Search

David Patrick Angwin

Supervisory Patent Examiner (ID: 12842, Phone: (571)270-3735 , Office: P/3742 )

Most Active Art Unit
3729
Art Unit(s)
3729, 3754, 3742, 4155
Total Applications
553
Issued Applications
367
Pending Applications
19
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20583487 [patent_doc_number] => 20260069077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => Hybrid Coffee Machine with Automatic and Manual Modes [patent_app_type] => utility [patent_app_number] => 19/280752 [patent_app_country] => US [patent_app_date] => 2025-07-25 [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] => -19 [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] => 19280752 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/280752
Hybrid Coffee Machine with Automatic and Manual Modes Jul 24, 2025 Pending
Array ( [id] => 20097884 [patent_doc_number] => 20250227820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => COOKTOP LIGHTING SYSTEM [patent_app_type] => utility [patent_app_number] => 19/092877 [patent_app_country] => US [patent_app_date] => 2025-03-27 [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] => -19 [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] => 19092877 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/092877
COOKTOP LIGHTING SYSTEM Mar 26, 2025 Pending
Array ( [id] => 20083130 [patent_doc_number] => 20250213066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => MODULAR FOOD WARMING PAD [patent_app_type] => utility [patent_app_number] => 19/084792 [patent_app_country] => US [patent_app_date] => 2025-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3572 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19084792 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/084792
Modular food warming pad Mar 19, 2025 Issued
Array ( [id] => 20650006 [patent_doc_number] => 20260102015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-16 [patent_title] => FOLDABLE FOOD WARMING PAD [patent_app_type] => utility [patent_app_number] => 19/033510 [patent_app_country] => US [patent_app_date] => 2025-01-22 [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] => -18 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19033510 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/033510
FOLDABLE FOOD WARMING PAD Jan 21, 2025 Abandoned
Array ( [id] => 20084232 [patent_doc_number] => 20250214168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => System and Method for Wire-Arc Additive Manufacturing Without Shielding Gas for Improved Infill Deposition Rate and Production Accuracy [patent_app_type] => utility [patent_app_number] => 18/962285 [patent_app_country] => US [patent_app_date] => 2024-11-27 [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] => -11 [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] => 18962285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/962285
System and Method for Wire-Arc Additive Manufacturing Without Shielding Gas for Improved Infill Deposition Rate and Production Accuracy Nov 26, 2024 Pending
Array ( [id] => 19980195 [patent_doc_number] => 12347682 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Using cumulative heat amount data to qualify hot plate used for post-exposure baking [patent_app_type] => utility [patent_app_number] => 18/771784 [patent_app_country] => US [patent_app_date] => 2024-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 4894 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18771784 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/771784
Using cumulative heat amount data to qualify hot plate used for post-exposure baking Jul 11, 2024 Issued
Array ( [id] => 19509840 [patent_doc_number] => 20240341526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => MODULAR, PORTABLE, BATTERY-POWERED COOKTOP [patent_app_type] => utility [patent_app_number] => 18/755650 [patent_app_country] => US [patent_app_date] => 2024-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4619 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18755650 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/755650
MODULAR, PORTABLE, BATTERY-POWERED COOKTOP Jun 25, 2024 Abandoned
Array ( [id] => 19454765 [patent_doc_number] => 20240314895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => INDUCTION HEATING TYPE COOKTOP FOR HEATING VARIOUS OBJECTS [patent_app_type] => utility [patent_app_number] => 18/672304 [patent_app_country] => US [patent_app_date] => 2024-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11465 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18672304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/672304
INDUCTION HEATING TYPE COOKTOP FOR HEATING VARIOUS OBJECTS May 22, 2024 Pending
Array ( [id] => 19437763 [patent_doc_number] => 20240306261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => PORTABLE ELECTRIC HEATING MAT FOR USE BY AN ANIMAL [patent_app_type] => utility [patent_app_number] => 18/668670 [patent_app_country] => US [patent_app_date] => 2024-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18668670 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/668670
