Search

David Clark

Examiner (ID: 14583)

Most Active Art Unit
2301
Art Unit(s)
2301, 2307, 2317, 2302, 2899
Total Applications
383
Issued Applications
245
Pending Applications
0
Abandoned Applications
138

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20582750 [patent_doc_number] => 12575010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Feedback-controlled switched converter for a LED load [patent_app_type] => utility [patent_app_number] => 18/724081 [patent_app_country] => US [patent_app_date] => 2023-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18724081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/724081
Feedback-controlled switched converter for a LED load Jan 23, 2023 Issued
Array ( [id] => 18516200 [patent_doc_number] => 20230232522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => PULSE ENERGY GENERATOR SYSTEM [patent_app_type] => utility [patent_app_number] => 18/098820 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18098820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/098820
Pulse energy generator system Jan 18, 2023 Issued
Array ( [id] => 20625859 [patent_doc_number] => 12593383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Topology-independent switching regulator circuit, switch mode driver, and luminaire [patent_app_type] => utility [patent_app_number] => 18/726192 [patent_app_country] => US [patent_app_date] => 2023-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18726192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726192
Topology-independent switching regulator circuit, switch mode driver, and luminaire Jan 15, 2023 Issued
Array ( [id] => 19193427 [patent_doc_number] => 20240172340 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => Method of Calibrating Analog Control Voltage of LED Driver [patent_app_type] => utility [patent_app_number] => 18/150639 [patent_app_country] => US [patent_app_date] => 2023-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14193 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18150639 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/150639
Method of Calibrating Analog Control Voltage of LED Driver Jan 4, 2023 Abandoned
Array ( [id] => 20080761 [patent_doc_number] => 12354838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Plasma generating device [patent_app_type] => utility [patent_app_number] => 18/146423 [patent_app_country] => US [patent_app_date] => 2022-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 40 [patent_no_of_words] => 25954 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 390 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18146423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/146423
Plasma generating device Dec 25, 2022 Issued
Array ( [id] => 19488761 [patent_doc_number] => 12108503 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Independent lighting control [patent_app_type] => utility [patent_app_number] => 18/068561 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 7137 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18068561 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/068561
Independent lighting control Dec 19, 2022 Issued
Array ( [id] => 18322686 [patent_doc_number] => 20230120814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => TWO-WIRE DIMMER WITH IMPROVED ZERO-CROSS DETENTION [patent_app_type] => utility [patent_app_number] => 18/068536 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9314 [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] => 18068536 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/068536
Two-wire dimmer with improved zero-cross detention Dec 19, 2022 Issued
Array ( [id] => 19255038 [patent_doc_number] => 20240206035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => DRIVER CIRCUIT AND METHOD FOR OPERATING A LIGHT EMITTING UNIT [patent_app_type] => utility [patent_app_number] => 18/066726 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18066726 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066726
Driver circuit and method for operating a light emitting unit Dec 14, 2022 Issued
Array ( [id] => 18456130 [patent_doc_number] => 20230197411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => IMPEDANCE MATCHING CIRCUIT, POWER SUPPLY APPARATUS, AND PLASMA PROCESSING EQUIPMENT INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 18/080700 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8556 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18080700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/080700
IMPEDANCE MATCHING CIRCUIT, POWER SUPPLY APPARATUS, AND PLASMA PROCESSING EQUIPMENT INCLUDING SAME Dec 12, 2022 Pending
Array ( [id] => 20021554 [patent_doc_number] => 20250159776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => A CONTROL DEVICE FOR OF POWER SHARING BETWEEN AT LEAST TWO LIGHTING DEVICES AND A METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/726894 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1113 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18726894 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726894
A CONTROL DEVICE FOR OF POWER SHARING BETWEEN AT LEAST TWO LIGHTING DEVICES AND A METHOD THEREOF Dec 12, 2022 Pending
Array ( [id] => 20021562 [patent_doc_number] => 20250159784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => WIDE AREA INSTALLATION ENTERTAINMENT APPARATUS AND ENTERTAINMENT SYSTEM USING THE ENTERTAINMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/728703 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18728703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/728703
WIDE AREA INSTALLATION ENTERTAINMENT APPARATUS AND ENTERTAINMENT SYSTEM USING THE ENTERTAINMENT APPARATUS Dec 12, 2022 Pending
Array ( [id] => 19553780 [patent_doc_number] => 12137502 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Linear driving module [patent_app_type] => utility [patent_app_number] => 18/078347 [patent_app_country] => US [patent_app_date] => 2022-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 25 [patent_no_of_words] => 11115 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 18078347 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/078347
Linear driving module Dec 8, 2022 Issued
Array ( [id] => 19401125 [patent_doc_number] => 12075536 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => LED array driver system [patent_app_type] => utility [patent_app_number] => 18/062929 [patent_app_country] => US [patent_app_date] => 2022-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 17 [patent_no_of_words] => 9245 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18062929 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/062929
LED array driver system Dec 6, 2022 Issued
Array ( [id] => 19751446 [patent_doc_number] => 20250040011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => METHOD FOR CONTROLLING THE ILLUMINATION OF AT LEAST ONE LIGHT SOURCE ARRANGED AT AN END OF AT LEAST ONE LIGHT GUIDE [patent_app_type] => utility [patent_app_number] => 18/716316 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18716316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/716316
METHOD FOR CONTROLLING THE ILLUMINATION OF AT LEAST ONE LIGHT SOURCE ARRANGED AT AN END OF AT LEAST ONE LIGHT GUIDE Dec 5, 2022 Pending
Array ( [id] => 19769382 [patent_doc_number] => 20250050808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => LIGHTING CIRCUIT AND VEHICLE LIGHTING TOOL [patent_app_type] => utility [patent_app_number] => 18/718980 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18718980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/718980
LIGHTING CIRCUIT AND VEHICLE LIGHTING TOOL Nov 30, 2022 Abandoned
Array ( [id] => 18410506 [patent_doc_number] => 20230171859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => LIGHTING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/070091 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18070091 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/070091
LIGHTING SYSTEM Nov 27, 2022 Abandoned
Array ( [id] => 19473391 [patent_doc_number] => 12103461 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Trim element comprising commutable backlit areas [patent_app_type] => utility [patent_app_number] => 17/993545 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6421 [patent_no_of_claims] => 10 [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] => 17993545 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993545
Trim element comprising commutable backlit areas Nov 22, 2022 Issued
Array ( [id] => 18270914 [patent_doc_number] => 20230092156 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => GESTURE-BASED CONTROL DEVICE FOR CONTROLLING AN ELECTRICAL LOAD [patent_app_type] => utility [patent_app_number] => 17/993040 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 38998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17993040 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993040
Gesture-based control device for controlling an electrical load Nov 22, 2022 Issued
Array ( [id] => 19721826 [patent_doc_number] => 12207384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Top surface wave antenna of spherical Tokamak [patent_app_type] => utility [patent_app_number] => 18/056741 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2438 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056741 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056741
Top surface wave antenna of spherical Tokamak Nov 17, 2022 Issued
Array ( [id] => 18396670 [patent_doc_number] => 20230164891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => PLANT GROWTH SYSTEM [patent_app_type] => utility [patent_app_number] => 18/056206 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5853 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056206 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/056206
Plant growth system Nov 15, 2022 Issued
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