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] => 19766370 [patent_doc_number] => 12224678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Power converter and heat pump system provided therewith [patent_app_type] => utility [patent_app_number] => 18/126892 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 31 [patent_no_of_words] => 9906 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126892
Power converter and heat pump system provided therewith Mar 26, 2023 Issued
Array ( [id] => 19469038 [patent_doc_number] => 20240322708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => AC-DC-AC CONVERTER FOR MOTOR DRIVE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/188725 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18188725 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/188725
AC-DC-AC converter for motor drive applications Mar 22, 2023 Issued
Array ( [id] => 20444692 [patent_doc_number] => 20260001409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => LINEAR TRACK CONTROL DEVICE AND LINEAR TRACK SYSTEM [patent_app_type] => utility [patent_app_number] => 19/132377 [patent_app_country] => US [patent_app_date] => 2023-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17286 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19132377 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/132377
LINEAR TRACK CONTROL DEVICE AND LINEAR TRACK SYSTEM Mar 22, 2023 Pending
Array ( [id] => 19372659 [patent_doc_number] => 12064197 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [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] => 18/122896 [patent_app_country] => US [patent_app_date] => 2023-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 32 [patent_no_of_words] => 15415 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122896 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122896
System and methods for positioning a manipulator arm by clutching within a null-perpendicular space concurrent with null-space movement Mar 16, 2023 Issued
Array ( [id] => 19887318 [patent_doc_number] => 12273054 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Electric valve/door, and control apparatus and method thereof [patent_app_type] => utility [patent_app_number] => 18/844071 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 10930 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18844071 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/844071
Electric valve/door, and control apparatus and method thereof Mar 15, 2023 Issued
Array ( [id] => 19454823 [patent_doc_number] => 20240314953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ISOLATING MOTOR CONTROL CENTER BYPASS UNITS AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/184158 [patent_app_country] => US [patent_app_date] => 2023-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184158 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184158
Isolating motor control center bypass units and systems Mar 14, 2023 Issued
Array ( [id] => 18627921 [patent_doc_number] => 20230286740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => ULTRASONIC SENSING TRASH CAN [patent_app_type] => utility [patent_app_number] => 18/182284 [patent_app_country] => US [patent_app_date] => 2023-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18182284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/182284
Ultrasonic sensing trash can Mar 9, 2023 Issued
Array ( [id] => 19716858 [patent_doc_number] => 12202380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-21 [patent_title] => Solid state energy storage and management system [patent_app_type] => utility [patent_app_number] => 18/120106 [patent_app_country] => US [patent_app_date] => 2023-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6022 [patent_no_of_claims] => 20 [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] => 18120106 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/120106
Solid state energy storage and management system Mar 9, 2023 Issued
Array ( [id] => 18653857 [patent_doc_number] => 20230299699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => COMPARISON OF ROTOR FLUX PARAMETERS [patent_app_type] => utility [patent_app_number] => 18/118768 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18118768 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/118768
Comparison of rotor flux parameters Mar 7, 2023 Issued
Array ( [id] => 19840547 [patent_doc_number] => 12252921 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Robotic vehicle and a lid controller mechanism for a lid thereof [patent_app_type] => utility [patent_app_number] => 18/117355 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 14239 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117355
Robotic vehicle and a lid controller mechanism for a lid thereof Mar 2, 2023 Issued
Array ( [id] => 19539867 [patent_doc_number] => 12132427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Manufacturing-sensitive control of high rotor pole switched reluctance motors [patent_app_type] => utility [patent_app_number] => 18/116508 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4035 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18116508 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/116508
Manufacturing-sensitive control of high rotor pole switched reluctance motors Mar 1, 2023 Issued
Array ( [id] => 20045605 [patent_doc_number] => 20250183827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => MOTOR CONTROL DEVICE AND ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/842148 [patent_app_country] => US [patent_app_date] => 2023-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18842148 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/842148
MOTOR CONTROL DEVICE AND ELECTRIC VEHICLE Feb 28, 2023 Pending
Array ( [id] => 19976950 [patent_doc_number] => 12344410 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Systems and methods involving dynamic recharge features and functionality for electric vehicles, electric homes and/or other implementations [patent_app_type] => utility [patent_app_number] => 18/114282 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4795 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114282
Systems and methods involving dynamic recharge features and functionality for electric vehicles, electric homes and/or other implementations Feb 26, 2023 Issued
Array ( [id] => 19257290 [patent_doc_number] => 12017321 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Handheld power tool with brushless electric motor [patent_app_type] => utility [patent_app_number] => 18/114604 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 33 [patent_no_of_words] => 10619 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114604 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114604
Handheld power tool with brushless electric motor Feb 26, 2023 Issued
Array ( [id] => 19055617 [patent_doc_number] => 20240097586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => MOTOR CONTROL DEVICE AND MOTOR DRIVER CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/172932 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18172932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/172932
Motor control device and motor driver circuit Feb 21, 2023 Issued
Array ( [id] => 20045603 [patent_doc_number] => 20250183825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => MOTOR DRIVE CONTROL DEVICE, MOTOR UNIT, AND MOTOR DRIVE CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/843822 [patent_app_country] => US [patent_app_date] => 2023-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18843822 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/843822
MOTOR DRIVE CONTROL DEVICE, MOTOR UNIT, AND MOTOR DRIVE CONTROL METHOD Feb 21, 2023 Pending
Array ( [id] => 20045612 [patent_doc_number] => 20250183834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => VOLTAGE CONTROL DEVICE AND VOLTAGE CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 18/840700 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18840700 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/840700
VOLTAGE CONTROL DEVICE AND VOLTAGE CONTROL METHOD Feb 13, 2023 Pending
Array ( [id] => 18675967 [patent_doc_number] => 20230313591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => METHOD AND AN APPARATUS FOR CONTROLLING A MOVEMENT OF AN OUTER BODY PANEL OF A MOTOR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/166935 [patent_app_country] => US [patent_app_date] => 2023-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18166935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/166935
Method and an apparatus for controlling a movement of an outer body panel of a motor vehicle Feb 8, 2023 Issued
Array ( [id] => 18440780 [patent_doc_number] => 20230188076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => MOTOR DRIVE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/105501 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3850 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18105501 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105501
Motor drive apparatus Feb 2, 2023 Issued
Array ( [id] => 19364878 [patent_doc_number] => 20240266912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => PERMANENT MAGNET GENERATOR BRAKES WITH PRESS SLIP FIT [patent_app_type] => utility [patent_app_number] => 18/105457 [patent_app_country] => US [patent_app_date] => 2023-02-03 [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] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18105457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105457
Permanent magnet generator brakes with press slip fit Feb 2, 2023 Issued
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