Search

Cynthia R. Underwood

Examiner (ID: 16894, Phone: (571)272-7652 , Office: P/2918 )

Most Active Art Unit
2918
Art Unit(s)
2915, 2918, 2924
Total Applications
5157
Issued Applications
5107
Pending Applications
8
Abandoned Applications
49

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17803718 [patent_doc_number] => 11418034 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-16 [patent_title] => Zero-sequence current balancer with a real power injector for a three-phase power system [patent_app_type] => utility [patent_app_number] => 17/668663 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 5246 [patent_no_of_claims] => 3 [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] => 17668663 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/668663
Zero-sequence current balancer with a real power injector for a three-phase power system Feb 9, 2022 Issued
Array ( [id] => 19101604 [patent_doc_number] => 20240120832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => POWER FACTOR CORRECTION DEVICE AND APPARATUS FOR CONVERTING A THREE-PHASE ALTERNATING CURRENT INTO A DIRECT CURRENT [patent_app_type] => utility [patent_app_number] => 18/263844 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18263844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263844
POWER FACTOR CORRECTION DEVICE AND APPARATUS FOR CONVERTING A THREE-PHASE ALTERNATING CURRENT INTO A DIRECT CURRENT Jan 30, 2022 Pending
Array ( [id] => 18705207 [patent_doc_number] => 11791728 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Regulator circuit, corresponding system and method [patent_app_type] => utility [patent_app_number] => 17/588065 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 6040 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17588065 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/588065
Regulator circuit, corresponding system and method Jan 27, 2022 Issued
Array ( [id] => 17915318 [patent_doc_number] => 20220317714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => SHUNT REGULATOR [patent_app_type] => utility [patent_app_number] => 17/584314 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17584314 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584314
Shunt regulator Jan 24, 2022 Issued
Array ( [id] => 18640046 [patent_doc_number] => 11764678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Constant on time converter control circuit and constant on time converter [patent_app_type] => utility [patent_app_number] => 17/580663 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4206 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580663 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580663
Constant on time converter control circuit and constant on time converter Jan 20, 2022 Issued
Array ( [id] => 18872853 [patent_doc_number] => 11860659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Low drop-out (LDO) linear regulator [patent_app_type] => utility [patent_app_number] => 17/562277 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 5317 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562277 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562277
Low drop-out (LDO) linear regulator Dec 26, 2021 Issued
Array ( [id] => 18457006 [patent_doc_number] => 20230198288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => ELECTRICAL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/554551 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17554551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/554551
Electrical assembly Dec 16, 2021 Issued
Array ( [id] => 17661499 [patent_doc_number] => 20220181964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => POWER CONVERSION CIRCUIT, METHOD FOR CONTROLLING POWER CONVERSION CIRCUIT, AND TRANSFORMER [patent_app_type] => utility [patent_app_number] => 17/544690 [patent_app_country] => US [patent_app_date] => 2021-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17544690 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/544690
Power conversion circuit, method for controlling power conversion circuit, and transformer Dec 6, 2021 Issued
Array ( [id] => 18424654 [patent_doc_number] => 20230179119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => Voltage Rate-of-Change Control for Wide-Bandgap-Based Inverter Circuits for Driving Electric Motors [patent_app_type] => utility [patent_app_number] => 17/541784 [patent_app_country] => US [patent_app_date] => 2021-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17541784 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/541784
Voltage rate-of-change control for wide-bandgap-based inverter circuits for driving electric motors Dec 2, 2021 Issued
Array ( [id] => 18591750 [patent_doc_number] => 11740644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Low drop-out regulators and power management integrated circuits including the same [patent_app_type] => utility [patent_app_number] => 17/541157 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 25 [patent_no_of_words] => 12107 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17541157 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/541157
Low drop-out regulators and power management integrated circuits including the same Dec 1, 2021 Issued
Array ( [id] => 18688819 [patent_doc_number] => 11784569 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => Efficient hybrid buck-boost converter [patent_app_type] => utility [patent_app_number] => 17/540337 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6839 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17540337 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/540337
Efficient hybrid buck-boost converter Dec 1, 2021 Issued
Array ( [id] => 18409445 [patent_doc_number] => 20230170798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => SELECTIVE STOPBAND AVOIDANCE IN SWITCHING CONVERTER CONTROLLER [patent_app_type] => utility [patent_app_number] => 17/537802 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17537802 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/537802
Selective stopband avoidance in switching converter controller Nov 29, 2021 Issued
Array ( [id] => 18409446 [patent_doc_number] => 20230170799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => Apparatus, Method And System For Pulse Pairing In A Multi-Ouput DC-DC Converter [patent_app_type] => utility [patent_app_number] => 17/537815 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17537815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/537815
Apparatus, method and system for pulse pairing in a multi-output DC-DC converter Nov 29, 2021 Issued
Array ( [id] => 18402580 [patent_doc_number] => 11664733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Control method of a flyback power converter [patent_app_type] => utility [patent_app_number] => 17/537522 [patent_app_country] => US [patent_app_date] => 2021-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3415 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17537522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/537522
Control method of a flyback power converter Nov 29, 2021 Issued
Array ( [id] => 19122258 [patent_doc_number] => 11966240 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Low-dropout voltage regulator (LDO) having overshoot/undershoot capacitor [patent_app_type] => utility [patent_app_number] => 17/517714 [patent_app_country] => US [patent_app_date] => 2021-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3517 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17517714 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/517714
Low-dropout voltage regulator (LDO) having overshoot/undershoot capacitor Nov 2, 2021 Issued
Array ( [id] => 18351797 [patent_doc_number] => 20230139908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => ELECTRONIC TRIP UNIT WITH THERMAL CAPACITY MEASUREMENT AND DISPLAY [patent_app_type] => utility [patent_app_number] => 17/514236 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17514236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/514236
Electronic trip unit with thermal capacity measurement and display Oct 28, 2021 Issued
Array ( [id] => 19014606 [patent_doc_number] => 11921535 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-05 [patent_title] => Bandgap reference circuit [patent_app_type] => utility [patent_app_number] => 17/514433 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3463 [patent_no_of_claims] => 20 [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] => 17514433 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/514433
Bandgap reference circuit Oct 28, 2021 Issued
Array ( [id] => 18913453 [patent_doc_number] => 11876447 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Device and method for controlling converter [patent_app_type] => utility [patent_app_number] => 17/509721 [patent_app_country] => US [patent_app_date] => 2021-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 9130 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17509721 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/509721
Device and method for controlling converter Oct 24, 2021 Issued
Array ( [id] => 17564877 [patent_doc_number] => 20220129026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => TRANSIENT RESPONSE OPERATIONAL AMPLIFIER CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/507967 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507967 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507967
Transient response operational amplifier circuit Oct 21, 2021 Issued
Array ( [id] => 17390159 [patent_doc_number] => 20220038011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => DUAL PATH AND MODE START-UP CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/451378 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5630 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17451378 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/451378
Dual path and mode start-up circuit Oct 18, 2021 Issued
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