Search

David S. Luo

Examiner (ID: 2151, Phone: (571)270-5251 , Office: P/2837 )

Most Active Art Unit
2837
Art Unit(s)
4192, 2846, 2837
Total Applications
1870
Issued Applications
1729
Pending Applications
74
Abandoned Applications
118

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19524548 [patent_doc_number] => 12126292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Motor control device [patent_app_type] => utility [patent_app_number] => 17/869052 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6780 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869052
Motor control device Jul 19, 2022 Issued
Array ( [id] => 18767390 [patent_doc_number] => 11817807 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Method and system for constant temperature control of motorized spindles [patent_app_type] => utility [patent_app_number] => 17/864705 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4746 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17864705 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/864705
Method and system for constant temperature control of motorized spindles Jul 13, 2022 Issued
Array ( [id] => 19277861 [patent_doc_number] => 12027995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Power converter [patent_app_type] => utility [patent_app_number] => 17/860509 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8723 [patent_no_of_claims] => 5 [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] => 17860509 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860509
Power converter Jul 7, 2022 Issued
Array ( [id] => 18899161 [patent_doc_number] => 20240014646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => PERMANENT MAGNET MACHINE FAULT PROTECTION [patent_app_type] => utility [patent_app_number] => 17/860550 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2794 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17860550 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860550
Permanent magnet machine fault protection Jul 7, 2022 Issued
Array ( [id] => 19576049 [patent_doc_number] => 20240380341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => DEVICE FOR RAPIDLY RELEASING AN ELECTROMECHANICAL PARKING BRAKE [patent_app_type] => utility [patent_app_number] => 18/577128 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18577128 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/577128
DEVICE FOR RAPIDLY RELEASING AN ELECTROMECHANICAL PARKING BRAKE Jun 29, 2022 Pending
Array ( [id] => 18113694 [patent_doc_number] => 20230006574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => SMART MOTOR SYSTEMS AND METHODS USING LOCAL INTELLIGENCE [patent_app_type] => utility [patent_app_number] => 17/810129 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8235 [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] => 17810129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/810129
Smart motor systems and methods using local intelligence Jun 29, 2022 Issued
Array ( [id] => 18161329 [patent_doc_number] => 20230027921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => CART [patent_app_type] => utility [patent_app_number] => 17/855367 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17855367 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855367
Cart Jun 29, 2022 Issued
Array ( [id] => 20305825 [patent_doc_number] => 12451829 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Variable frequency drive synchronous reluctance motor system with volts-per-Hertz control [patent_app_type] => utility [patent_app_number] => 18/573307 [patent_app_country] => US [patent_app_date] => 2022-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [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] => 18573307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/573307
Variable frequency drive synchronous reluctance motor system with volts-per-Hertz control Jun 21, 2022 Issued
Array ( [id] => 20305825 [patent_doc_number] => 12451829 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Variable frequency drive synchronous reluctance motor system with volts-per-Hertz control [patent_app_type] => utility [patent_app_number] => 18/573307 [patent_app_country] => US [patent_app_date] => 2022-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [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] => 18573307 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/573307
Variable frequency drive synchronous reluctance motor system with volts-per-Hertz control Jun 21, 2022 Issued
Array ( [id] => 18846602 [patent_doc_number] => 20230409006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => MOTOR CONTROLLER HAVING BEMF COMPENSATION FOR NOISE AND/OR VIBRATION REDUCTION [patent_app_type] => utility [patent_app_number] => 17/807203 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4495 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17807203 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/807203
Motor controller having BEMF compensation for noise and/or vibration reduction Jun 15, 2022 Issued
Array ( [id] => 20441931 [patent_doc_number] => 12512773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Positioning device and control method thereof [patent_app_type] => utility [patent_app_number] => 18/568714 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 4451 [patent_no_of_claims] => 13 [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] => 18568714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568714
Positioning device and control method thereof Jun 13, 2022 Issued
Array ( [id] => 19393510 [patent_doc_number] => 20240283380 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => POSITIONING DEVICE AND CONTROL METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/568725 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9676 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18568725 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/568725
Positioning device and control method thereof Jun 13, 2022 Issued
Array ( [id] => 19349987 [patent_doc_number] => 20240258951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => SERVO SYSTEM AND CONTROL METHOD FOR SERVO SYSTEM [patent_app_type] => utility [patent_app_number] => 18/564632 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18564632 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/564632
Servo system and control method for servo system Jun 9, 2022 Issued
Array ( [id] => 18828045 [patent_doc_number] => 11843338 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-12 [patent_title] => Variable speed drive control [patent_app_type] => utility [patent_app_number] => 17/837309 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6129 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17837309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/837309
Variable speed drive control Jun 9, 2022 Issued
Array ( [id] => 18098360 [patent_doc_number] => 20220416701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => EXTERNAL FORCE ESTIMATION DEVICE, EXTERNAL FORCE ESTIMATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 17/834385 [patent_app_country] => US [patent_app_date] => 2022-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17834385 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/834385
External force estimation device, external force estimation method, and non-transitory computer-readable storage medium Jun 6, 2022 Issued
Array ( [id] => 18688847 [patent_doc_number] => 11784597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-10 [patent_title] => System and method for controlling output [patent_app_type] => utility [patent_app_number] => 17/832887 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5299 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [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] => 17832887 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/832887
System and method for controlling output Jun 5, 2022 Issued
Array ( [id] => 18123941 [patent_doc_number] => 20230009552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => Surgical Tool With A Power Module That Enters A Specific State Based On The Type Of Handpiece To Which The Power Module Is Attached [patent_app_type] => utility [patent_app_number] => 17/804651 [patent_app_country] => US [patent_app_date] => 2022-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17804651 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/804651
Surgical Tool With A Power Module That Enters A Specific State Based On The Type Of Handpiece To Which The Power Module Is Attached May 30, 2022 Abandoned
Array ( [id] => 19314895 [patent_doc_number] => 12040726 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Converter, control device for converter, and control method for converter [patent_app_type] => utility [patent_app_number] => 17/824957 [patent_app_country] => US [patent_app_date] => 2022-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7621 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17824957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/824957
Converter, control device for converter, and control method for converter May 25, 2022 Issued
Array ( [id] => 17856035 [patent_doc_number] => 20220286078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => MOTOR CONTROL UNIT AND POWER SYSTEM [patent_app_type] => utility [patent_app_number] => 17/752512 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7904 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752512 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752512
Motor control unit and power system May 23, 2022 Issued
Array ( [id] => 18036864 [patent_doc_number] => 20220381079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => CONTROL AND DRIVE ASSEMBLY FOR A VEHICLE DOOR [patent_app_type] => utility [patent_app_number] => 17/752732 [patent_app_country] => US [patent_app_date] => 2022-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17752732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/752732
Control and drive assembly for a vehicle door May 23, 2022 Issued
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