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] => 14414983 [patent_doc_number] => 20190173335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => SWITCHED RELUCTANCE MACHINE [patent_app_type] => utility [patent_app_number] => 16/194932 [patent_app_country] => US [patent_app_date] => 2018-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3302 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16194932 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/194932
SWITCHED RELUCTANCE MACHINE Nov 18, 2018 Abandoned
Array ( [id] => 16368675 [patent_doc_number] => 10800415 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Electrically-assisted engine braking [patent_app_type] => utility [patent_app_number] => 16/194171 [patent_app_country] => US [patent_app_date] => 2018-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12945 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16194171 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/194171
Electrically-assisted engine braking Nov 15, 2018 Issued
Array ( [id] => 17011635 [patent_doc_number] => 20210242796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => POWER CONVERTING APPARATUS, MOTOR DRIVING APPARATUS, AND AIR CONDITIONER [patent_app_type] => utility [patent_app_number] => 17/273906 [patent_app_country] => US [patent_app_date] => 2018-09-28 [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] => -5 [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] => 17273906 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273906
Power converting apparatus, motor driving apparatus, and air conditioner Sep 27, 2018 Issued
Array ( [id] => 14019765 [patent_doc_number] => 20190071876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => RETRACTABLE AWNING WIND DAMAGE PREVENTION [patent_app_type] => utility [patent_app_number] => 16/124722 [patent_app_country] => US [patent_app_date] => 2018-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2447 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16124722 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/124722
RETRACTABLE AWNING WIND DAMAGE PREVENTION Sep 6, 2018 Abandoned
Array ( [id] => 14956483 [patent_doc_number] => 10439524 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-08 [patent_title] => Motor driving circuit and method thereof [patent_app_type] => utility [patent_app_number] => 16/105637 [patent_app_country] => US [patent_app_date] => 2018-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5400 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16105637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/105637
Motor driving circuit and method thereof Aug 19, 2018 Issued
Array ( [id] => 16609953 [patent_doc_number] => 10910977 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-02 [patent_title] => Method for determining a state of a bearing, module for determining a state of a bearing, railway vehicle and system [patent_app_type] => utility [patent_app_number] => 15/998538 [patent_app_country] => US [patent_app_date] => 2018-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4992 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15998538 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/998538
Method for determining a state of a bearing, module for determining a state of a bearing, railway vehicle and system Aug 15, 2018 Issued
Array ( [id] => 14559505 [patent_doc_number] => 10348228 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-07-09 [patent_title] => Motor driving circuit and method thereof [patent_app_type] => utility [patent_app_number] => 16/104026 [patent_app_country] => US [patent_app_date] => 2018-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5229 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 16104026 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/104026
Motor driving circuit and method thereof Aug 15, 2018 Issued
Array ( [id] => 15632915 [patent_doc_number] => 10589430 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-17 [patent_title] => Throwable robot with improved drive system [patent_app_type] => utility [patent_app_number] => 15/998686 [patent_app_country] => US [patent_app_date] => 2018-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 5480 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15998686 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/998686
Throwable robot with improved drive system Aug 14, 2018 Issued
Array ( [id] => 13964171 [patent_doc_number] => 20190058430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => Motor System with Multiple Connection Bars [patent_app_type] => utility [patent_app_number] => 16/102949 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16102949 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/102949
Motor system with multiple connection bars Aug 13, 2018 Issued
Array ( [id] => 13964173 [patent_doc_number] => 20190058431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => Connection Bars for Motor System [patent_app_type] => utility [patent_app_number] => 16/103003 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16103003 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/103003
Connection bars for motor system Aug 13, 2018 Issued
Array ( [id] => 13991175 [patent_doc_number] => 20190064745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => ROTATION CONTROL APPARATUS, ELECTRONIC TIMEPIECE, AND ROTATION CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 16/103019 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12511 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16103019 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/103019
ROTATION CONTROL APPARATUS, ELECTRONIC TIMEPIECE, AND ROTATION CONTROL METHOD Aug 13, 2018 Abandoned
Array ( [id] => 13997869 [patent_doc_number] => 20190068092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => MOTOR DRIVING CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 16/101599 [patent_app_country] => US [patent_app_date] => 2018-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16101599 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101599
Motor driving control device Aug 12, 2018 Issued
Array ( [id] => 16464718 [patent_doc_number] => 10848084 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-11-24 [patent_title] => Brushless DC motor control unit [patent_app_type] => utility [patent_app_number] => 16/101408 [patent_app_country] => US [patent_app_date] => 2018-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 6058 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16101408 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101408
Brushless DC motor control unit Aug 10, 2018 Issued
Array ( [id] => 14559519 [patent_doc_number] => 10348235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Motor control unit [patent_app_type] => utility [patent_app_number] => 16/100808 [patent_app_country] => US [patent_app_date] => 2018-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 9993 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16100808 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/100808
Motor control unit Aug 9, 2018 Issued
Array ( [id] => 14080767 [patent_doc_number] => 20190089271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => BRAKING SYSTEM FOR ELECTROMAGNETIC MOTORS [patent_app_type] => utility [patent_app_number] => 16/057970 [patent_app_country] => US [patent_app_date] => 2018-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16057970 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/057970
Braking system for electromagnetic motors Aug 7, 2018 Issued
Array ( [id] => 16832849 [patent_doc_number] => 11009090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-18 [patent_title] => Braking system for electromagnetic motors [patent_app_type] => utility [patent_app_number] => 16/057974 [patent_app_country] => US [patent_app_date] => 2018-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 25 [patent_no_of_words] => 21447 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16057974 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/057974
Braking system for electromagnetic motors Aug 7, 2018 Issued
Array ( [id] => 15581941 [patent_doc_number] => 10581368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Surge suppression circuit and inverter drive motor system [patent_app_type] => utility [patent_app_number] => 16/043516 [patent_app_country] => US [patent_app_date] => 2018-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 7314 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16043516 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/043516
Surge suppression circuit and inverter drive motor system Jul 23, 2018 Issued
Array ( [id] => 13550621 [patent_doc_number] => 20180326858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => Energy Storage Arrangement Comprising Multiple Energy Stores [patent_app_type] => utility [patent_app_number] => 16/040619 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040619 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040619
Energy storage arrangement comprising multiple energy stores Jul 19, 2018 Issued
Array ( [id] => 15377301 [patent_doc_number] => 10530383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Semiconductor device [patent_app_type] => utility [patent_app_number] => 16/031872 [patent_app_country] => US [patent_app_date] => 2018-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 25 [patent_no_of_words] => 9621 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16031872 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/031872
Semiconductor device Jul 9, 2018 Issued
Array ( [id] => 13477507 [patent_doc_number] => 20180290296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => MANIPULATOR SYSTEM, CONTROLLER AND COMPUTER-READABLE STORAGE MEDIUM [patent_app_type] => utility [patent_app_number] => 16/007042 [patent_app_country] => US [patent_app_date] => 2018-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16007042 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/007042
MANIPULATOR SYSTEM, CONTROLLER AND COMPUTER-READABLE STORAGE MEDIUM Jun 12, 2018 Abandoned
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