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] => 9000753 [patent_doc_number] => 20130221877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'Systems and Methods for Black Starting a Power Grid Using a Self-Starting Synchronous Condenser' [patent_app_type] => utility [patent_app_number] => 13/408633 [patent_app_country] => US [patent_app_date] => 2012-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4031 [patent_no_of_claims] => 20 [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] => 13408633 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/408633
Systems and methods for black starting a power grid using a self-starting synchronous condenser Feb 28, 2012 Issued
Array ( [id] => 8368460 [patent_doc_number] => 20120217849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-30 [patent_title] => 'APPARATUS FOR CALCULATING ROTATIONAL POSITION OF ROTARY MACHINE' [patent_app_type] => utility [patent_app_number] => 13/406883 [patent_app_country] => US [patent_app_date] => 2012-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 16033 [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] => 13406883 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/406883
Apparatus for calculating rotational position of rotary machine Feb 27, 2012 Issued
Array ( [id] => 8789369 [patent_doc_number] => 20130106338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'APPARATUS AND METHOD OF DRIVING SWITCHED RELUCTANCE MOTOR' [patent_app_type] => utility [patent_app_number] => 13/405886 [patent_app_country] => US [patent_app_date] => 2012-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11680 [patent_no_of_claims] => 22 [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] => 13405886 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/405886
APPARATUS AND METHOD OF DRIVING SWITCHED RELUCTANCE MOTOR Feb 26, 2012 Abandoned
Array ( [id] => 8986684 [patent_doc_number] => 20130213965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-22 [patent_title] => 'GARBAGE CONTAINER' [patent_app_type] => utility [patent_app_number] => 13/402359 [patent_app_country] => US [patent_app_date] => 2012-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2085 [patent_no_of_claims] => 9 [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] => 13402359 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/402359
Garbage container Feb 21, 2012 Issued
Array ( [id] => 10159164 [patent_doc_number] => 09190949 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-11-17 [patent_title] => 'Dipolar axial compression magnet motor' [patent_app_type] => utility [patent_app_number] => 13/397121 [patent_app_country] => US [patent_app_date] => 2012-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 30 [patent_no_of_words] => 7527 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13397121 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/397121
Dipolar axial compression magnet motor Feb 14, 2012 Issued
Array ( [id] => 9216838 [patent_doc_number] => 08629642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-14 [patent_title] => 'Closed-loop motor driver compensation' [patent_app_type] => utility [patent_app_number] => 13/396929 [patent_app_country] => US [patent_app_date] => 2012-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 6463 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13396929 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/396929
Closed-loop motor driver compensation Feb 14, 2012 Issued
Array ( [id] => 9220688 [patent_doc_number] => 20140015463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-16 [patent_title] => 'METHOD FOR OPERATING AN ELECTRIC MACHINE IN A SHORT-CIRCUIT MODE' [patent_app_type] => utility [patent_app_number] => 14/007150 [patent_app_country] => US [patent_app_date] => 2012-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5520 [patent_no_of_claims] => 15 [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] => 14007150 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/007150
Method for operating an electric machine in a short-circuit mode Jan 30, 2012 Issued
Array ( [id] => 9209915 [patent_doc_number] => 20140009092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'BATTERY SYSTEM, EQUALIZING APPARATUS, EQUALIZING SYSTEM, ELECTRIC-POWERED VEHICLE, ELECTRIC-POWERED MOVABLE EQUIPMENT, POWER STORAGE DEVICE, AND POWER SOURCE APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/006439 [patent_app_country] => US [patent_app_date] => 2012-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11192 [patent_no_of_claims] => 12 [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] => 14006439 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/006439
BATTERY SYSTEM, EQUALIZING APPARATUS, EQUALIZING SYSTEM, ELECTRIC-POWERED VEHICLE, ELECTRIC-POWERED MOVABLE EQUIPMENT, POWER STORAGE DEVICE, AND POWER SOURCE APPARATUS Jan 25, 2012 Abandoned
Array ( [id] => 10609212 [patent_doc_number] => 09329239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-03 [patent_title] => 'Battery system, electric-powered vehicle, movable equipment, power storage device, and power source apparatus' [patent_app_type] => utility [patent_app_number] => 14/007208 [patent_app_country] => US [patent_app_date] => 2012-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 17013 [patent_no_of_claims] => 17 [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] => 14007208 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/007208
