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] => 13984801 [patent_doc_number] => 20190061558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => SYSTEMS AND METHODS FOR SENSING PARAMETERS ON MOVERS IN LINEAR MOTOR SYSTEMS [patent_app_type] => utility [patent_app_number] => 15/692806 [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] => 4868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692806 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692806
SYSTEMS AND METHODS FOR SENSING PARAMETERS ON MOVERS IN LINEAR MOTOR SYSTEMS Aug 30, 2017 Abandoned
Array ( [id] => 15476521 [patent_doc_number] => 10554156 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Motor driving circuit, application device including the same, and braking method for a motor [patent_app_type] => utility [patent_app_number] => 15/692256 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6186 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692256 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692256
Motor driving circuit, application device including the same, and braking method for a motor Aug 30, 2017 Issued
Array ( [id] => 13910511 [patent_doc_number] => 20190044460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => PCB MOTOR CONTROLLER WITH POW SWITCHING [patent_app_type] => utility [patent_app_number] => 15/692588 [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] => 8010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692588 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692588
PCB motor controller with POW switching Aug 30, 2017 Issued
Array ( [id] => 13997879 [patent_doc_number] => 20190068097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => SYSTEM AND METHOD FOR STABILITY CONTROL IN ADJUSTABLE SPEED DRIVE WITH DC LINK THIN FILM CAPACITOR [patent_app_type] => utility [patent_app_number] => 15/692898 [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] => 6342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692898 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692898
System and method for stability control in adjustable speed drive with DC link thin film capacitor Aug 30, 2017 Issued
Array ( [id] => 12851797 [patent_doc_number] => 20180175772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => MOTOR DRIVE WITH MULTI-FUNCTION HIGH SPEED COMMUNICATIONS INTERFACE [patent_app_type] => utility [patent_app_number] => 15/693077 [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] => 4922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15693077 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693077
MOTOR DRIVE WITH MULTI-FUNCTION HIGH SPEED COMMUNICATIONS INTERFACE Aug 30, 2017 Abandoned
Array ( [id] => 15140791 [patent_doc_number] => 10483893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => Motor driving apparatus and home appliance including the same [patent_app_type] => utility [patent_app_number] => 15/692029 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 37 [patent_no_of_words] => 11794 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692029 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692029
Motor driving apparatus and home appliance including the same Aug 30, 2017 Issued
Array ( [id] => 13908945 [patent_doc_number] => 20190043677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => POW SWITCHING DEVICE WITH ENHANCED PROGRAMMING [patent_app_type] => utility [patent_app_number] => 15/692614 [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] => 8007 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15692614 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692614
POW switching device with enhanced programming Aug 30, 2017 Issued
Array ( [id] => 12851794 [patent_doc_number] => 20180175771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => MOTOR DRIVE WITH DYNAMIC INTERVAL COMMUNICATION [patent_app_type] => utility [patent_app_number] => 15/693056 [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] => 4901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15693056 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/693056
Motor drive with dynamic interval communication Aug 30, 2017 Issued
Array ( [id] => 13910513 [patent_doc_number] => 20190044461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => PCB-BASED MOTOR STARTER [patent_app_type] => utility [patent_app_number] => 15/692595 [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] => 7921 [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] => 15692595 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692595
PCB-based motor starter Aug 30, 2017 Issued
Array ( [id] => 12234610 [patent_doc_number] => 20180067473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-08 [patent_title] => 'NUMERICAL CONTROLLER, CONTROL SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM' [patent_app_type] => utility [patent_app_number] => 15/692563 [patent_app_country] => US [patent_app_date] => 2017-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4412 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [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] => 15692563 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/692563
Numerical controller, control system, control method, and control program Aug 30, 2017 Issued
