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] => 19415170 [patent_doc_number] => 12081014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Fault clearing in midpoint grounded systems [patent_app_type] => utility [patent_app_number] => 17/132521 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 21 [patent_no_of_words] => 4200 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17132521 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/132521
Fault clearing in midpoint grounded systems Dec 22, 2020 Issued
Array ( [id] => 18014825 [patent_doc_number] => 11507121 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Recovery mechanism during an input or output voltage fault condition for a voltage regulator [patent_app_type] => utility [patent_app_number] => 17/128426 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 7406 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17128426 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/128426
Recovery mechanism during an input or output voltage fault condition for a voltage regulator Dec 20, 2020 Issued
Array ( [id] => 16918349 [patent_doc_number] => 20210191441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Constant Voltage Generation Circuit [patent_app_type] => utility [patent_app_number] => 17/128295 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17128295 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/128295
Constant Voltage Generation Circuit Dec 20, 2020 Abandoned
Array ( [id] => 19400122 [patent_doc_number] => 12074516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Class-D power converter [patent_app_type] => utility [patent_app_number] => 17/758404 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 11758 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17758404 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758404
Class-D power converter Dec 16, 2020 Issued
Array ( [id] => 18317884 [patent_doc_number] => 11631972 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Accurate modeling of equipment overexcitation damage curves [patent_app_type] => utility [patent_app_number] => 17/123450 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5278 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17123450 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/123450
Accurate modeling of equipment overexcitation damage curves Dec 15, 2020 Issued
Array ( [id] => 17826305 [patent_doc_number] => 11431264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Electrical converter [patent_app_type] => utility [patent_app_number] => 17/124036 [patent_app_country] => US [patent_app_date] => 2020-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5963 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 17124036 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/124036
Electrical converter Dec 15, 2020 Issued
Array ( [id] => 18193463 [patent_doc_number] => 20230046982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => SWITCHING POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 17/791017 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 413 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17791017 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/791017
Switching power supply device Dec 10, 2020 Issued
Array ( [id] => 18919477 [patent_doc_number] => 11881773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Systems and methods for reducing power consumption of a power supply during a load's sleep mode [patent_app_type] => utility [patent_app_number] => 17/114967 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7047 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17114967 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/114967
Systems and methods for reducing power consumption of a power supply during a load's sleep mode Dec 7, 2020 Issued
Array ( [id] => 18156741 [patent_doc_number] => 11569742 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Power supply control device [patent_app_type] => utility [patent_app_number] => 17/109270 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 9149 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17109270 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109270
Power supply control device Dec 1, 2020 Issued
Array ( [id] => 16716438 [patent_doc_number] => 20210083585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => FLYING CAPACITOR CHARGING METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 17/103250 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17103250 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/103250
Flying capacitor charging method and apparatus Nov 23, 2020 Issued
Array ( [id] => 16859046 [patent_doc_number] => 20210159791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => BIAS GENERATOR [patent_app_type] => utility [patent_app_number] => 17/101386 [patent_app_country] => US [patent_app_date] => 2020-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17101386 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/101386
Bias generator Nov 22, 2020 Issued
Array ( [id] => 18156740 [patent_doc_number] => 11569741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Compensation in a voltage mode switch-mode converter [patent_app_type] => utility [patent_app_number] => 16/950660 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5335 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16950660 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/950660
Compensation in a voltage mode switch-mode converter Nov 16, 2020 Issued
Array ( [id] => 17415584 [patent_doc_number] => 20220050488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => VOLTAGE REFERENCE WITH TEMPERATURE COMPENSATION [patent_app_type] => utility [patent_app_number] => 16/949836 [patent_app_country] => US [patent_app_date] => 2020-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16949836 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/949836
Voltage reference with temperature compensation Nov 16, 2020 Issued
Array ( [id] => 17600158 [patent_doc_number] => 20220149732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => Mixed-Mode Power Converter Control [patent_app_type] => utility [patent_app_number] => 17/096820 [patent_app_country] => US [patent_app_date] => 2020-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5989 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17096820 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/096820
Mixed-mode power converter control Nov 11, 2020 Issued
Array ( [id] => 18462820 [patent_doc_number] => 11687107 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Voltage regulators [patent_app_type] => utility [patent_app_number] => 17/092569 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 11807 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17092569 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/092569
Voltage regulators Nov 8, 2020 Issued
Array ( [id] => 18432084 [patent_doc_number] => 11677320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Circuits and techniques for power regulation [patent_app_type] => utility [patent_app_number] => 17/093375 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 26 [patent_no_of_words] => 14635 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17093375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/093375
Circuits and techniques for power regulation Nov 8, 2020 Issued
Array ( [id] => 16632150 [patent_doc_number] => 20210050804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => SELF-SUSTAINED FRICTIONLESS NEAR PERPETUAL MAGLEV GENERATOR AND METHOD FOR OPERATING [patent_app_type] => utility [patent_app_number] => 17/084386 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6502 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17084386 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/084386
Self-sustained frictionless near perpetual maglev generator and method for operating Oct 28, 2020 Issued
Array ( [id] => 19415285 [patent_doc_number] => 12081129 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-03 [patent_title] => Power control device, DC-DC converter, and AC-DC converter [patent_app_type] => utility [patent_app_number] => 17/799449 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7237 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17799449 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/799449
Power control device, DC-DC converter, and AC-DC converter Oct 28, 2020 Issued
Array ( [id] => 18561212 [patent_doc_number] => 11726455 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Interface arrangement for connecting at least one control device to a plurality of field instruments [patent_app_type] => utility [patent_app_number] => 17/772768 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5391 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772768 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772768
Interface arrangement for connecting at least one control device to a plurality of field instruments Oct 26, 2020 Issued
Array ( [id] => 16889504 [patent_doc_number] => 20210175701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => Total Shielding of electrical installations with automatic cutoff and restart [patent_app_type] => utility [patent_app_number] => 17/076840 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17076840 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/076840
Total Shielding of electrical installations with automatic cutoff and restart Oct 21, 2020 Abandoned
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