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] => 13244325 [patent_doc_number] => 10135380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-20 [patent_title] => AC rotary machine control apparatus [patent_app_type] => utility [patent_app_number] => 15/443124 [patent_app_country] => US [patent_app_date] => 2017-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 7018 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15443124 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/443124
AC rotary machine control apparatus Feb 26, 2017 Issued
Array ( [id] => 13025987 [patent_doc_number] => 10035607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-31 [patent_title] => Electrical drive system for an aircraft and operating method [patent_app_type] => utility [patent_app_number] => 15/441650 [patent_app_country] => US [patent_app_date] => 2017-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7884 [patent_no_of_claims] => 11 [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] => 15441650 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/441650
Electrical drive system for an aircraft and operating method Feb 23, 2017 Issued
Array ( [id] => 11946494 [patent_doc_number] => 20170250645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-31 [patent_title] => 'MOTOR DRIVE HAVING FUNCTION OF PROTECTING DYNAMIC BRAKING CIRCUIT' [patent_app_type] => utility [patent_app_number] => 15/441809 [patent_app_country] => US [patent_app_date] => 2017-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4337 [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] => 15441809 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/441809
Motor drive having function of protecting dynamic braking circuit Feb 23, 2017 Issued
Array ( [id] => 11946550 [patent_doc_number] => 20170250701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-31 [patent_title] => 'SIGNAL PROCESSOR AND CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/441868 [patent_app_country] => US [patent_app_date] => 2017-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7238 [patent_no_of_claims] => 16 [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] => 15441868 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/441868
Signal processor and control apparatus Feb 23, 2017 Issued
Array ( [id] => 12970612 [patent_doc_number] => 09876460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-23 [patent_title] => Automobile equipped with drive motor [patent_app_type] => utility [patent_app_number] => 15/441584 [patent_app_country] => US [patent_app_date] => 2017-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7580 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15441584 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/441584
Automobile equipped with drive motor Feb 23, 2017 Issued
Array ( [id] => 16309308 [patent_doc_number] => 10778124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-15 [patent_title] => Integrated monitoring of an electric motor assembly [patent_app_type] => utility [patent_app_number] => 15/442068 [patent_app_country] => US [patent_app_date] => 2017-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6855 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15442068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/442068
Integrated monitoring of an electric motor assembly Feb 23, 2017 Issued
Array ( [id] => 11940195 [patent_doc_number] => 20170244344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-24 [patent_title] => 'ENERGY-EFFICIENT MOTOR DRIVE WITH OR WITHOUT OPEN-CIRCUITED PHASE' [patent_app_type] => utility [patent_app_number] => 15/440231 [patent_app_country] => US [patent_app_date] => 2017-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 11044 [patent_no_of_claims] => 48 [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] => 15440231 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/440231
ENERGY-EFFICIENT MOTOR DRIVE WITH OR WITHOUT OPEN-CIRCUITED PHASE Feb 22, 2017 Abandoned
Array ( [id] => 16262867 [patent_doc_number] => 10754299 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Electronic watch [patent_app_type] => utility [patent_app_number] => 16/076690 [patent_app_country] => US [patent_app_date] => 2017-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 34852 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16076690 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/076690
Electronic watch Feb 14, 2017 Issued
Array ( [id] => 13930647 [patent_doc_number] => 20190048839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => METHOD AND SYSTEM FOR CONTROLLING AN INTEGRATED STARTER-GENERATOR [patent_app_type] => utility [patent_app_number] => 16/077107 [patent_app_country] => US [patent_app_date] => 2017-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16077107 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/077107
Method and system for controlling an integrated starter-generator Feb 12, 2017 Issued
Array ( [id] => 13356783 [patent_doc_number] => 20180229931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => LID BODY [patent_app_type] => utility [patent_app_number] => 15/429565 [patent_app_country] => US [patent_app_date] => 2017-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15429565 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/429565
Lid body Feb 9, 2017 Issued
Array ( [id] => 11747130 [patent_doc_number] => 20170201203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-13 [patent_title] => 'Software-Controlled Electronic Circuit for Switching Power to a Three-Phase Motor' [patent_app_type] => utility [patent_app_number] => 15/423749 [patent_app_country] => US [patent_app_date] => 2017-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6546 [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] => 15423749 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/423749
