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] => 11593424 [patent_doc_number] => 20170117836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'DRIVING DEVICE WITH STEPPER MOTOR' [patent_app_type] => utility [patent_app_number] => 14/923778 [patent_app_country] => US [patent_app_date] => 2015-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 2807 [patent_no_of_claims] => 5 [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] => 14923778 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/923778
Driving device with stepper motor Oct 26, 2015 Issued
Array ( [id] => 11029472 [patent_doc_number] => 20160226428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-08-04 [patent_title] => 'System and Method for Controlling Wound Rotor Synchronous Motor' [patent_app_type] => utility [patent_app_number] => 14/924478 [patent_app_country] => US [patent_app_date] => 2015-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3966 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [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] => 14924478 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/924478
System and Method for Controlling Wound Rotor Synchronous Motor Oct 26, 2015 Abandoned
Array ( [id] => 10772761 [patent_doc_number] => 20160118917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'CONTROL FOR PULSE WIDTH MODULATED DRIVEN MOTORS' [patent_app_type] => utility [patent_app_number] => 14/922329 [patent_app_country] => US [patent_app_date] => 2015-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6808 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 14922329 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/922329
Control for pulse width modulated driven motors Oct 25, 2015 Issued
Array ( [id] => 11593414 [patent_doc_number] => 20170117826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'DRIVER CIRCUIT AND METHOD FOR SINGLE-PHASE AND THREE-PHASE INDUCTION MOTORS' [patent_app_type] => utility [patent_app_number] => 14/922890 [patent_app_country] => US [patent_app_date] => 2015-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4812 [patent_no_of_claims] => 13 [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] => 14922890 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/922890
Driver circuit and method for single-phase and three-phase induction motors Oct 25, 2015 Issued
Array ( [id] => 13112853 [patent_doc_number] => 10075094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-11 [patent_title] => Battery system comprising a hybrid battery and an NPC inverter which is connected at the input end to the battery, and method for operating an NPC inverter which is connected at the input end to a hybrid battery [patent_app_type] => utility [patent_app_number] => 15/529540 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7716 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 508 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15529540 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/529540
Battery system comprising a hybrid battery and an NPC inverter which is connected at the input end to the battery, and method for operating an NPC inverter which is connected at the input end to a hybrid battery Oct 19, 2015 Issued
Array ( [id] => 11123231 [patent_doc_number] => 20160320205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-03 [patent_title] => 'COUNTER BASED CIRCUIT FOR MEASURING MOVEMENT OF AN OBJECT' [patent_app_type] => utility [patent_app_number] => 14/887338 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5755 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 14887338 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/887338
Counter based circuit for measuring movement of an object Oct 19, 2015 Issued
Array ( [id] => 11845270 [patent_doc_number] => 09732818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-15 [patent_title] => 'Axial engagement-controlled variable damper systems and methods' [patent_app_type] => utility [patent_app_number] => 14/882238 [patent_app_country] => US [patent_app_date] => 2015-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6968 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14882238 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/882238
Axial engagement-controlled variable damper systems and methods Oct 12, 2015 Issued
Array ( [id] => 11845269 [patent_doc_number] => 09732817 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-15 [patent_title] => 'Axial engagement-controlled variable damper systems and methods' [patent_app_type] => utility [patent_app_number] => 14/882140 [patent_app_country] => US [patent_app_date] => 2015-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6919 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14882140 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/882140
Axial engagement-controlled variable damper systems and methods Oct 12, 2015 Issued
Array ( [id] => 10690211 [patent_doc_number] => 20160036358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'CONSTRUCTION MACHINE' [patent_app_type] => utility [patent_app_number] => 14/879243 [patent_app_country] => US [patent_app_date] => 2015-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6797 [patent_no_of_claims] => 6 [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] => 14879243 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/879243
Construction machine Oct 8, 2015 Issued
Array ( [id] => 11579331 [patent_doc_number] => 09634603 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-25 [patent_title] => 'Power limiting for motor current controllers' [patent_app_type] => utility [patent_app_number] => 14/834328 [patent_app_country] => US [patent_app_date] => 2015-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3945 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14834328 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/834328
Power limiting for motor current controllers Aug 23, 2015 Issued
