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] => 20354393 [patent_doc_number] => 20250351245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => NON-POLAR LIGHT-EMITTING DIODE CONTROL CHIP [patent_app_type] => utility [patent_app_number] => 18/678316 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1135 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678316
Non-polar light-emitting diode control chip May 29, 2024 Issued
Array ( [id] => 20383337 [patent_doc_number] => 20250365830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => TRANSFORMER-BASED LIGHT-SOURCE DRIVING SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/671561 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18671561 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/671561
TRANSFORMER-BASED LIGHT-SOURCE DRIVING SYSTEMS May 21, 2024 Pending
Array ( [id] => 19435928 [patent_doc_number] => 20240304426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => RADIO FREQUENCY SCREEN FOR AN ULTRAVIOLET LAMP SYSTEM [patent_app_type] => utility [patent_app_number] => 18/667944 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18667944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667944
Radio frequency screen for an ultraviolet lamp system May 16, 2024 Issued
Array ( [id] => 20237334 [patent_doc_number] => 20250294653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => ELECTRODELESS DICHROMATIC FLICKERING BULB AND LIGHT-EMITTING-DIODE LIGHT STRING [patent_app_type] => utility [patent_app_number] => 18/659040 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659040 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659040
ELECTRODELESS DICHROMATIC FLICKERING BULB AND LIGHT-EMITTING-DIODE LIGHT STRING May 8, 2024 Abandoned
Array ( [id] => 19407068 [patent_doc_number] => 20240290579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => SYSTEMS AND METHODS FOR COMPENSATING FOR RF POWER LOSS [patent_app_type] => utility [patent_app_number] => 18/658329 [patent_app_country] => US [patent_app_date] => 2024-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18658329 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/658329
SYSTEMS AND METHODS FOR COMPENSATING FOR RF POWER LOSS May 7, 2024 Issued
Array ( [id] => 20336046 [patent_doc_number] => 20250340166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => VARIABLE INTENSITY BRAKE LIGHT SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/654476 [patent_app_country] => US [patent_app_date] => 2024-05-03 [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] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18654476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/654476
VARIABLE INTENSITY BRAKE LIGHT SYSTEMS AND METHODS May 2, 2024 Abandoned
Array ( [id] => 19837357 [patent_doc_number] => 20250089143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => ADAPTIVE ILLUMINATION CONTROL VIA ACTIVITY CLASSIFICATION [patent_app_type] => utility [patent_app_number] => 18/647461 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10218 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18647461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647461
Adaptive illumination control via activity classification Apr 25, 2024 Issued
Array ( [id] => 19364113 [patent_doc_number] => 20240266147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => SUBSTRATE PROCESSING SYSTEM INCLUDING DUAL ION FILTER FOR DOWNSTREAM PLASMA [patent_app_type] => utility [patent_app_number] => 18/640505 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18640505 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/640505
Substrate processing system including dual ion filter for downstream plasma Apr 18, 2024 Issued
Array ( [id] => 19548412 [patent_doc_number] => 20240365448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => DRIVING DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/633423 [patent_app_country] => US [patent_app_date] => 2024-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7731 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18633423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/633423
Driving device and electronic device Apr 10, 2024 Issued
Array ( [id] => 19612049 [patent_doc_number] => 12160943 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-03 [patent_title] => System and method of vehicle headlamp control [patent_app_type] => utility [patent_app_number] => 18/632266 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2431 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18632266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/632266
System and method of vehicle headlamp control Apr 9, 2024 Issued
Array ( [id] => 20264864 [patent_doc_number] => 12435847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Devices and systems having LED circuits and methods of driving the same [patent_app_type] => utility [patent_app_number] => 18/629212 [patent_app_country] => US [patent_app_date] => 2024-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 24 [patent_no_of_words] => 2473 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18629212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/629212
Devices and systems having LED circuits and methods of driving the same Apr 7, 2024 Issued
Array ( [id] => 20292787 [patent_doc_number] => 20250318030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => APPARATUSES, SYSTEMS, AND METHODS FOR CONTROLLING ELECTRICAL POWER FOR LIGHTING LOADS [patent_app_type] => utility [patent_app_number] => 18/628491 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18628491 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/628491
APPARATUSES, SYSTEMS, AND METHODS FOR CONTROLLING ELECTRICAL POWER FOR LIGHTING LOADS Apr 4, 2024 Pending
Array ( [id] => 20230301 [patent_doc_number] => 12418966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Constant-current control circuit and method for constant-current control [patent_app_type] => utility [patent_app_number] => 18/624919 [patent_app_country] => US [patent_app_date] => 2024-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18624919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/624919
Constant-current control circuit and method for constant-current control Apr 1, 2024 Issued
Array ( [id] => 19641622 [patent_doc_number] => 20240416142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => SWITCHABLE BIOACTIVE LIGHTING [patent_app_type] => utility [patent_app_number] => 18/617143 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18617143 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617143
SWITCHABLE BIOACTIVE LIGHTING Mar 25, 2024 Pending
Array ( [id] => 20004474 [patent_doc_number] => 20250142696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => CONTROL CIRCUIT FOR DRIVING DIFFERENT COLOR TEMPERATURE LED LIGHTS WITH AC INPUT VOLTAGE [patent_app_type] => utility [patent_app_number] => 18/609110 [patent_app_country] => US [patent_app_date] => 2024-03-19 [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] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18609110 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/609110
Control circuit for driving different color temperature LED lights with AC input voltage Mar 18, 2024 Issued
Array ( [id] => 19454770 [patent_doc_number] => 20240314900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => LIGHTING CONTROL CIRCUIT, LIGHTING CONTROL METHOD, AND LIGHTING CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/590802 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18590802 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/590802
Lighting control circuit, lighting control method, and lighting circuit Feb 27, 2024 Issued
Array ( [id] => 20705526 [patent_doc_number] => 12628252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Switching power supply with constant current output and a method for controlling constant current of a switching power supply [patent_app_type] => utility [patent_app_number] => 18/588243 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [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] => 18588243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588243
Switching power supply with constant current output and a method for controlling constant current of a switching power supply Feb 26, 2024 Issued
Array ( [id] => 20332716 [patent_doc_number] => 12463000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices [patent_app_type] => utility [patent_app_number] => 18/588895 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 1030 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588895
Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices Feb 26, 2024 Issued
Array ( [id] => 20705525 [patent_doc_number] => 12628251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Lamp system for vehicle [patent_app_type] => utility [patent_app_number] => 18/587436 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/587436
Lamp system for vehicle Feb 25, 2024 Issued
Array ( [id] => 19512998 [patent_doc_number] => 20240344684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => DIGITAL LAMPSHADE SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/443921 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9380 [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] => 18443921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443921
Digital lampshade system and method Feb 15, 2024 Issued
Menu