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] => 20469823 [patent_doc_number] => 12525866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Control device and power conversion device [patent_app_type] => utility [patent_app_number] => 18/549662 [patent_app_country] => US [patent_app_date] => 2021-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1093 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18549662 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/549662
Control device and power conversion device Mar 18, 2021 Issued
Array ( [id] => 17887367 [patent_doc_number] => 20220302845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => UNIT LEVEL ISOLATED BUS TRANSFER DEVICE [patent_app_type] => utility [patent_app_number] => 17/205504 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7524 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17205504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/205504
Unit level isolated bus transfer device Mar 17, 2021 Issued
Array ( [id] => 17464471 [patent_doc_number] => 20220077777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => POWER-SUPPLY MODULE AND DC-DC CONVERTER [patent_app_type] => utility [patent_app_number] => 17/199597 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2540 [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] => 17199597 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/199597
Power-supply module and DC-DC converter Mar 11, 2021 Issued
Array ( [id] => 19176854 [patent_doc_number] => 20240162828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHOD FOR OPERATING A CONVERTER, CONVERTER AND COMPUTER PROGRAM PRODUCT [patent_app_type] => utility [patent_app_number] => 18/280115 [patent_app_country] => US [patent_app_date] => 2021-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12125 [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] => 18280115 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280115
Method for operating a converter, converter and computer program product Mar 3, 2021 Issued
Array ( [id] => 18074090 [patent_doc_number] => 11532935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Rapid shutdown device for photovoltaic system and control method thereof and protection system [patent_app_type] => utility [patent_app_number] => 17/189473 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7603 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17189473 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189473
Rapid shutdown device for photovoltaic system and control method thereof and protection system Mar 1, 2021 Issued
Array ( [id] => 17839362 [patent_doc_number] => 20220276667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => SELF-TEST FOR LOW DROPOUT REGULATOR MEASUREMENT [patent_app_type] => utility [patent_app_number] => 17/186755 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17186755 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186755
Self-test for low dropout regulator measurement Feb 25, 2021 Issued
Array ( [id] => 18834397 [patent_doc_number] => 20230402924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CONTROL DEVICE AND POWER STORAGE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/035302 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10385 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18035302 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035302
CONTROL DEVICE AND POWER STORAGE SYSTEM Feb 4, 2021 Abandoned
Array ( [id] => 18385861 [patent_doc_number] => 11656642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Slew rate improvement in multistage differential amplifiers for fast transient response linear regulator applications [patent_app_type] => utility [patent_app_number] => 17/168735 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 8473 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17168735 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/168735
Slew rate improvement in multistage differential amplifiers for fast transient response linear regulator applications Feb 4, 2021 Issued
Array ( [id] => 16855584 [patent_doc_number] => 20210156329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => PRE-REGULATOR FOR AN LDO [patent_app_type] => utility [patent_app_number] => 17/167697 [patent_app_country] => US [patent_app_date] => 2021-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17167697 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/167697
PRE-REGULATOR FOR AN LDO Feb 3, 2021 Pending
Array ( [id] => 20111919 [patent_doc_number] => 12362659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Power conversion device [patent_app_type] => utility [patent_app_number] => 17/760330 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17760330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/760330
Power conversion device Jan 31, 2021 Issued
Array ( [id] => 16851346 [patent_doc_number] => 20210152091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => Resonant Converter Having Multiple Transformers and a Parallel Inductor [patent_app_type] => utility [patent_app_number] => 17/163465 [patent_app_country] => US [patent_app_date] => 2021-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17163465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/163465
Resonant converter having multiple transformers and a parallel inductor Jan 30, 2021 Issued
Array ( [id] => 16851339 [patent_doc_number] => 20210152084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => PROTECTION OF SWITCHED CAPACITOR POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 17/163323 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9872 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17163323 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/163323
Protection of switched capacitor power converter Jan 28, 2021 Issued
Array ( [id] => 16995945 [patent_doc_number] => 20210234365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => SYSTEMS AND METHODS FOR AUXILIARY POWER DROPOUT PROTECTION [patent_app_type] => utility [patent_app_number] => 17/161479 [patent_app_country] => US [patent_app_date] => 2021-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17161479 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/161479
Systems and methods for auxiliary power dropout protection Jan 27, 2021 Issued
Array ( [id] => 18984006 [patent_doc_number] => 11909198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Gate driver implementations for safe wireless power system operation [patent_app_type] => utility [patent_app_number] => 17/161487 [patent_app_country] => US [patent_app_date] => 2021-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 12300 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17161487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/161487
Gate driver implementations for safe wireless power system operation Jan 27, 2021 Issued
Array ( [id] => 17387542 [patent_doc_number] => 20220035394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => REGULATOR [patent_app_type] => utility [patent_app_number] => 17/161360 [patent_app_country] => US [patent_app_date] => 2021-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17161360 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/161360
REGULATOR Jan 27, 2021 Abandoned
Array ( [id] => 16851352 [patent_doc_number] => 20210152097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => CONVERTER AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/157948 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17157948 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/157948
Converter and control method thereof Jan 24, 2021 Issued
Array ( [id] => 17765604 [patent_doc_number] => 20220239218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => LOW GROUND CURRENT AC-DC POWER SUPPLY FOR NO-NEUTRAL ELECTRICAL DEVICES AND FAULT PROTECTION THEREFOR [patent_app_type] => utility [patent_app_number] => 17/156108 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17156108 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/156108
Low ground current AC-DC power supply for no-neutral electrical devices and fault protection therefor Jan 21, 2021 Issued
Array ( [id] => 16982292 [patent_doc_number] => 20210226529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => DETACHABLE BLUETOOTH POWER SUPPLY APPARATUS [patent_app_type] => utility [patent_app_number] => 17/150388 [patent_app_country] => US [patent_app_date] => 2021-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17150388 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/150388
Detachable bluetooth power supply apparatus Jan 14, 2021 Issued
Array ( [id] => 16982316 [patent_doc_number] => 20210226553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => CAPACITOR DISCHARGE [patent_app_type] => utility [patent_app_number] => 17/148246 [patent_app_country] => US [patent_app_date] => 2021-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7125 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17148246 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/148246
Capacitor discharge Jan 12, 2021 Issued
Array ( [id] => 17824180 [patent_doc_number] => 11429128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Voltage pre-regulator having positive and negative feedback [patent_app_type] => utility [patent_app_number] => 17/248119 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5318 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17248119 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248119
Voltage pre-regulator having positive and negative feedback Jan 10, 2021 Issued
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