Search

David Patrick Angwin

Supervisory Patent Examiner (ID: 10275, Phone: (571)270-3735 , Office: P/3742 )

Most Active Art Unit
3729
Art Unit(s)
4155, 3742, 3754, 3729
Total Applications
558
Issued Applications
367
Pending Applications
23
Abandoned Applications
173

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20093213 [patent_doc_number] => 20250223149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => SELF-CLEANING MULTI-SERVINGS BEVERAGE DISPENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 19/007842 [patent_app_country] => US [patent_app_date] => 2025-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 394 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19007842 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/007842
SELF-CLEANING MULTI-SERVINGS BEVERAGE DISPENSING SYSTEM Jan 1, 2025 Pending
Array ( [id] => 20015772 [patent_doc_number] => 20250153994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => PORTABLE WATER PURIFICATION AND DISPENSING DEVICE [patent_app_type] => utility [patent_app_number] => 18/945699 [patent_app_country] => US [patent_app_date] => 2024-11-13 [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] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18945699 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/945699
PORTABLE WATER PURIFICATION AND DISPENSING DEVICE Nov 12, 2024 Pending
Array ( [id] => 20067499 [patent_doc_number] => 20250205721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => PUMP COSMETIC BOTTLE [patent_app_type] => utility [patent_app_number] => 18/930215 [patent_app_country] => US [patent_app_date] => 2024-10-29 [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] => -7 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18930215 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/930215
PUMP COSMETIC BOTTLE Oct 28, 2024 Pending
Array ( [id] => 20321127 [patent_doc_number] => 20250333215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => Container Cap Valve Dispenser [patent_app_type] => utility [patent_app_number] => 18/909238 [patent_app_country] => US [patent_app_date] => 2024-10-08 [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] => 0 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18909238 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/909238
Container Cap Valve Dispenser Oct 7, 2024 Pending
Array ( [id] => 19876704 [patent_doc_number] => 20250108961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => TAMPER EVIDENT CAP FOR AN AEROSOL CAN [patent_app_type] => utility [patent_app_number] => 18/899968 [patent_app_country] => US [patent_app_date] => 2024-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4946 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18899968 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/899968
TAMPER EVIDENT CAP FOR AN AEROSOL CAN Sep 26, 2024 Pending
Array ( [id] => 20391193 [patent_doc_number] => 20250366668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => PLANT-BASED MILK MIXING MACHINE [patent_app_type] => utility [patent_app_number] => 18/677300 [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] => 1153 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18677300 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/677300
PLANT-BASED MILK MIXING MACHINE May 28, 2024 Pending
Array ( [id] => 20232330 [patent_doc_number] => 20250289649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => Dispensing Mechanism for Cosmetic Product Container [patent_app_type] => utility [patent_app_number] => 18/605065 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18605065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/605065
Dispensing Mechanism for Cosmetic Product Container Mar 13, 2024 Pending
Array ( [id] => 20510447 [patent_doc_number] => 20260034547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => REAGENT DISPENSING APPARATUS WITH DROP DETECTION AND VERIFICATION [patent_app_type] => utility [patent_app_number] => 18/429201 [patent_app_country] => US [patent_app_date] => 2024-01-31 [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] => -8 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18429201 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429201
REAGENT DISPENSING APPARATUS WITH DROP DETECTION AND VERIFICATION Jan 30, 2024 Pending
Array ( [id] => 20136004 [patent_doc_number] => 20250243048 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => PRESENCE-RESPONSIVE REFRIGERATOR APPLIANCE AND FLUID DISPENSER [patent_app_type] => utility [patent_app_number] => 18/427233 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427233 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427233
PRESENCE-RESPONSIVE REFRIGERATOR APPLIANCE AND FLUID DISPENSER Jan 29, 2024 Pending
