Search

Kawing Chan

Examiner (ID: 4339, Phone: (571)270-3909 , Office: P/2837 )

Most Active Art Unit
2837
Art Unit(s)
2846, 2837, 4147
Total Applications
954
Issued Applications
690
Pending Applications
56
Abandoned Applications
235

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15552731 [patent_doc_number] => 20200060777 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => Software Center and Highly Configurable Robotic Systems for Surgery and Other Uses [patent_app_type] => utility [patent_app_number] => 16/667523 [patent_app_country] => US [patent_app_date] => 2019-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16667523 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/667523
Software center and highly configurable robotic systems for surgery and other uses Oct 28, 2019 Issued
Array ( [id] => 20495583 [patent_doc_number] => 12537465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Motor control apparatus and motor control method [patent_app_type] => utility [patent_app_number] => 16/589617 [patent_app_country] => US [patent_app_date] => 2019-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7462 [patent_no_of_claims] => 11 [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] => 16589617 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/589617
Motor control apparatus and motor control method Sep 30, 2019 Issued
Array ( [id] => 17155910 [patent_doc_number] => 20210316961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => METHOD AND ELEVATOR CONTROL ARRANGEMENT FOR CONTROLLING A MAINTENANCE MODE OF AN ELEVATOR SYSTEM [patent_app_type] => utility [patent_app_number] => 17/250558 [patent_app_country] => US [patent_app_date] => 2019-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17250558 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/250558
METHOD AND ELEVATOR CONTROL ARRANGEMENT FOR CONTROLLING A MAINTENANCE MODE OF AN ELEVATOR SYSTEM Sep 18, 2019 Pending
Array ( [id] => 17199885 [patent_doc_number] => 20210339980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => METHOD AND MONITORING DEVICE FOR INFERRING A HEALTH STATUS OF CALL DEVICES IN AN ELEVATOR ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 17/250913 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17250913 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/250913
METHOD AND MONITORING DEVICE FOR INFERRING A HEALTH STATUS OF CALL DEVICES IN AN ELEVATOR ARRANGEMENT Sep 11, 2019 Pending
Array ( [id] => 17731353 [patent_doc_number] => 11387757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Inductance-based estimation of rotor magnet temperature [patent_app_type] => utility [patent_app_number] => 16/559742 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4475 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16559742 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/559742
Inductance-based estimation of rotor magnet temperature Sep 3, 2019 Issued
Array ( [id] => 16379867 [patent_doc_number] => 20200328710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => METHOD FOR DIRECT VOLTAGE SATURATION CALCULATION AND PREVENTION OF INVERTER VOLTAGE SATURATION [patent_app_type] => utility [patent_app_number] => 16/560657 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2709 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16560657 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/560657
Method for direct voltage saturation calculation and prevention of inverter voltage saturation Sep 3, 2019 Issued
Array ( [id] => 17540700 [patent_doc_number] => 11305809 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Motor control device [patent_app_type] => utility [patent_app_number] => 16/559948 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 8004 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16559948 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/559948
Motor control device Sep 3, 2019 Issued
Array ( [id] => 16646175 [patent_doc_number] => 10924047 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-16 [patent_title] => Control device for three-phase rotary machine [patent_app_type] => utility [patent_app_number] => 16/560036 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 10286 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16560036 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/560036
Control device for three-phase rotary machine Sep 3, 2019 Issued
Array ( [id] => 18289810 [patent_doc_number] => 11618672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Slew rate limiter systems, devices, and methods [patent_app_type] => utility [patent_app_number] => 16/558063 [patent_app_country] => US [patent_app_date] => 2019-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 11686 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16558063 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/558063
Slew rate limiter systems, devices, and methods Aug 30, 2019 Issued
Array ( [id] => 16678142 [patent_doc_number] => 20210066908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => MOTOR PROTECTION RELAY INTERFACE USING MAGNETOMETER-BASED SENSORS [patent_app_type] => utility [patent_app_number] => 16/556970 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16556970 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/556970
Motor protection relay interface using magnetometer-based sensors Aug 29, 2019 Issued
Array ( [id] => 17377479 [patent_doc_number] => 11235470 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Control apparatus, and processing method and program therefor [patent_app_type] => utility [patent_app_number] => 16/555068 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5264 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16555068 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/555068
Control apparatus, and processing method and program therefor Aug 28, 2019 Issued
Array ( [id] => 15746767 [patent_doc_number] => 20200112273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => MOTOR DRIVE DEVICE [patent_app_type] => utility [patent_app_number] => 16/556008 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16556008 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/556008
MOTOR DRIVE DEVICE Aug 28, 2019 Abandoned
Array ( [id] => 18202049 [patent_doc_number] => 11584428 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Steering device [patent_app_type] => utility [patent_app_number] => 16/554447 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 8079 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 789 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16554447 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/554447
Steering device Aug 27, 2019 Issued
Array ( [id] => 15532299 [patent_doc_number] => 20200058455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => POW SWITCHING DEVICE WITH ENHANCED PROGRAMMING [patent_app_type] => utility [patent_app_number] => 16/552579 [patent_app_country] => US [patent_app_date] => 2019-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8008 [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] => 16552579 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/552579
POW SWITCHING DEVICE WITH ENHANCED PROGRAMMING Aug 26, 2019 Abandoned
Array ( [id] => 18152786 [patent_doc_number] => 11565744 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Rotary electric machine control device and electric power steering device using same [patent_app_type] => utility [patent_app_number] => 16/534101 [patent_app_country] => US [patent_app_date] => 2019-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 10272 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16534101 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/534101
Rotary electric machine control device and electric power steering device using same Aug 6, 2019 Issued
Array ( [id] => 16869791 [patent_doc_number] => 20210163258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => ELEVATOR CONTROL CABINET WITH A VOICE COMMUNICATIONS APPARATUS AND METHOD FOR MONITORING A CABINET DOOR [patent_app_type] => utility [patent_app_number] => 17/250471 [patent_app_country] => US [patent_app_date] => 2019-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17250471 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/250471
ELEVATOR CONTROL CABINET WITH A VOICE COMMUNICATIONS APPARATUS AND METHOD FOR MONITORING A CABINET DOOR Jul 2, 2019 Abandoned
Array ( [id] => 15296841 [patent_doc_number] => 20190391556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => NUMERICAL CONTROLLER [patent_app_type] => utility [patent_app_number] => 16/447235 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16447235 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/447235
NUMERICAL CONTROLLER Jun 19, 2019 Abandoned
Array ( [id] => 15970923 [patent_doc_number] => 20200169213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => APPARATUS AND METHOD FOR DETECTING BLDC MOTOR OVERLOAD [patent_app_type] => utility [patent_app_number] => 16/447109 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16447109 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/447109
Apparatus and method for detecting BLDC motor overload Jun 19, 2019 Issued
Array ( [id] => 15301347 [patent_doc_number] => 20190393809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => ELECTRICAL ARCHITECTURE FOR AN AIRCRAFT, AIRCRAFT COMPRISING THE ARCHITECTURE AND METHOD FOR OPERATING THE ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 16/447722 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16447722 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/447722
Electrical architecture for an aircraft, aircraft comprising the architecture and method for operating the architecture Jun 19, 2019 Issued
Array ( [id] => 15301349 [patent_doc_number] => 20190393810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => DRIVING DEVICE, IMAGE FORMING APPARATUS, AND CONTROL PROGRAM [patent_app_type] => utility [patent_app_number] => 16/446495 [patent_app_country] => US [patent_app_date] => 2019-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16446495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/446495
Driving device, image forming apparatus, and control program Jun 18, 2019 Issued
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