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] => 15001207 [patent_doc_number] => 20190319561 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => MOTOR CONTROLLER, SENSORLESS BRUSHLESS MOTOR, FAN, AND MOTOR CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 16/471016 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9974 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16471016 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/471016
MOTOR CONTROLLER, SENSORLESS BRUSHLESS MOTOR, FAN, AND MOTOR CONTROL METHOD Dec 27, 2017 Abandoned
Array ( [id] => 15370895 [patent_doc_number] => 20200021212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => MOTOR CONTROLLER, BRUSHLESS MOTOR, FAN, AND MOTOR CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 16/471041 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8137 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16471041 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/471041
MOTOR CONTROLLER, BRUSHLESS MOTOR, FAN, AND MOTOR CONTROL METHOD Dec 27, 2017 Abandoned
Array ( [id] => 16496353 [patent_doc_number] => 10862410 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Multi-motor system [patent_app_type] => utility [patent_app_number] => 16/470992 [patent_app_country] => US [patent_app_date] => 2017-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 7484 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16470992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/470992
Multi-motor system Dec 20, 2017 Issued
Array ( [id] => 13964179 [patent_doc_number] => 20190058434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => AERIAL VEHICLE, AND OVERVOLTAGE PROTECTION METHOD AND DEVICE OF ELECTRONIC GOVERNOR IN THE SAME [patent_app_type] => utility [patent_app_number] => 16/077326 [patent_app_country] => US [patent_app_date] => 2017-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16077326 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/077326
Aerial vehicle, and overvoltage protection method and device of electronic governor in the same Nov 27, 2017 Issued
Array ( [id] => 15642445 [patent_doc_number] => 10594239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-17 [patent_title] => Motor drive device and refrigeration equipment [patent_app_type] => utility [patent_app_number] => 16/076732 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 5924 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16076732 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/076732
Motor drive device and refrigeration equipment Nov 8, 2017 Issued
Array ( [id] => 17033387 [patent_doc_number] => 11095210 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Mitigation of touch current in handheld electrical tools [patent_app_type] => utility [patent_app_number] => 16/344419 [patent_app_country] => US [patent_app_date] => 2017-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 4559 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16344419 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/344419
Mitigation of touch current in handheld electrical tools Oct 22, 2017 Issued
Array ( [id] => 12183751 [patent_doc_number] => 20180042687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'Software Center and Highly Configurable Robotic Systems for Surgery and Other Uses' [patent_app_type] => utility [patent_app_number] => 15/790767 [patent_app_country] => US [patent_app_date] => 2017-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 24457 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15790767 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/790767
Software center and highly configurable robotic systems for surgery and other uses Oct 22, 2017 Issued
Array ( [id] => 16029441 [patent_doc_number] => 10677131 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-09 [patent_title] => Method for determining a temperature of a diaphragm of a pump [patent_app_type] => utility [patent_app_number] => 15/730024 [patent_app_country] => US [patent_app_date] => 2017-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3557 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15730024 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/730024
Method for determining a temperature of a diaphragm of a pump Oct 10, 2017 Issued
Array ( [id] => 12157003 [patent_doc_number] => 20180028268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-01 [patent_title] => 'Software Center and Highly Configurable Robotic Systems for Surgery and Other Uses' [patent_app_type] => utility [patent_app_number] => 15/726733 [patent_app_country] => US [patent_app_date] => 2017-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 24508 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15726733 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/726733
Software center and highly configurable robotic systems for surgery and other uses Oct 5, 2017 Issued
Array ( [id] => 16373058 [patent_doc_number] => 10804832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Control system for a synchronous machine and method for operating a synchronous machine [patent_app_type] => utility [patent_app_number] => 16/344071 [patent_app_country] => US [patent_app_date] => 2017-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3965 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16344071 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/344071
Control system for a synchronous machine and method for operating a synchronous machine Oct 3, 2017 Issued
Array ( [id] => 13307587 [patent_doc_number] => 20180205330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => CONTROL DEVICE AND BRUSHLESS MOTOR [patent_app_type] => utility [patent_app_number] => 15/698828 [patent_app_country] => US [patent_app_date] => 2017-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11624 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15698828 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/698828
Control device and brushless motor Sep 7, 2017 Issued
Array ( [id] => 13529507 [patent_doc_number] => 20180316296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-01 [patent_title] => CLOSED-LOOP CONTROL OF LINEAR RESONANT ACTUATOR USING BACK EMF DATA AND HALL SENSING [patent_app_type] => utility [patent_app_number] => 15/698559 [patent_app_country] => US [patent_app_date] => 2017-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15698559 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/698559
Closed-loop control of linear resonant actuator using back EMF data and hall sensing Sep 6, 2017 Issued
Array ( [id] => 13631041 [patent_doc_number] => 20180367073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => MOTOR CONTROL CIRCUIT WITH DIAGNOSTIC CAPABILITIES [patent_app_type] => utility [patent_app_number] => 15/697846 [patent_app_country] => US [patent_app_date] => 2017-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15697846 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/697846
MOTOR CONTROL CIRCUIT WITH DIAGNOSTIC CAPABILITIES Sep 6, 2017 Abandoned
Array ( [id] => 13725063 [patent_doc_number] => 20170373487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => STARTING AND PROTECTING INDUCTION MOTORS [patent_app_type] => utility [patent_app_number] => 15/698476 [patent_app_country] => US [patent_app_date] => 2017-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15698476 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/698476
STARTING AND PROTECTING INDUCTION MOTORS Sep 6, 2017 Abandoned
Array ( [id] => 12264368 [patent_doc_number] => 20180083564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-22 [patent_title] => 'Motor Controller' [patent_app_type] => utility [patent_app_number] => 15/696634 [patent_app_country] => US [patent_app_date] => 2017-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 7790 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15696634 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/696634
Motor controller Sep 5, 2017 Issued
Array ( [id] => 13471973 [patent_doc_number] => 20180287529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => VEHICLE MOTOR CONTROL APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 15/695912 [patent_app_country] => US [patent_app_date] => 2017-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5562 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15695912 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/695912
Vehicle motor control apparatus and method Sep 4, 2017 Issued
Array ( [id] => 15950841 [patent_doc_number] => 10663319 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-26 [patent_title] => Sensor device for determining the position of the rotor of an electrical machine and control device for an electric motor [patent_app_type] => utility [patent_app_number] => 15/694800 [patent_app_country] => US [patent_app_date] => 2017-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5695 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15694800 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/694800
Sensor device for determining the position of the rotor of an electrical machine and control device for an electric motor Sep 2, 2017 Issued
Array ( [id] => 13997875 [patent_doc_number] => 20190068095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => SWITCHING TRANSIENT DAMPER METHOD AND APPARATUS [patent_app_type] => utility [patent_app_number] => 15/692693 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3078 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692693 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692693
Switching transient damper method and apparatus Aug 30, 2017 Issued
Array ( [id] => 17138196 [patent_doc_number] => 11139768 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Motor drive with independent physical backplane communication [patent_app_type] => utility [patent_app_number] => 15/692969 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4904 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692969 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692969
Motor drive with independent physical backplane communication Aug 30, 2017 Issued
Array ( [id] => 12595269 [patent_doc_number] => 20180090253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-29 [patent_title] => INTEGRATED GAP SENSING ELECTROMAGNETIC RELUCTANCE ACTUATOR [patent_app_type] => utility [patent_app_number] => 15/693088 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15693088 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693088
INTEGRATED GAP SENSING ELECTROMAGNETIC RELUCTANCE ACTUATOR Aug 30, 2017 Abandoned
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