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] => 20668651 [patent_doc_number] => 12610440 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => System and method for dynamic control of 2-stage light driver [patent_app_type] => utility [patent_app_number] => 18/438291 [patent_app_country] => US [patent_app_date] => 2024-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2933 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18438291 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/438291
System and method for dynamic control of 2-stage light driver Feb 8, 2024 Issued
Array ( [id] => 19813916 [patent_doc_number] => 12245345 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-03-04 [patent_title] => System and method for voice-activated lighting control [patent_app_type] => utility [patent_app_number] => 18/436488 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3432 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436488 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/436488
System and method for voice-activated lighting control Feb 7, 2024 Issued
Array ( [id] => 19178018 [patent_doc_number] => 20240163992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => DIM-TO-WARM LIGHTING [patent_app_type] => utility [patent_app_number] => 18/417161 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10101 [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] => 18417161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417161
Dim-to-warm lighting Jan 18, 2024 Issued
Array ( [id] => 19837351 [patent_doc_number] => 20250089137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => DRIVER CIRCUIT FOR ADAPTIVELY SWITCHING LIGHT-EMITTING DIODE CURRENT [patent_app_type] => utility [patent_app_number] => 18/415581 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415581 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415581
Driver circuit for adaptively switching light-emitting diode current Jan 16, 2024 Issued
Array ( [id] => 20540101 [patent_doc_number] => 12557188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Light source driving device, light emitting device, and light source driving method [patent_app_type] => utility [patent_app_number] => 18/414945 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 1192 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [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] => 18414945 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414945
Light source driving device, light emitting device, and light source driving method Jan 16, 2024 Issued
Array ( [id] => 19174370 [patent_doc_number] => 20240160344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => VEHICLE LIGHTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/406675 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18406675 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406675
Vehicle lighting device Jan 7, 2024 Issued
Array ( [id] => 19132686 [patent_doc_number] => 20240138039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => LEVEL SHIFTER, SEMICONDUCTOR DEVICE, SWITCHING POWER SUPPLY, AND LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/400443 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400443 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400443
Level shifter, semiconductor device, switching power supply, and light emitting device Dec 28, 2023 Issued
Array ( [id] => 19132686 [patent_doc_number] => 20240138039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => LEVEL SHIFTER, SEMICONDUCTOR DEVICE, SWITCHING POWER SUPPLY, AND LIGHT EMITTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/400443 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18400443 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/400443
Level shifter, semiconductor device, switching power supply, and light emitting device Dec 28, 2023 Issued
Array ( [id] => 19132687 [patent_doc_number] => 20240138040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => SELF-IDENTIFYING SOLID-STATE TRANSDUCER MODULES AND ASSOCIATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/401227 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18401227 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/401227
Self-identifying solid-state transducer modules and associated systems and methods Dec 28, 2023 Issued
Array ( [id] => 20540105 [patent_doc_number] => 12557192 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Semiconductor device, switching power supply, and lighting device [patent_app_type] => utility [patent_app_number] => 18/397488 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2300 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18397488 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397488
Semiconductor device, switching power supply, and lighting device Dec 26, 2023 Issued
Array ( [id] => 20223437 [patent_doc_number] => 20250286368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => ELECTRICAL WIRING DEVICE WITH WIRING DETECTION AND CORRECTION [patent_app_type] => utility [patent_app_number] => 18/396067 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18396067 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396067
Electrical wiring device with wiring detection and correction Dec 25, 2023 Issued
Array ( [id] => 19124762 [patent_doc_number] => 11968769 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-23 [patent_title] => Dielectric barrier discharging tube having synergistic column of needle electrodes utilizing multi-channels to adsorb catalysts [patent_app_type] => utility [patent_app_number] => 18/391679 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3127 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 453 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18391679 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/391679
Dielectric barrier discharging tube having synergistic column of needle electrodes utilizing multi-channels to adsorb catalysts Dec 20, 2023 Issued
Array ( [id] => 20074078 [patent_doc_number] => 20250212300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => COLOR TEMPERATURE CONTROL LIGHTING FIXTURE [patent_app_type] => utility [patent_app_number] => 18/390375 [patent_app_country] => US [patent_app_date] => 2023-12-20 [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] => -5 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18390375 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/390375
Color temperature control lighting fixture Dec 19, 2023 Issued
Array ( [id] => 20361222 [patent_doc_number] => 12477235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Auto calibration procedure for external lights attached to machine vision system operating on power over Ethernet [patent_app_type] => utility [patent_app_number] => 18/544423 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3500 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18544423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/544423
Auto calibration procedure for external lights attached to machine vision system operating on power over Ethernet Dec 17, 2023 Issued
Array ( [id] => 20734424 [patent_doc_number] => 12641689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Lighting system [patent_app_type] => utility [patent_app_number] => 18/532899 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18532899 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532899
Lighting system Dec 6, 2023 Issued
Array ( [id] => 20372174 [patent_doc_number] => 12479596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Control device, control method, and flight vehicle device [patent_app_type] => utility [patent_app_number] => 18/530575 [patent_app_country] => US [patent_app_date] => 2023-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 13840 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18530575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/530575
Control device, control method, and flight vehicle device Dec 5, 2023 Issued
Array ( [id] => 20582752 [patent_doc_number] => 12575012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Dimming control circuit compatible with emergency lighting and method [patent_app_type] => utility [patent_app_number] => 18/527386 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527386
Dimming control circuit compatible with emergency lighting and method Dec 3, 2023 Issued
Array ( [id] => 20037859 [patent_doc_number] => 20250176081 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => LED CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/523703 [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] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523703
LED control system Nov 28, 2023 Issued
Array ( [id] => 19054628 [patent_doc_number] => 20240096597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => Substrate Processing Apparatus and Method of Manufacturing Semiconductor Device [patent_app_type] => utility [patent_app_number] => 18/519750 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519750 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519750
Substrate processing apparatus and method of manufacturing semiconductor device Nov 26, 2023 Issued
Array ( [id] => 19040280 [patent_doc_number] => 20240090095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => MULTI-CHANNEL LED DRIVER WITH INTEGRATED LEDS HAVING A MULTILAYER STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/510457 [patent_app_country] => US [patent_app_date] => 2023-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18510457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510457
Multi-channel LED driver with integrated LEDs having a multilayer structure Nov 14, 2023 Issued
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