Search

Michael D. Mcduffie

Examiner (ID: 3447, Phone: (571)272-3832 , Office: P/3632 )

Most Active Art Unit
3632
Art Unit(s)
3632
Total Applications
1138
Issued Applications
739
Pending Applications
54
Abandoned Applications
352

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20336022 [patent_doc_number] => 20250340142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => POWER SUPPLY DEVICE, STORAGE MEDIUM, AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 19/272042 [patent_app_country] => US [patent_app_date] => 2025-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19272042 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/272042
POWER SUPPLY DEVICE, STORAGE MEDIUM, AND CONTROL METHOD Jul 16, 2025 Pending
Array ( [id] => 20410339 [patent_doc_number] => 20250379448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => POWER OPTIMIZATION AMONG MULTIPLE STRINGS OF SOLAR PANELS [patent_app_type] => utility [patent_app_number] => 19/229025 [patent_app_country] => US [patent_app_date] => 2025-06-05 [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] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19229025 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/229025
POWER OPTIMIZATION AMONG MULTIPLE STRINGS OF SOLAR PANELS Jun 4, 2025 Pending
19/135937 AUXILIARY ENERGY SYSTEM, AND METHOD FOR PROVIDING AUXILIARY ENERGY Jun 4, 2025 Pending
Array ( [id] => 20572731 [patent_doc_number] => 20260066660 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => WAKE-UP CIRCUIT OF ELECTRIC VEHICLE CHARGER AND METHOD FOR OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 19/225315 [patent_app_country] => US [patent_app_date] => 2025-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19225315 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/225315
WAKE-UP CIRCUIT OF ELECTRIC VEHICLE CHARGER AND METHOD FOR OPERATING THE SAME Jun 1, 2025 Pending
19/133991 A METHOD TO REACT TO A PHASE CHANGE May 28, 2025 Pending
Array ( [id] => 20363558 [patent_doc_number] => 20250353370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => Electric Power Take-Off System Assembly [patent_app_type] => utility [patent_app_number] => 19/209898 [patent_app_country] => US [patent_app_date] => 2025-05-16 [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] => -18 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19209898 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/209898
Electric Power Take-Off System Assembly May 15, 2025 Pending
Array ( [id] => 20382347 [patent_doc_number] => 20250364840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => MEASURING INSTRUMENT, WIRELESS POWER TRANSFER APPARATUS, AND WIRELESS POWER TRANSFER SYSTEM [patent_app_type] => utility [patent_app_number] => 19/200899 [patent_app_country] => US [patent_app_date] => 2025-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 19200899 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/200899
MEASURING INSTRUMENT, WIRELESS POWER TRANSFER APPARATUS, AND WIRELESS POWER TRANSFER SYSTEM May 6, 2025 Pending
Array ( [id] => 20168217 [patent_doc_number] => 20250260264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => WIRELESS POWER TRANSMISSION APPARATUS AND IMAGING DEVICE COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 19/192300 [patent_app_country] => US [patent_app_date] => 2025-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19192300 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/192300
WIRELESS POWER TRANSMISSION APPARATUS AND IMAGING DEVICE COMPRISING SAME Apr 27, 2025 Pending
Array ( [id] => 20153866 [patent_doc_number] => 20250253704 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS [patent_app_type] => utility [patent_app_number] => 19/185025 [patent_app_country] => US [patent_app_date] => 2025-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 19185025 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/185025
BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS Apr 20, 2025 Pending
Array ( [id] => 20124854 [patent_doc_number] => 20250239885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS [patent_app_type] => utility [patent_app_number] => 19/176935 [patent_app_country] => US [patent_app_date] => 2025-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8181 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19176935 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/176935
BACK-UP GENERATOR AND ASSOCIATED ELECTRIC POWER SYSTEMS Apr 10, 2025 Pending
Array ( [id] => 20423457 [patent_doc_number] => 20250385542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => UNINTERRUPTIBLE RESPIRATORY SYSTEM [patent_app_type] => utility [patent_app_number] => 19/175888 [patent_app_country] => US [patent_app_date] => 2025-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19175888 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/175888