Software-controlled electronic circuit for switching power to a three-phase motor Feb 2, 2017 Issued
Array ( [id] => 14600351 [patent_doc_number] => 10353366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-16 [patent_title] => Customization method of motor control device and motor control device [patent_app_type] => utility [patent_app_number] => 15/545716 [patent_app_country] => US [patent_app_date] => 2016-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7796 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 15545716 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/545716
Customization method of motor control device and motor control device Dec 14, 2016 Issued
Array ( [id] => 13536159 [patent_doc_number] => 20180319623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => STAGGERED BRAKING OF AN ELEVATOR [patent_app_type] => utility [patent_app_number] => 15/770309 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 15770309 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/770309
Staggered braking of an elevator Oct 30, 2016 Issued
Array ( [id] => 13544385 [patent_doc_number] => 20180323739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => METHOD AND CONTROL DEVICE OF A MULTIPHASE SYNCHRONOUS ROTATING ELECTRIC MACHINE WITH EXCITATION AND CORRESPONDING VEHICLE ALTERNO-STARTER [patent_app_type] => utility [patent_app_number] => 15/770653 [patent_app_country] => US [patent_app_date] => 2016-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15770653 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/770653
Method and control device of a multiphase synchronous rotating electric machine with excitation and corresponding vehicle alterno-starter Oct 24, 2016 Issued
Array ( [id] => 13515629 [patent_doc_number] => 20180309357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => SYSTEM FOR CONVERTING A DC ELECTRIC POWER INTO AN AC ELECTRIC POWER WITH AN ENERGY RECOVERY MODULE [patent_app_type] => utility [patent_app_number] => 15/770043 [patent_app_country] => US [patent_app_date] => 2016-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3954 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 15770043 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/770043
System for converting a DC electric power into an AC electric power with an energy recovery module Oct 10, 2016 Issued
Array ( [id] => 11495985 [patent_doc_number] => 20170070170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-03-09 [patent_title] => 'METHOD AND DEVICE FOR CONTROLLING AN ELECTRIC MOTOR' [patent_app_type] => utility [patent_app_number] => 15/287550 [patent_app_country] => US [patent_app_date] => 2016-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3327 [patent_no_of_claims] => 34 [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] => 15287550 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/287550
Method and device for controlling an electric motor Oct 5, 2016 Issued
Array ( [id] => 16476934 [patent_doc_number] => 10851867 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-01 [patent_title] => Method and system for a feedback controller for a handheld tool [patent_app_type] => utility [patent_app_number] => 15/249844 [patent_app_country] => US [patent_app_date] => 2016-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 9699 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15249844 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/249844
Method and system for a feedback controller for a handheld tool Aug 28, 2016 Issued
Array ( [id] => 15858541 [patent_doc_number] => 10644574 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-05 [patent_title] => Optical sensor and method for estimating positions of rotors in a motor and the motor comprising the optical sensor [patent_app_type] => utility [patent_app_number] => 16/324828 [patent_app_country] => US [patent_app_date] => 2016-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2873 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16324828 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/324828
Optical sensor and method for estimating positions of rotors in a motor and the motor comprising the optical sensor Aug 15, 2016 Issued
Array ( [id] => 14665813 [patent_doc_number] => 10370800 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-06 [patent_title] => Hopper spreader with back EMF control and hopper system speed control [patent_app_type] => utility [patent_app_number] => 15/237326 [patent_app_country] => US [patent_app_date] => 2016-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9148 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15237326 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/237326
Hopper spreader with back EMF control and hopper system speed control Aug 14, 2016 Issued
Array ( [id] => 13748163 [patent_doc_number] => 10167011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-01 [patent_title] => System for compensating for disturbance of motor for motor driven power steering [patent_app_type] => utility [patent_app_number] => 15/232295 [patent_app_country] => US [patent_app_date] => 2016-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3166 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15232295 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/232295
System for compensating for disturbance of motor for motor driven power steering Aug 8, 2016 Issued
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