Array ( [id] => 19692444 [patent_doc_number] => 20250010989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => METHOD AND APPARATUS USED FOR BIOLOGICAL CONTROL OF AGRICULTURAL PESTS [patent_app_type] => utility [patent_app_number] => 18/476721 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18476721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/476721
METHOD AND APPARATUS USED FOR BIOLOGICAL CONTROL OF AGRICULTURAL PESTS Sep 27, 2023 Pending
Array ( [id] => 18877187 [patent_doc_number] => 20240000556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => SYSTEM FOR DENTURE CLEANING AND DRUG INJECTION INTO A PATIENT'S MOUTH [patent_app_type] => utility [patent_app_number] => 18/468721 [patent_app_country] => US [patent_app_date] => 2023-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468721
SYSTEM FOR DENTURE CLEANING AND DRUG INJECTION INTO A PATIENT'S MOUTH Sep 16, 2023 Abandoned
Array ( [id] => 20505748 [patent_doc_number] => 12540015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Liquid product dispenser with tamper resistant overcap [patent_app_type] => utility [patent_app_number] => 18/464740 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464740 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464740
Liquid product dispenser with tamper resistant overcap Sep 10, 2023 Issued
Array ( [id] => 20240711 [patent_doc_number] => 12421018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Manually rechargeable and reusable aerosol can and method [patent_app_type] => utility [patent_app_number] => 18/244035 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18244035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244035
Manually rechargeable and reusable aerosol can and method Sep 7, 2023 Issued
Array ( [id] => 19691773 [patent_doc_number] => 20250010318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => PUMP TOP, CANISTER CLOSURE, AND LIQUID LEVEL MONITORING APPARATUS FOR LIQUID DISPENSERS [patent_app_type] => utility [patent_app_number] => 18/219582 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18219582 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219582
PUMP TOP, CANISTER CLOSURE, AND LIQUID LEVEL MONITORING APPARATUS FOR LIQUID DISPENSERS Jul 6, 2023 Abandoned
Array ( [id] => 18708112 [patent_doc_number] => 20230330697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => CAULK TUBES [patent_app_type] => utility [patent_app_number] => 18/323405 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323405 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323405
CAULK TUBES May 24, 2023 Abandoned
Array ( [id] => 20137111 [patent_doc_number] => 20250244155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => METERING DEVICE [patent_app_type] => utility [patent_app_number] => 18/866857 [patent_app_country] => US [patent_app_date] => 2023-05-17 [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] => -14 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18866857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/866857
METERING DEVICE May 16, 2023 Pending
Array ( [id] => 18612914 [patent_doc_number] => 20230279650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Sink Drain Pipe With and Without Overflow Ports [patent_app_type] => utility [patent_app_number] => 18/196625 [patent_app_country] => US [patent_app_date] => 2023-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18196625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/196625
Sink Drain Pipe With and Without Overflow Ports May 11, 2023 Abandoned
Array ( [id] => 18726484 [patent_doc_number] => 20230340765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => FAUCET SYSTEM [patent_app_type] => utility [patent_app_number] => 18/138401 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 483 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18138401 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138401
FAUCET SYSTEM Apr 23, 2023 Pending
Array ( [id] => 20150264 [patent_doc_number] => 20250250102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => PRESSURE CONTROL DEVICE FOR PRESSURIZED FLUID CONTAINER AND PRESSURIZED FLUID CONTAINER PROVIDED WITH SUCH A PRESSURE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 18/854678 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18854678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/854678
PRESSURE CONTROL DEVICE FOR PRESSURIZED FLUID CONTAINER AND PRESSURIZED FLUID CONTAINER PROVIDED WITH SUCH A PRESSURE CONTROL DEVICE Apr 4, 2023 Pending
Array ( [id] => 20023752 [patent_doc_number] => 20250161974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => CARTRIDGE ASSEMBLY FOR INSERTION INTO A DISPENSER AND DISPENSER FOR DISPENSING MATERIALS [patent_app_type] => utility [patent_app_number] => 18/841613 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18841613 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/841613
CARTRIDGE ASSEMBLY FOR INSERTION INTO A DISPENSER AND DISPENSER FOR DISPENSING MATERIALS Feb 22, 2023 Pending
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