PORTABLE ELECTRIC HEATING MAT FOR USE BY AN ANIMAL May 19, 2024 Abandoned
Array ( [id] => 19422262 [patent_doc_number] => 20240298386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => INDUCTION HEAT COOKING APPARATUS AND METHOD FOR OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 18/664473 [patent_app_country] => US [patent_app_date] => 2024-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18664473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664473
INDUCTION HEAT COOKING APPARATUS AND METHOD FOR OPERATING THE SAME May 14, 2024 Pending
Array ( [id] => 19584475 [patent_doc_number] => 20240382032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => COLD BREW COFFEE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/648738 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648738 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648738
COLD BREW COFFEE APPARATUS Apr 28, 2024 Pending
Array ( [id] => 19517057 [patent_doc_number] => 20240348743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => ELECTRONIC COOKING ASSISTANT [patent_app_type] => utility [patent_app_number] => 18/427814 [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] => 29693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18427814 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427814
ELECTRONIC COOKING ASSISTANT Jan 29, 2024 Pending
Array ( [id] => 19187510 [patent_doc_number] => 20240166423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => TRANSPORTABLE TEMPERATURE CONTROL MODULE SYSTEM FOR FOOD, BEVERAGE, PHARMACEUTICALS AND MEDICAL [patent_app_type] => utility [patent_app_number] => 18/426188 [patent_app_country] => US [patent_app_date] => 2024-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18426188 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/426188
Transportable temperature control module system for food, beverage, pharmaceuticals and medical Jan 28, 2024 Issued
Array ( [id] => 19102638 [patent_doc_number] => 20240121866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => INDUCTION HEATING TYPE COOKTOP [patent_app_type] => utility [patent_app_number] => 18/542069 [patent_app_country] => US [patent_app_date] => 2023-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18542069 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/542069
INDUCTION HEATING TYPE COOKTOP Dec 14, 2023 Pending
Array ( [id] => 19066201 [patent_doc_number] => 20240100627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SHAPING APPARATUS AND SHAPING METHOD [patent_app_type] => utility [patent_app_number] => 18/527642 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527642 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527642
SHAPING APPARATUS AND SHAPING METHOD Dec 3, 2023 Pending
Array ( [id] => 19068237 [patent_doc_number] => 20240102663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => COOKING SYSTEM TEMPERATURE MANAGEMENT [patent_app_type] => utility [patent_app_number] => 18/525365 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6451 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18525365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/525365
COOKING SYSTEM TEMPERATURE MANAGEMENT Nov 29, 2023 Pending
Array ( [id] => 19903456 [patent_doc_number] => 12280444 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Simultaneous pattern-scan placement during sample processing [patent_app_type] => utility [patent_app_number] => 18/525021 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18525021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/525021
Simultaneous pattern-scan placement during sample processing Nov 29, 2023 Issued
Array ( [id] => 19102637 [patent_doc_number] => 20240121865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => TEMPERATURE-REGULATING APPLIANCE WITH REMOVABLE BASE [patent_app_type] => utility [patent_app_number] => 18/511030 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5813 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18511030 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/511030
TEMPERATURE-REGULATING APPLIANCE WITH REMOVABLE BASE Nov 15, 2023 Pending
Array ( [id] => 19024776 [patent_doc_number] => 20240080947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => INDUCTION HEATING TYPE COOKTOP HAVING IMPROVED USABILITY [patent_app_type] => utility [patent_app_number] => 18/507744 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6915 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507744 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507744
INDUCTION HEATING TYPE COOKTOP HAVING IMPROVED USABILITY Nov 12, 2023 Abandoned
Array ( [id] => 18992908 [patent_doc_number] => 20240064877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => INDUCTION HEATING TYPE COOKTOP [patent_app_type] => utility [patent_app_number] => 18/500805 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18500805 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500805
INDUCTION HEATING TYPE COOKTOP Nov 1, 2023 Pending
Menu