Array ( [id] => 14415137 [patent_doc_number] => 20190173412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => ABNORMALITY DIAGNOSIS APPARATUS [patent_app_type] => utility [patent_app_number] => 16/324799 [patent_app_country] => US [patent_app_date] => 2017-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16324799 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/324799
Abnormality diagnosis apparatus Aug 2, 2017 Issued
Array ( [id] => 15875095 [patent_doc_number] => 20200144951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => DRIVING DEVICE, COMPRESSOR, AIR CONDITIONER, AND DRIVING METHOD [patent_app_type] => utility [patent_app_number] => 16/615304 [patent_app_country] => US [patent_app_date] => 2017-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14356 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16615304 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/615304
Driving device, compressor, air conditioner, and driving method Jul 24, 2017 Issued
Array ( [id] => 12961582 [patent_doc_number] => 09873351 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-23 [patent_title] => Fuel cell system, fuel cell vehicle, and method of controlling fuel cell system [patent_app_type] => utility [patent_app_number] => 15/647434 [patent_app_country] => US [patent_app_date] => 2017-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10930 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15647434 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/647434
Fuel cell system, fuel cell vehicle, and method of controlling fuel cell system Jul 11, 2017 Issued
Array ( [id] => 13617809 [patent_doc_number] => 20180360456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-20 [patent_title] => SURGICAL INSTRUMENT HAVING CONTROLLABLE ARTICULATION VELOCITY [patent_app_type] => utility [patent_app_number] => 15/628154 [patent_app_country] => US [patent_app_date] => 2017-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15628154 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/628154
Surgical instrument having controllable articulation velocity Jun 19, 2017 Issued
Array ( [id] => 13086189 [patent_doc_number] => 10063170 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-28 [patent_title] => Methods and apparatus for robust and efficient stepper motor BEMF measurement [patent_app_type] => utility [patent_app_number] => 15/619128 [patent_app_country] => US [patent_app_date] => 2017-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 5373 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15619128 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/619128
Methods and apparatus for robust and efficient stepper motor BEMF measurement Jun 8, 2017 Issued
Array ( [id] => 13688635 [patent_doc_number] => 20170355272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-14 [patent_title] => IN-VEHICLE STRUCTURE OF ELECTRIC-POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 15/614043 [patent_app_country] => US [patent_app_date] => 2017-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7296 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15614043 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/614043
IN-VEHICLE STRUCTURE OF ELECTRIC-POWER CONVERTER Jun 4, 2017 Abandoned
Array ( [id] => 13725321 [patent_doc_number] => 20170373616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-28 [patent_title] => Motor, Activation Control Method for the Motor, and Fan including the Motor [patent_app_type] => utility [patent_app_number] => 15/613341 [patent_app_country] => US [patent_app_date] => 2017-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -41 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15613341 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/613341
Motor, Activation Control Method for the Motor, and Fan including the Motor Jun 4, 2017 Abandoned
Array ( [id] => 14956489 [patent_doc_number] => 10439527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Motor control device [patent_app_type] => utility [patent_app_number] => 15/611984 [patent_app_country] => US [patent_app_date] => 2017-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8651 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15611984 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/611984
Motor control device Jun 1, 2017 Issued
Array ( [id] => 12811534 [patent_doc_number] => 20180162348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => SYSTEM AND METHOD OF CONTROLLING MOTOR FOR VEHICLE [patent_app_type] => utility [patent_app_number] => 15/612028 [patent_app_country] => US [patent_app_date] => 2017-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3743 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15612028 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/612028
SYSTEM AND METHOD OF CONTROLLING MOTOR FOR VEHICLE Jun 1, 2017 Abandoned
Array ( [id] => 12096048 [patent_doc_number] => 20170353141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'Torque Regulating Device, Electric Drive and Method for Torque Regulation' [patent_app_type] => utility [patent_app_number] => 15/612007 [patent_app_country] => US [patent_app_date] => 2017-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4291 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 10 [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] => 15612007 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/612007
Torque Regulating Device, Electric Drive and Method for Torque Regulation Jun 1, 2017 Abandoned
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