Search

David S. Luo

Examiner (ID: 15082, Phone: (571)270-5251 , Office: P/2837 )

Most Active Art Unit
2837
Art Unit(s)
2837, 2846, 4192
Total Applications
1873
Issued Applications
1731
Pending Applications
70
Abandoned Applications
118

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19033151 [patent_doc_number] => 20240082966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => CROSS-COUPLING CONTROL METHOD FOR MOVING BEAM OF GANTRY MACHINE TOOL [patent_app_type] => utility [patent_app_number] => 18/508333 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18508333 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508333
Cross-coupling control method for moving beam of gantry machine tool Nov 13, 2023 Issued
Array ( [id] => 19176869 [patent_doc_number] => 20240162843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => MOTOR DRIVE CONTROL DEVICE AND FAN UNIT [patent_app_type] => utility [patent_app_number] => 18/507159 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507159
Motor drive control device and fan unit Nov 12, 2023 Issued
Array ( [id] => 19192189 [patent_doc_number] => 20240171102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => ELECTRIC MOTOR [patent_app_type] => utility [patent_app_number] => 18/504262 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18504262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/504262
Electric motor Nov 7, 2023 Issued
Array ( [id] => 18991770 [patent_doc_number] => 20240063739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => CONTROL METHOD FOR FAN, FAN, HOUSEHOLD APPLIANCE, AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 18/499488 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499488 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499488
Control method for fan, fan, household appliance, and computer-readable storage medium Oct 31, 2023 Issued
Array ( [id] => 20003157 [patent_doc_number] => 20250141379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => FILTERING OF MOTOR SIGNALS FOR CHATTER DETECTION [patent_app_type] => utility [patent_app_number] => 18/494239 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8035 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18494239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/494239
Filtering of motor signals for chatter detection Oct 24, 2023 Issued
Array ( [id] => 18986975 [patent_doc_number] => 20240058944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => Robotic Joint System with Length Adapter [patent_app_type] => utility [patent_app_number] => 18/489677 [patent_app_country] => US [patent_app_date] => 2023-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18489677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/489677
Robotic Joint System with Length Adapter Oct 17, 2023 Abandoned
Array ( [id] => 20467943 [patent_doc_number] => 12523980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Automation and motion control system [patent_app_type] => utility [patent_app_number] => 18/487720 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5757 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487720
Automation and motion control system Oct 15, 2023 Issued
Array ( [id] => 20229596 [patent_doc_number] => 12418255 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Identification of current gain errors and resistance imbalance in feedback current-controlled synchronous motor drive systems [patent_app_type] => utility [patent_app_number] => 18/484275 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7441 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484275
Identification of current gain errors and resistance imbalance in feedback current-controlled synchronous motor drive systems Oct 9, 2023 Issued
Array ( [id] => 19101639 [patent_doc_number] => 20240120867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => MOTOR CONTROL METHOD, TRANSFER DEVICE, AND STORING MEDIUM [patent_app_type] => utility [patent_app_number] => 18/480575 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18480575 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/480575
Motor control method, transfer device, and storing medium Oct 3, 2023 Issued
Array ( [id] => 20176352 [patent_doc_number] => 12395112 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Methods, systems, and vehicles configured for determining a stator resistance of an electric motor [patent_app_type] => utility [patent_app_number] => 18/479365 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479365
Methods, systems, and vehicles configured for determining a stator resistance of an electric motor Oct 1, 2023 Issued
Array ( [id] => 19117156 [patent_doc_number] => 20240128906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => Stable And Passive Observer-Based V/Hz Control For Synchronous Motors [patent_app_type] => utility [patent_app_number] => 18/476461 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8429 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18476461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/476461
Stable and passive observer-based V/Hz control for synchronous motors Sep 27, 2023 Issued
Array ( [id] => 20190175 [patent_doc_number] => 12401305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Motor management device and motor start-up and protection system comprising such a motor management device [patent_app_type] => utility [patent_app_number] => 18/370977 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2320 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 18370977 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/370977
Motor management device and motor start-up and protection system comprising such a motor management device Sep 20, 2023 Issued
Array ( [id] => 19071874 [patent_doc_number] => 20240106300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => ELECTRIC MOTOR SYSTEM [patent_app_type] => utility [patent_app_number] => 18/471625 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7236 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471625
ELECTRIC MOTOR SYSTEM Sep 20, 2023 Issued
Array ( [id] => 20441933 [patent_doc_number] => 12512775 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Motor driving apparatus and control method therefor [patent_app_type] => utility [patent_app_number] => 18/369405 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18369405 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/369405
Motor driving apparatus and control method therefor Sep 17, 2023 Issued
Array ( [id] => 20190172 [patent_doc_number] => 12401302 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Adaptive motor controller [patent_app_type] => utility [patent_app_number] => 18/468139 [patent_app_country] => US [patent_app_date] => 2023-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6539 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468139
Adaptive motor controller Sep 14, 2023 Issued
Array ( [id] => 20081294 [patent_doc_number] => 12355376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Electric motor control method, electric motor, and computer-readable storage medium [patent_app_type] => utility [patent_app_number] => 18/368306 [patent_app_country] => US [patent_app_date] => 2023-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3542 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18368306 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/368306
Electric motor control method, electric motor, and computer-readable storage medium Sep 13, 2023 Issued
Array ( [id] => 19926843 [patent_doc_number] => 12301142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Determinations of static load torque at standstill [patent_app_type] => utility [patent_app_number] => 18/242200 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3765 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242200
Determinations of static load torque at standstill Sep 4, 2023 Issued
Array ( [id] => 20147152 [patent_doc_number] => 12381501 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => USB-PD integrated circuit controller and system for powering a dynamic load over a USB type-C cable [patent_app_type] => utility [patent_app_number] => 18/460120 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1125 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460120
USB-PD integrated circuit controller and system for powering a dynamic load over a USB type-C cable Aug 31, 2023 Issued
Array ( [id] => 19801393 [patent_doc_number] => 20250067318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => METHOD AND APPARATUS FOR ACTIVELY DAMPING VIBRATIONS IN A HYBRID-ELECTRIC AIRCRAFT PROPULSION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/238250 [patent_app_country] => US [patent_app_date] => 2023-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18238250 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/238250
Method and apparatus for actively damping vibrations in a hybrid-electric aircraft propulsion system Aug 24, 2023 Issued
Array ( [id] => 20244584 [patent_doc_number] => 12424918 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Transport system, mover, control apparatus, and control method [patent_app_type] => utility [patent_app_number] => 18/456151 [patent_app_country] => US [patent_app_date] => 2023-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 11230 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18456151 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/456151
Transport system, mover, control apparatus, and control method Aug 24, 2023 Issued
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