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] => 10309916 [patent_doc_number] => 20150194918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-09 [patent_title] => 'CONTROL DEVICE FOR ELECTRIC CAR' [patent_app_type] => utility [patent_app_number] => 14/419407 [patent_app_country] => US [patent_app_date] => 2012-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 13416 [patent_no_of_claims] => 16 [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] => 14419407 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/419407
Control device for electric car Aug 8, 2012 Issued
Array ( [id] => 8944473 [patent_doc_number] => 08497655 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-30 [patent_title] => 'Method and apparatus for estimating rotor position in a sensorless synchronous motor' [patent_app_type] => utility [patent_app_number] => 13/532889 [patent_app_country] => US [patent_app_date] => 2012-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 5320 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13532889 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/532889
Method and apparatus for estimating rotor position in a sensorless synchronous motor Jun 25, 2012 Issued
Array ( [id] => 11788055 [patent_doc_number] => 09397544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-07-19 [patent_title] => 'Electromagnetic pump compensation power supply apparatus and electromagnetic pump system' [patent_app_type] => utility [patent_app_number] => 14/123644 [patent_app_country] => US [patent_app_date] => 2012-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6721 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14123644 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/123644
Electromagnetic pump compensation power supply apparatus and electromagnetic pump system Jun 21, 2012 Issued
Array ( [id] => 9566410 [patent_doc_number] => 20140184122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-03 [patent_title] => 'CONSTRUCTION MACHINE' [patent_app_type] => utility [patent_app_number] => 14/122250 [patent_app_country] => US [patent_app_date] => 2012-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6672 [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] => 14122250 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122250
CONSTRUCTION MACHINE May 29, 2012 Abandoned
Array ( [id] => 10558415 [patent_doc_number] => 09282627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-08 [patent_title] => 'Linear actuator system with means for fire detection' [patent_app_type] => utility [patent_app_number] => 14/122787 [patent_app_country] => US [patent_app_date] => 2012-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 3395 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14122787 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122787
Linear actuator system with means for fire detection May 24, 2012 Issued
Array ( [id] => 9381354 [patent_doc_number] => 20140084835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'LOAD DRIVING DEVICE AND ELECTRONIC DEVICE USING SAME' [patent_app_type] => utility [patent_app_number] => 14/122292 [patent_app_country] => US [patent_app_date] => 2012-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7734 [patent_no_of_claims] => 22 [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] => 14122292 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122292
Load driving device and electronic device using same May 24, 2012 Issued
Array ( [id] => 9381339 [patent_doc_number] => 20140084820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'DEVICE AND METHOD FOR MANAGING THE ELECTRIC BRAKING OF A VEHICLE' [patent_app_type] => utility [patent_app_number] => 14/116166 [patent_app_country] => US [patent_app_date] => 2012-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3208 [patent_no_of_claims] => 8 [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] => 14116166 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/116166
Device and method for managing the electric braking of a vehicle May 8, 2012 Issued
Array ( [id] => 9367859 [patent_doc_number] => 20140077732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-20 [patent_title] => 'DEVICE AND METHOD FOR MANAGING THE ELECTRIC BRAKING OF A VEHICLE' [patent_app_type] => utility [patent_app_number] => 14/116164 [patent_app_country] => US [patent_app_date] => 2012-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3143 [patent_no_of_claims] => 7 [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] => 14116164 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/116164
DEVICE AND METHOD FOR MANAGING THE ELECTRIC BRAKING OF A VEHICLE May 8, 2012 Abandoned
Array ( [id] => 9087067 [patent_doc_number] => 08558498 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-15 [patent_title] => 'Drive device' [patent_app_type] => utility [patent_app_number] => 13/457655 [patent_app_country] => US [patent_app_date] => 2012-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 29 [patent_no_of_words] => 6109 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13457655 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/457655
Drive device Apr 26, 2012 Issued
Array ( [id] => 9381350 [patent_doc_number] => 20140084831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'CONTROL DEVICE AND METHOD FOR CONTROLLING ELECTRIC MOTOR' [patent_app_type] => utility [patent_app_number] => 13/814790 [patent_app_country] => US [patent_app_date] => 2012-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5479 [patent_no_of_claims] => 8 [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] => 13814790 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/814790
Control device and method for controlling electric motor Apr 15, 2012 Issued
