
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |