Search

Cao H. Nguyen

Examiner (ID: 2145, Phone: (571)272-4053 , Office: P/2171 )

Most Active Art Unit
2171
Art Unit(s)
2171, 2173, 2773, 2787, 2415
Total Applications
1948
Issued Applications
1668
Pending Applications
133
Abandoned Applications
167

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17971883 [patent_doc_number] => 11489438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Inrush current limiting and surge protection circuit and system [patent_app_type] => utility [patent_app_number] => 17/076045 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 3283 [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] => 17076045 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/076045
Inrush current limiting and surge protection circuit and system Oct 20, 2020 Issued
Array ( [id] => 19063524 [patent_doc_number] => 11942785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Power-electronic device comprising a transformer unit and method [patent_app_type] => utility [patent_app_number] => 17/076084 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9051 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17076084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/076084
Power-electronic device comprising a transformer unit and method Oct 20, 2020 Issued
Array ( [id] => 17270907 [patent_doc_number] => 11196343 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => DC-DC converter [patent_app_type] => utility [patent_app_number] => 17/073721 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 36 [patent_no_of_words] => 22818 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [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] => 17073721 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/073721
DC-DC converter Oct 18, 2020 Issued
Array ( [id] => 17559715 [patent_doc_number] => 11316443 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Control of active neutral-point clamped three-level converter [patent_app_type] => utility [patent_app_number] => 17/073455 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 105 [patent_no_of_words] => 24236 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17073455 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/073455
Control of active neutral-point clamped three-level converter Oct 18, 2020 Issued
Array ( [id] => 17628272 [patent_doc_number] => 20220163287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => SHOCK CURRENT GENERATOR FOR ELECTROSHOCK WEAPONS [patent_app_type] => utility [patent_app_number] => 17/599833 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17599833 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/599833
SHOCK CURRENT GENERATOR FOR ELECTROSHOCK WEAPONS Oct 5, 2020 Abandoned
Array ( [id] => 18009480 [patent_doc_number] => 20220368247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => Model predictive pulse pattern control based on small-signal pulse pattern optimization [patent_app_type] => utility [patent_app_number] => 17/764793 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17764793 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/764793
Model predictive pulse pattern control based on small-signal pulse pattern optimization Sep 28, 2020 Issued
Array ( [id] => 17166753 [patent_doc_number] => 11152867 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Systems and methods of synchronous rectification in active clamp flyback power converters [patent_app_type] => utility [patent_app_number] => 16/948417 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8052 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16948417 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/948417
Systems and methods of synchronous rectification in active clamp flyback power converters Sep 16, 2020 Issued
Array ( [id] => 16921251 [patent_doc_number] => 20210194343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => DC POWER SUPPLY WITH ADAPTIVE CONTROLLED PREREGULATOR AND POSTREGULATOR [patent_app_type] => utility [patent_app_number] => 17/024289 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17024289 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/024289
DC power supply with adaptive controlled preregulator and postregulator Sep 16, 2020 Issued
Array ( [id] => 18073590 [patent_doc_number] => 11532428 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Power conversion system and magnetic component thereof [patent_app_type] => utility [patent_app_number] => 17/023119 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 49 [patent_no_of_words] => 24100 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17023119 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/023119
Power conversion system and magnetic component thereof Sep 15, 2020 Issued
Array ( [id] => 16545853 [patent_doc_number] => 20200412268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => POWER SUPPLY CIRCUIT, POWER SUPPLY DEVICE AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/017376 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14289 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017376 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017376
Power supply circuit, power supply device and control method Sep 9, 2020 Issued
Array ( [id] => 16542989 [patent_doc_number] => 20200409404 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => METHOD FOR OPERATING AN ENERGY GENERATING SYSTEM, AND INVERTER FOR AN ENERGY GENERATING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/015254 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17015254 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/015254
Method for operating an energy generating system, and inverter for an energy generating system Sep 8, 2020 Issued
Array ( [id] => 17225218 [patent_doc_number] => 11177732 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-16 [patent_title] => Dynamic resonance control for grid-tied power converters [patent_app_type] => utility [patent_app_number] => 17/013175 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 8017 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17013175 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/013175
Dynamic resonance control for grid-tied power converters Sep 3, 2020 Issued
Array ( [id] => 18324330 [patent_doc_number] => 20230122458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => LOW DROPOUT LINEAR REGULATOR AND CONTROL CIRCUIT THEREOF [patent_app_type] => utility [patent_app_number] => 17/790253 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5819 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17790253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/790253
Low dropout linear regulator and control circuit thereof Sep 3, 2020 Issued
Array ( [id] => 17449209 [patent_doc_number] => 20220069714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => MULTI-PHASE SWITCHED-MODE POWER SUPPLIES [patent_app_type] => utility [patent_app_number] => 17/007862 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6687 [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] => 17007862 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/007862
Multi-phase switched-mode power supplies Aug 30, 2020 Issued
Array ( [id] => 16529312 [patent_doc_number] => 20200403393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => OVERCURRENT PROTECTION CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/007662 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17007662 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/007662
Overcurrent protection circuit Aug 30, 2020 Issued
Array ( [id] => 16510700 [patent_doc_number] => 20200389956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => CONTROL CIRCUIT, DRIVING CIRCUIT AND CONTROL METHOD FOR CONTROLLING A TRANSISTOR [patent_app_type] => utility [patent_app_number] => 17/003031 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17003031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/003031
Control circuit, driving circuit and control method for controlling a transistor Aug 25, 2020 Issued
Array ( [id] => 17289400 [patent_doc_number] => 11205968 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-21 [patent_title] => Matrix converter control device and power conversion system [patent_app_type] => utility [patent_app_number] => 17/000935 [patent_app_country] => US [patent_app_date] => 2020-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 6567 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17000935 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/000935
Matrix converter control device and power conversion system Aug 23, 2020 Issued
Array ( [id] => 17056487 [patent_doc_number] => 20210265921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => MODIFIED MODULATED WAVE ACQUISITION METHOD AND MODEL PREDICTIVE CONTROL METHOD FOR SINGLE-PHASE CASCADED H-BRIDGE RECTIFIER [patent_app_type] => utility [patent_app_number] => 16/996927 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16996927 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/996927
Modified modulated wave acquisition method and model predictive control method for single-phase cascaded H-bridge rectifier Aug 18, 2020 Issued
Array ( [id] => 17855997 [patent_doc_number] => 20220286040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => POWER ELECTRONIC CONVERTER [patent_app_type] => utility [patent_app_number] => 17/635904 [patent_app_country] => US [patent_app_date] => 2020-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17635904 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/635904
POWER ELECTRONIC CONVERTER Aug 13, 2020 Pending
Array ( [id] => 20111939 [patent_doc_number] => 12362679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Power conversion device [patent_app_type] => utility [patent_app_number] => 18/008681 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2334 [patent_no_of_claims] => 18 [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] => 18008681 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/008681
Power conversion device Aug 4, 2020 Issued
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