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] => 20466400 [patent_doc_number] => 12522432 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Trash can assembly [patent_app_type] => utility [patent_app_number] => 19/178723 [patent_app_country] => US [patent_app_date] => 2025-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4765 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19178723 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/178723
TRASH CAN ASSEMBLY Apr 13, 2025 Issued
Array ( [id] => 19987532 [patent_doc_number] => 20250125754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => INTELLIGENT CONTROL SYSTEM FOR CIRCULAR HIGH-POWER VIBRATION MOTOR [patent_app_type] => utility [patent_app_number] => 18/991860 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 961 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18991860 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/991860
Intelligent control system for circular high- power vibration motor Dec 22, 2024 Issued
Array ( [id] => 19987532 [patent_doc_number] => 20250125754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => INTELLIGENT CONTROL SYSTEM FOR CIRCULAR HIGH-POWER VIBRATION MOTOR [patent_app_type] => utility [patent_app_number] => 18/991860 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 961 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18991860 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/991860
Intelligent control system for circular high- power vibration motor Dec 22, 2024 Issued
Array ( [id] => 19554530 [patent_doc_number] => 20240366322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => SYSTEM AND METHODS FOR POSITIONING A MANIPULATOR ARM BY CLUTCHING WITHIN A NULL-PERPENDICULAR SPACE CONCURRENT WITH NULL-SPACE MOVEMENT [patent_app_type] => utility [patent_app_number] => 18/772513 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18772513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772513
SYSTEM AND METHODS FOR POSITIONING A MANIPULATOR ARM BY CLUTCHING WITHIN A NULL-PERPENDICULAR SPACE CONCURRENT WITH NULL-SPACE MOVEMENT Jul 14, 2024 Pending
Array ( [id] => 19509865 [patent_doc_number] => 20240341551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => INTELLIGENT CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 18/754745 [patent_app_country] => US [patent_app_date] => 2024-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18754745 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/754745
INTELLIGENT CLEANING DEVICE Jun 25, 2024 Pending
Array ( [id] => 19734255 [patent_doc_number] => 12212261 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Variable pole system for electric motors [patent_app_type] => utility [patent_app_number] => 18/671788 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 102 [patent_figures_cnt] => 102 [patent_no_of_words] => 8877 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18671788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/671788
Variable pole system for electric motors May 21, 2024 Issued
Array ( [id] => 19417787 [patent_doc_number] => 20240293910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => HANDHELD POWER TOOL WITH BRUSHLESS ELECTRIC MOTOR [patent_app_type] => utility [patent_app_number] => 18/663315 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663315 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663315
HANDHELD POWER TOOL WITH BRUSHLESS ELECTRIC MOTOR May 13, 2024 Pending
Array ( [id] => 19298544 [patent_doc_number] => 20240227111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => POWER TOOL [patent_app_type] => utility [patent_app_number] => 18/613603 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18613603 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/613603
POWER TOOL Mar 21, 2024 Pending
Array ( [id] => 20251715 [patent_doc_number] => 20250300584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => Parameter Estimation for a Permanent Magnet Synchronous Motor [patent_app_type] => utility [patent_app_number] => 18/611856 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611856 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611856
Parameter Estimation for a Permanent Magnet Synchronous Motor Mar 20, 2024 Pending
Array ( [id] => 20251715 [patent_doc_number] => 20250300584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => Parameter Estimation for a Permanent Magnet Synchronous Motor [patent_app_type] => utility [patent_app_number] => 18/611856 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18611856 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/611856
Parameter Estimation for a Permanent Magnet Synchronous Motor Mar 20, 2024 Pending
Array ( [id] => 19306867 [patent_doc_number] => 20240235447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => MOTOR CONTROL SYSTEM FOR DETERMINING AN OPERATING POINT FOR CONTROLLING AN ELECTRIC MOTOR [patent_app_type] => utility [patent_app_number] => 18/612045 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18612045 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/612045
MOTOR CONTROL SYSTEM FOR DETERMINING AN OPERATING POINT FOR CONTROLLING AN ELECTRIC MOTOR Mar 20, 2024 Pending
Array ( [id] => 19469062 [patent_doc_number] => 20240322732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => POWER ELECTRONIC CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/606840 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2212 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18606840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/606840
POWER ELECTRONIC CIRCUIT Mar 14, 2024 Pending
Array ( [id] => 19450681 [patent_doc_number] => 20240310811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SERVO SYSTEM [patent_app_type] => utility [patent_app_number] => 18/606555 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18606555 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/606555
SERVO SYSTEM Mar 14, 2024 Pending
Array ( [id] => 19325817 [patent_doc_number] => 12043480 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-23 [patent_title] => Trash can assembly [patent_app_type] => utility [patent_app_number] => 18/602917 [patent_app_country] => US [patent_app_date] => 2024-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 10250 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18602917 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/602917
Trash can assembly Mar 11, 2024 Issued
Array ( [id] => 20064178 [patent_doc_number] => 20250202400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => MOTOR ROTATIONAL SPEED CONTROL SYSTEM AND METHOD HAVING DUTY CYCLE VARIABLE MODULATION MECHANISM [patent_app_type] => utility [patent_app_number] => 18/601978 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1201 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601978
MOTOR ROTATIONAL SPEED CONTROL SYSTEM AND METHOD HAVING DUTY CYCLE VARIABLE MODULATION MECHANISM Mar 10, 2024 Pending
Array ( [id] => 20064178 [patent_doc_number] => 20250202400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => MOTOR ROTATIONAL SPEED CONTROL SYSTEM AND METHOD HAVING DUTY CYCLE VARIABLE MODULATION MECHANISM [patent_app_type] => utility [patent_app_number] => 18/601978 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1201 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601978 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601978
MOTOR ROTATIONAL SPEED CONTROL SYSTEM AND METHOD HAVING DUTY CYCLE VARIABLE MODULATION MECHANISM Mar 10, 2024 Pending
Array ( [id] => 19485142 [patent_doc_number] => 20240333184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Method of Reducing Mechanical Vibrations of a Motor System [patent_app_type] => utility [patent_app_number] => 18/598085 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598085 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598085
Method of Reducing Mechanical Vibrations of a Motor System Mar 6, 2024 Pending
Array ( [id] => 20417241 [patent_doc_number] => 12500536 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Method for enabling permanent magnet synchronous motor to start in reverse direction and associated motor device [patent_app_type] => utility [patent_app_number] => 18/595432 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18595432 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/595432
Method for enabling permanent magnet synchronous motor to start in reverse direction and associated motor device Mar 4, 2024 Issued
Array ( [id] => 19253594 [patent_doc_number] => 20240204591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => ELECTRIC MOTORS [patent_app_type] => utility [patent_app_number] => 18/593229 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18593229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/593229
ELECTRIC MOTORS Feb 29, 2024 Pending
Array ( [id] => 19246145 [patent_doc_number] => 20240197129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => SYSTEM AND METHOD FOR CONTROLLING A MOTOR AT A CONSTANT ROTATIONS PER MINUTE (RPM) [patent_app_type] => utility [patent_app_number] => 18/587516 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5286 [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] => 18587516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/587516
SYSTEM AND METHOD FOR CONTROLLING A MOTOR AT A CONSTANT ROTATIONS PER MINUTE (RPM) Feb 25, 2024 Pending
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