UNINTERRUPTIBLE RESPIRATORY SYSTEM Apr 9, 2025 Pending
Array ( [id] => 20325161 [patent_doc_number] => 20250337249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => MULTI-CONVERTER PARALLEL CONNECTION SYSTEM AND OFF-GRID STARTUP METHOD [patent_app_type] => utility [patent_app_number] => 19/098127 [patent_app_country] => US [patent_app_date] => 2025-04-02 [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] => -12 [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] => 19098127 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/098127
MULTI-CONVERTER PARALLEL CONNECTION SYSTEM AND OFF-GRID STARTUP METHOD Apr 1, 2025 Pending
Array ( [id] => 20284450 [patent_doc_number] => 20250309692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => OVER CURRENT PROTECTION FOR WIRELESS POWER DEVICES [patent_app_type] => utility [patent_app_number] => 19/095266 [patent_app_country] => US [patent_app_date] => 2025-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2364 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19095266 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/095266
OVER CURRENT PROTECTION FOR WIRELESS POWER DEVICES Mar 30, 2025 Pending
Array ( [id] => 20072910 [patent_doc_number] => 20250211132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => Photovoltaic Inverter and Control Method Thereof [patent_app_type] => utility [patent_app_number] => 19/080485 [patent_app_country] => US [patent_app_date] => 2025-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19080485 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/080485
Photovoltaic Inverter and Control Method Thereof Mar 13, 2025 Pending
Array ( [id] => 20072770 [patent_doc_number] => 20250210992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => METHOD FOR MITIGATING LOW FREQUENCY OSCILLATIONS IN A POWER SYSTEM NETWORK [patent_app_type] => utility [patent_app_number] => 19/074519 [patent_app_country] => US [patent_app_date] => 2025-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 19074519 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/074519
METHOD FOR MITIGATING LOW FREQUENCY OSCILLATIONS IN A POWER SYSTEM NETWORK Mar 9, 2025 Pending
Array ( [id] => 20770936 [patent_doc_number] => 12654592 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Battery self-heating system and vehicle [patent_app_type] => utility [patent_app_number] => 19/062972 [patent_app_country] => US [patent_app_date] => 2025-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2681 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19062972 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/062972
Battery self-heating system and vehicle Feb 24, 2025 Issued
Array ( [id] => 20036789 [patent_doc_number] => 20250175011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => VOLTAGE SOURCE INVERTER AND POWER GENERATION SYSTEM [patent_app_type] => utility [patent_app_number] => 19/041063 [patent_app_country] => US [patent_app_date] => 2025-01-30 [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] => -7 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19041063 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/041063
VOLTAGE SOURCE INVERTER AND POWER GENERATION SYSTEM Jan 29, 2025 Pending
Array ( [id] => 20278661 [patent_doc_number] => 20250303903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => Electric Bicycle Self-Recharging System [patent_app_type] => utility [patent_app_number] => 19/040734 [patent_app_country] => US [patent_app_date] => 2025-01-29 [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] => -10 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19040734 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/040734
Electric bicycle self-recharging system Jan 28, 2025 Issued
Array ( [id] => 20009313 [patent_doc_number] => 20250147535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Circuit for Interconnected Direct Current Power Sources [patent_app_type] => utility [patent_app_number] => 19/018269 [patent_app_country] => US [patent_app_date] => 2025-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19018269 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/018269
Circuit for Interconnected Direct Current Power Sources Jan 12, 2025 Pending
Array ( [id] => 20011810 [patent_doc_number] => 20250150032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Pairing of Components in a Direct Current Distributed Power Generation System [patent_app_type] => utility [patent_app_number] => 19/013668 [patent_app_country] => US [patent_app_date] => 2025-01-08 [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] => -23 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19013668 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/013668
Pairing of Components in a Direct Current Distributed Power Generation System Jan 7, 2025 Pending
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