Array ( [id] => 8549970 [patent_doc_number] => 08324855 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-04 [patent_title] => 'Fan control system' [patent_app_type] => utility [patent_app_number] => 13/442881 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1529 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13442881 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/442881
Fan control system Apr 9, 2012 Issued
Array ( [id] => 8549969 [patent_doc_number] => 08324854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-12-04 [patent_title] => 'Fan control system' [patent_app_type] => utility [patent_app_number] => 13/442880 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1521 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13442880 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/442880
Fan control system Apr 9, 2012 Issued
Array ( [id] => 9350832 [patent_doc_number] => 08669727 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-11 [patent_title] => 'Detection device for detecting magnetic pole position of synchronous motor, and control apparatus equipped therewith' [patent_app_type] => utility [patent_app_number] => 13/431020 [patent_app_country] => US [patent_app_date] => 2012-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8734 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 503 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13431020 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/431020
Detection device for detecting magnetic pole position of synchronous motor, and control apparatus equipped therewith Mar 26, 2012 Issued
Array ( [id] => 9209914 [patent_doc_number] => 20140009091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'ELECTRIC COMPRESSOR' [patent_app_type] => utility [patent_app_number] => 14/005854 [patent_app_country] => US [patent_app_date] => 2012-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3431 [patent_no_of_claims] => 7 [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] => 14005854 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/005854
ELECTRIC COMPRESSOR Mar 26, 2012 Abandoned
Array ( [id] => 9381340 [patent_doc_number] => 20140084821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'Method and Apparatus for Controlling an Electrical Machine' [patent_app_type] => utility [patent_app_number] => 14/007321 [patent_app_country] => US [patent_app_date] => 2012-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5655 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [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] => 14007321 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/007321
Method and apparatus for controlling an electrical machine Mar 25, 2012 Issued
Array ( [id] => 8299411 [patent_doc_number] => 20120181970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-19 [patent_title] => 'VARIABLE-FLUX MOTOR DRIVE SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/425032 [patent_app_country] => US [patent_app_date] => 2012-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 45 [patent_figures_cnt] => 45 [patent_no_of_words] => 30658 [patent_no_of_claims] => 6 [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] => 13425032 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/425032
Variable-flux motor drive system Mar 19, 2012 Issued
Array ( [id] => 9202639 [patent_doc_number] => 20140001815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-02 [patent_title] => 'RIPPLE EXTRACTION DEVICE, MOTOR CONTROL APPARATUS, VEHICLE SEAT AND RIPPLE EXTRACTION METHOD' [patent_app_type] => utility [patent_app_number] => 14/005004 [patent_app_country] => US [patent_app_date] => 2012-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 59289 [patent_no_of_claims] => 21 [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] => 14005004 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/005004
RIPPLE EXTRACTION DEVICE, MOTOR CONTROL APPARATUS, VEHICLE SEAT AND RIPPLE EXTRACTION METHOD Mar 12, 2012 Abandoned
Array ( [id] => 9202810 [patent_doc_number] => 20140001987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-02 [patent_title] => 'MOTOR DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/005782 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11558 [patent_no_of_claims] => 11 [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] => 14005782 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/005782
MOTOR DRIVING DEVICE Mar 11, 2012 Abandoned
Array ( [id] => 9210719 [patent_doc_number] => 20140009896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'Converter Assembly, Method for Producing a Converter Assembly and Method for Operating a Converter Assembly' [patent_app_type] => utility [patent_app_number] => 14/007231 [patent_app_country] => US [patent_app_date] => 2012-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2896 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [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] => 14007231 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/007231
Converter Assembly, Method for Producing a Converter Assembly and Method for Operating a Converter Assembly Mar 6, 2012 Pending
Array ( [id] => 8462878 [patent_doc_number] => 20120268046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-10-25 [patent_title] => 'CONTROL DEVICE FOR ALTERNATING CURRENT MOTOR' [patent_app_type] => utility [patent_app_number] => 13/407763 [patent_app_country] => US [patent_app_date] => 2012-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8611 [patent_no_of_claims] => 17 [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] => 13407763 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/407763
Control device for alternating current motor Feb 28, 2012 Issued
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