2899, 2308, 2654, 2626, 2748, 2645, 2311, 2741
Total Applications
818
Issued Applications
529
Pending Applications
74
Abandoned Applications
214

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20336376 [patent_doc_number] => 20250340496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => SOLID PROPELLANT COMPOSITION FOR CURING AZIDE-ALKYNE TRIAZOLE AND METHOD FOR PREPARING SOLID PROPELLANT USING SAME [patent_app_type] => utility [patent_app_number] => 18/676714 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676714
SOLID PROPELLANT COMPOSITION FOR CURING AZIDE-ALKYNE TRIAZOLE AND METHOD FOR PREPARING SOLID PROPELLANT USING SAME May 28, 2024 Pending
Array ( [id] => 19403461 [patent_doc_number] => 20240286972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => THERMOPLASTIC COMPOSITE SOLID PROPELLANT AND PREPARATION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 18/636257 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18636257 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/636257
THERMOPLASTIC COMPOSITE SOLID PROPELLANT AND PREPARATION METHOD THEREFOR Apr 14, 2024 Pending
Array ( [id] => 20164970 [patent_doc_number] => 20250257016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => Hybrid Rocket Engine Fuel Grains with Radial Energy Compositional Variations [patent_app_type] => utility [patent_app_number] => 18/617674 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7330 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18617674 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617674
Hybrid Rocket Engine Fuel Grains with Radial Energy Compositional Variations Mar 26, 2024 Pending
Array ( [id] => 19299830 [patent_doc_number] => 20240228399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => METAL HYDRIDE NANOPARTICLES [patent_app_type] => utility [patent_app_number] => 18/614997 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18614997 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614997
METAL HYDRIDE NANOPARTICLES Mar 24, 2024 Pending
Array ( [id] => 19299831 [patent_doc_number] => 20240228400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => CHEMICAL HEAT SOURCES FOR USE IN DOWN-HOLE OPERATIONS [patent_app_type] => utility [patent_app_number] => 18/602493 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18602493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602493
CHEMICAL HEAT SOURCES FOR USE IN DOWN-HOLE OPERATIONS Mar 11, 2024 Pending
Array ( [id] => 19465277 [patent_doc_number] => 20240318946 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => EXTERNAL HOMOGENIZATION SYSTEMS AND METHODS RELATED THERETO [patent_app_type] => utility [patent_app_number] => 18/597422 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6579 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18597422 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597422
EXTERNAL HOMOGENIZATION SYSTEMS AND METHODS RELATED THERETO Mar 5, 2024 Pending
Array ( [id] => 19479271 [patent_doc_number] => 20240327313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => THROTTLEABLE SOLID PROPELLANT SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/437519 [patent_app_country] => US [patent_app_date] => 2024-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18437519 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/437519
THROTTLEABLE SOLID PROPELLANT SYSTEM AND METHOD Feb 8, 2024 Pending
Array ( [id] => 20121538 [patent_doc_number] => 20250236569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => Lead-free Ballistic Modifier for Rocket Motor Propellants [patent_app_type] => utility [patent_app_number] => 18/416677 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18416677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416677
Lead-free Ballistic Modifier for Rocket Motor Propellants Jan 17, 2024 Pending
Array ( [id] => 20129769 [patent_doc_number] => 12372073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Propellant applied to a thruster and method of manufacturing the same [patent_app_type] => utility [patent_app_number] => 18/407661 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407661 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407661
Propellant applied to a thruster and method of manufacturing the same Jan 8, 2024 Issued
Array ( [id] => 19157549 [patent_doc_number] => 20240150256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => BONDED THERMITE COMPOSITION [patent_app_type] => utility [patent_app_number] => 18/543210 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18543210 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543210
BONDED THERMITE COMPOSITION Dec 17, 2023 Pending
Array ( [id] => 19233597 [patent_doc_number] => 20240190789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => MAGNESIUM VAPOR INDUCED SURFACE DISRUPTION OF METAL PARTICLES [patent_app_type] => utility [patent_app_number] => 18/534467 [patent_app_country] => US [patent_app_date] => 2023-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18534467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/534467
MAGNESIUM VAPOR INDUCED SURFACE DISRUPTION OF METAL PARTICLES Dec 7, 2023 Pending
Array ( [id] => 19233596 [patent_doc_number] => 20240190788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => CHEMICAL INHIBITORS FOR HIGH TEMPERATURE AND REACTIVE GROUND [patent_app_type] => utility [patent_app_number] => 18/532759 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12586 [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] => 18532759 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532759
CHEMICAL INHIBITORS FOR HIGH TEMPERATURE AND REACTIVE GROUND Dec 6, 2023 Pending
Array ( [id] => 19479270 [patent_doc_number] => 20240327312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => AN EXPLOSIVE FORMULATION [patent_app_type] => utility [patent_app_number] => 18/532716 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19268 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18532716 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532716
AN EXPLOSIVE FORMULATION Dec 6, 2023 Pending
Array ( [id] => 19217974 [patent_doc_number] => 20240182678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => PROPELLANT ELEMENT AND METHOD FOR PRODUCING THE PROPELLANT ELEMENT [patent_app_type] => utility [patent_app_number] => 18/522459 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18522459 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/522459
PROPELLANT ELEMENT AND METHOD FOR PRODUCING THE PROPELLANT ELEMENT Nov 28, 2023 Pending
Array ( [id] => 19862162 [patent_doc_number] => 20250100948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => ALLOY COMPOSITION FOR THERMAL FUSE OF SPRINKLER [patent_app_type] => utility [patent_app_number] => 18/472446 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18472446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472446
ALLOY COMPOSITION FOR THERMAL FUSE OF SPRINKLER Sep 21, 2023 Pending
Array ( [id] => 20634350 [patent_doc_number] => 12595217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-07 [patent_title] => Thermite block for stored-data destruction [patent_app_type] => utility [patent_app_number] => 18/367926 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18367926 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367926
THERMITE BLOCK FOR STORED-DATA DESTRUCTION Sep 12, 2023 Issued
Array ( [id] => 18770705 [patent_doc_number] => 20230365476 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => MULTI-PART MIXED ENERGETIC MATERIALS AND EPOXY BINDERS [patent_app_type] => utility [patent_app_number] => 18/224755 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18224755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/224755
MULTI-PART MIXED ENERGETIC MATERIALS AND EPOXY BINDERS Jul 20, 2023 Pending
Array ( [id] => 19043502 [patent_doc_number] => 11932586 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Liquid explosive for in-situ explosive fracturing in low-permeability oilfields and application thereof [patent_app_type] => utility [patent_app_number] => 18/354221 [patent_app_country] => US [patent_app_date] => 2023-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3901 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18354221 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/354221
Liquid explosive for in-situ explosive fracturing in low-permeability oilfields and application thereof Jul 17, 2023 Issued
Array ( [id] => 19112622 [patent_doc_number] => 20240124372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Propellant [patent_app_type] => utility [patent_app_number] => 18/351005 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3817 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18351005 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351005
Propellant Jul 11, 2023 Pending
Array ( [id] => 18878941 [patent_doc_number] => 20240002310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => METHOD AND SYSTEM FOR UNZIPPING POLYMERS FOR ENHANCED ENERGY RELEASE [patent_app_type] => utility [patent_app_number] => 18/343137 [patent_app_country] => US [patent_app_date] => 2023-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18343137 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/343137
METHOD AND SYSTEM FOR UNZIPPING POLYMERS FOR ENHANCED ENERGY RELEASE Jun 27, 2023 Pending
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