Array ( [id] => 12961555 [patent_doc_number] => 09873342 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-23 [patent_title] => Method and electric combined device for powering and charging with compensation means [patent_app_type] => utility [patent_app_number] => 14/808098 [patent_app_country] => US [patent_app_date] => 2015-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4084 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14808098 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/808098
Method and electric combined device for powering and charging with compensation means Jul 23, 2015 Issued
Array ( [id] => 11593422 [patent_doc_number] => 20170117833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-27 [patent_title] => 'MOTOR CONTROL UNIT AND ELECTRIC POWER STEERING APPARATUS USING THE SAME AND VEHICLE' [patent_app_type] => utility [patent_app_number] => 15/307417 [patent_app_country] => US [patent_app_date] => 2015-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7562 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [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] => 15307417 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/307417
Motor control unit and electric power steering apparatus using the same and vehicle Jul 12, 2015 Issued
Array ( [id] => 10726275 [patent_doc_number] => 20160072423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-10 [patent_title] => 'Power Conversion Apparatus and Electric Power Steering Device' [patent_app_type] => utility [patent_app_number] => 14/792815 [patent_app_country] => US [patent_app_date] => 2015-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6317 [patent_no_of_claims] => 12 [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] => 14792815 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/792815
Power conversion apparatus and electric power steering device Jul 6, 2015 Issued
Array ( [id] => 10667597 [patent_doc_number] => 20160013742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-14 [patent_title] => 'MOTOR DRIVING CIRCUIT, COOLING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/793136 [patent_app_country] => US [patent_app_date] => 2015-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7814 [patent_no_of_claims] => 19 [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] => 14793136 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/793136
Motor driving circuit, cooling device and electronic apparatus including the same Jul 6, 2015 Issued
Array ( [id] => 12250667 [patent_doc_number] => 09923456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-20 [patent_title] => 'Matrix convertor, power generation system, and method for controlling power factor' [patent_app_type] => utility [patent_app_number] => 14/791258 [patent_app_country] => US [patent_app_date] => 2015-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 6217 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14791258 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/791258
Matrix convertor, power generation system, and method for controlling power factor Jul 2, 2015 Issued
Array ( [id] => 10660245 [patent_doc_number] => 20160006389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'SERIES MULTIPLEX MATRIX CONVERTOR, POWER GENERATION SYSTEM, AND METHOD FOR CONTROLLING POWER FACTOR' [patent_app_type] => utility [patent_app_number] => 14/791257 [patent_app_country] => US [patent_app_date] => 2015-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10743 [patent_no_of_claims] => 20 [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] => 14791257 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/791257
SERIES MULTIPLEX MATRIX CONVERTOR, POWER GENERATION SYSTEM, AND METHOD FOR CONTROLLING POWER FACTOR Jul 2, 2015 Abandoned
Array ( [id] => 10656826 [patent_doc_number] => 20160002969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'WINDOW OPENING-CLOSING CONTROL SYSTEM AND WINDOW OPENING-CLOSING CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/790548 [patent_app_country] => US [patent_app_date] => 2015-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 15098 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [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] => 14790548 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/790548
Window opening-closing control system and window opening-closing control apparatus Jul 1, 2015 Issued
Array ( [id] => 10655530 [patent_doc_number] => 20160001674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'APPARATUS FOR PROVIDING AN ELECTRIC VOLTAGE WITH A SERIAL STACK CONVERTER AND A DRIVE ARRANGEMENT' [patent_app_type] => utility [patent_app_number] => 14/790149 [patent_app_country] => US [patent_app_date] => 2015-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5585 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 14790149 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/790149
APPARATUS FOR PROVIDING AN ELECTRIC VOLTAGE WITH A SERIAL STACK CONVERTER AND A DRIVE ARRANGEMENT Jul 1, 2015 Abandoned
Array ( [id] => 13671571 [patent_doc_number] => 20160374519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => METHODS, SYSTEMS, AND APPARATUS FOR MONITORING A DISPENSING STATE OF A DISPENSING SYSTEM [patent_app_type] => utility [patent_app_number] => 14/750333 [patent_app_country] => US [patent_app_date] => 2015-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15098 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14750333 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/750333
Methods, systems, and apparatus for monitoring a dispensing state of a dispensing system Jun 24, 2015 Issued
Array ( [id] => 11800732 [patent_doc_number] => 09541598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Smart junction box for photovoltaic systems' [patent_app_type] => utility [patent_app_number] => 14/737069 [patent_app_country] => US [patent_app_date] => 2015-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4468 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14737069 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/737069
Smart junction box for photovoltaic systems Jun 10, 2015 Issued
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