Search

David S. Luo

Examiner (ID: 15345, Phone: (571)270-5251 , Office: P/2837 )

Most Active Art Unit
2837
Art Unit(s)
4192, 2837, 2846
Total Applications
1935
Issued Applications
1753
Pending Applications
104
Abandoned Applications
118

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19912844 [patent_doc_number] => 12289070 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Electric motor control device [patent_app_type] => utility [patent_app_number] => 18/159398 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4585 [patent_no_of_claims] => 9 [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] => 18159398 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/159398
Electric motor control device Jan 24, 2023 Issued
Array ( [id] => 20029480 [patent_doc_number] => 20250167702 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => DRIVE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/839256 [patent_app_country] => US [patent_app_date] => 2023-01-25 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18839256 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/839256
DRIVE SYSTEM Jan 24, 2023 Pending
Array ( [id] => 19655022 [patent_doc_number] => 12176831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Wireless excitation system, detection method, and electric vehicle [patent_app_type] => utility [patent_app_number] => 18/158038 [patent_app_country] => US [patent_app_date] => 2023-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 9151 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18158038 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/158038
Wireless excitation system, detection method, and electric vehicle Jan 22, 2023 Issued
Array ( [id] => 19893770 [patent_doc_number] => 20250119082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => METHOD, COMPUTER PROGRAM, AND CONTROLLER FOR CONTROLLING AN ELECTRICAL CONVERTER, ELECTRICAL CONVERTER, AND COMPUTER-READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/836403 [patent_app_country] => US [patent_app_date] => 2023-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18836403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/836403
METHOD, COMPUTER PROGRAM, AND CONTROLLER FOR CONTROLLING AN ELECTRICAL CONVERTER, ELECTRICAL CONVERTER, AND COMPUTER-READABLE MEDIUM Jan 22, 2023 Pending
Array ( [id] => 19292024 [patent_doc_number] => 12031373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Door system with improved installation, set-up, and cloning [patent_app_type] => utility [patent_app_number] => 18/093189 [patent_app_country] => US [patent_app_date] => 2023-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 19409 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18093189 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/093189
Door system with improved installation, set-up, and cloning Jan 3, 2023 Issued
Array ( [id] => 19397449 [patent_doc_number] => 12071802 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-27 [patent_title] => Door system with improved installation, set-up, and cloning [patent_app_type] => utility [patent_app_number] => 18/093192 [patent_app_country] => US [patent_app_date] => 2023-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 19410 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18093192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/093192
Door system with improved installation, set-up, and cloning Jan 3, 2023 Issued
Array ( [id] => 19349978 [patent_doc_number] => 20240258942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => CONTROL METHOD, CONTROL APPARATUS AND CONTROL SYSTEM FOR ELETRIC MOTOR, AND COMPUTER-READABLE STORAGE MEDIUM AND AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 18/563974 [patent_app_country] => US [patent_app_date] => 2023-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 13 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18563974 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/563974
Control method, control apparatus and control system for eletric motor, and computer-readable storage medium and air conditioner Jan 2, 2023 Issued
Array ( [id] => 19874157 [patent_doc_number] => 12267033 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => Motor drive system [patent_app_type] => utility [patent_app_number] => 18/088932 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9093 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088932
Motor drive system Dec 26, 2022 Issued
Array ( [id] => 18337438 [patent_doc_number] => 20230129387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => SYSTEMS AND METHODS FOR IDENTIFYING A MAGNETIC MOVER [patent_app_type] => utility [patent_app_number] => 18/145923 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13047 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18145923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/145923
Systems and methods for identifying a magnetic mover Dec 22, 2022 Issued
Array ( [id] => 20096841 [patent_doc_number] => 20250226777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => Current Symmetry Control [patent_app_type] => utility [patent_app_number] => 18/724277 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 18724277 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/724277
Current Symmetry Control Dec 22, 2022 Pending
Array ( [id] => 19253715 [patent_doc_number] => 20240204712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => ZERO SPEED VEHICLE BATTERY HEATING [patent_app_type] => utility [patent_app_number] => 18/084682 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18084682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/084682
Zero speed vehicle battery heating Dec 19, 2022 Issued
Array ( [id] => 19671428 [patent_doc_number] => 12184205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => System for estimating rotor resistance of an induction motor [patent_app_type] => utility [patent_app_number] => 18/085138 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6325 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085138 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085138
System for estimating rotor resistance of an induction motor Dec 19, 2022 Issued
Array ( [id] => 19079905 [patent_doc_number] => 11949289 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Electric motors [patent_app_type] => utility [patent_app_number] => 18/083461 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 91 [patent_figures_cnt] => 143 [patent_no_of_words] => 22277 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18083461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/083461
Electric motors Dec 15, 2022 Issued
Array ( [id] => 19071942 [patent_doc_number] => 20240106368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => SYSTEMS AND METHODS FOR PHASE SWITCH TIMING CONTROLLER FOR INVERTER FOR ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/065721 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18065721 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/065721
Systems and methods for phase switch timing controller for inverter for electric vehicle Dec 13, 2022 Issued
Array ( [id] => 19235473 [patent_doc_number] => 20240192667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Dynamic Command Notch Filter [patent_app_type] => utility [patent_app_number] => 18/079282 [patent_app_country] => US [patent_app_date] => 2022-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9044 [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] => 18079282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/079282
Dynamic command notch filter Dec 11, 2022 Issued
Array ( [id] => 18297942 [patent_doc_number] => 20230107628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => Hair Clipper with Linear Actuator [patent_app_type] => utility [patent_app_number] => 18/063247 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3389 [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] => 18063247 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/063247
Hair clipper with linear actuator Dec 7, 2022 Issued
Array ( [id] => 19770911 [patent_doc_number] => 20250052337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => METHOD AND SYSTEM FOR OPERATING ACTUATORS [patent_app_type] => utility [patent_app_number] => 18/720634 [patent_app_country] => US [patent_app_date] => 2022-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3553 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18720634 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/720634
METHOD AND SYSTEM FOR OPERATING ACTUATORS Dec 7, 2022 Pending
Array ( [id] => 19023810 [patent_doc_number] => 20240079981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => MOTOR DRIVE SYSTEM AND TORQUE DISTRIBUTION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/074276 [patent_app_country] => US [patent_app_date] => 2022-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18074276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/074276
Motor drive system and torque distribution method thereof Dec 1, 2022 Issued
Array ( [id] => 18424512 [patent_doc_number] => 20230178977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => METHOD FOR OPERATING AN ELECTRICAL CIRCUIT ARRANGEMENT COMPRISING AT LEAST ONE FIRST COMPONENT AND ONE SECOND COMPONENT, THE ELECTRICAL CIRCUIT ARRANGEMENT, AND A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/073418 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4677 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18073418 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/073418
Method for operating an electrical circuit arrangement comprising at least one first component and one second component, the electrical circuit arrangement, and a motor vehicle Nov 30, 2022 Issued
Array ( [id] => 19773974 [patent_doc_number] => 20250055400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => METHOD FOR DRIVING A POWER SUPPLY INVERTER OF A MOTOR COMPRISING AT LEAST TWO WINDINGS UPON A SHORT-CIRCUIT TYPE FAILURE [patent_app_type] => utility [patent_app_number] => 18/717551 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18717551 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/717551
METHOD FOR DRIVING A POWER SUPPLY INVERTER OF A MOTOR COMPRISING AT LEAST TWO WINDINGS UPON A SHORT-CIRCUIT TYPE FAILURE Nov 30, 2022 Pending
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