Battery system, electric-powered vehicle, movable equipment, power storage device, and power source apparatus Jan 25, 2012 Issued
Array ( [id] => 9079457 [patent_doc_number] => 20130264987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-10 [patent_title] => 'ELECTRIC POWER TOOL' [patent_app_type] => utility [patent_app_number] => 13/992524 [patent_app_country] => US [patent_app_date] => 2011-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10297 [patent_no_of_claims] => 10 [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] => 13992524 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/992524
ELECTRIC POWER TOOL Dec 21, 2011 Abandoned
Array ( [id] => 8090911 [patent_doc_number] => 20120081065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-05 [patent_title] => 'OVERCURRENT LIMITING FOR THE CLOSED-LOOP CONTROL OF CONVERTER-FED THREE-PHASE MACHINES' [patent_app_type] => utility [patent_app_number] => 13/299832 [patent_app_country] => US [patent_app_date] => 2011-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7488 [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] => publications/A1/0081/20120081065.pdf [firstpage_image] =>[orig_patent_app_number] => 13299832 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/299832
OVERCURRENT LIMITING FOR THE CLOSED-LOOP CONTROL OF CONVERTER-FED THREE-PHASE MACHINES Nov 17, 2011 Abandoned
Array ( [id] => 10035942 [patent_doc_number] => 09077271 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Starter circuit for a motor vehicle comprising a device for stepping-up the battery voltage, and starter equipped with the circuit' [patent_app_type] => utility [patent_app_number] => 13/991727 [patent_app_country] => US [patent_app_date] => 2011-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4906 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13991727 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/991727
Starter circuit for a motor vehicle comprising a device for stepping-up the battery voltage, and starter equipped with the circuit Nov 14, 2011 Issued
Array ( [id] => 9051731 [patent_doc_number] => 20130249445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-26 [patent_title] => 'CONTROL APPARATUS OF VIBRATION-TYPE ACTUATOR' [patent_app_type] => utility [patent_app_number] => 13/989144 [patent_app_country] => US [patent_app_date] => 2011-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 10024 [patent_no_of_claims] => 11 [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] => 13989144 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/989144
CONTROL APPARATUS OF VIBRATION-TYPE ACTUATOR Oct 25, 2011 Abandoned
Array ( [id] => 7739410 [patent_doc_number] => 20120019182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-26 [patent_title] => 'MAGNETIC-DRIVE-PULSATION MOTOR' [patent_app_type] => utility [patent_app_number] => 13/247197 [patent_app_country] => US [patent_app_date] => 2011-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7330 [patent_no_of_claims] => 10 [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] => publications/A1/0019/20120019182.pdf [firstpage_image] =>[orig_patent_app_number] => 13247197 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/247197
Magnetic-drive-pulsation motor Sep 27, 2011 Issued
Array ( [id] => 8050283 [patent_doc_number] => 20120074877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'OVER-TEMPERATURE PROTECTION CIRCUIT FOR POWER DEVICES' [patent_app_type] => utility [patent_app_number] => 13/245260 [patent_app_country] => US [patent_app_date] => 2011-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4113 [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] => publications/A1/0074/20120074877.pdf [firstpage_image] =>[orig_patent_app_number] => 13245260 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/245260
Over-temperature protection circuit for power devices Sep 25, 2011 Issued
Array ( [id] => 8647481 [patent_doc_number] => 20130033211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-07 [patent_title] => 'SWITCHING-MODE POWER SUPPLIES AND CONTROL METHODS THEREOF' [patent_app_type] => utility [patent_app_number] => 13/244291 [patent_app_country] => US [patent_app_date] => 2011-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3119 [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] => 13244291 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/244291
Switching-mode power supplies and control methods thereof Sep 23, 2011 Issued
Array ( [id] => 8310867 [patent_doc_number] => 20120187890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-26 [patent_title] => 'NUMERICAL CONTROLLER HAVING WORKPIECE MOUNTING ERROR COMPENSATION UNIT FOR THREE-AXIS MACHINE TOOL' [patent_app_type] => utility [patent_app_number] => 13/243466 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4822 [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] => 13243466 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/243466
Numerical controller having workpiece mounting error compensation unit for three-axis machine tool Sep 22, 2011 Issued
Array ( [id] => 8487303 [patent_doc_number] => 20120286711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-15 [patent_title] => 'AC MOTOR' [patent_app_type] => utility [patent_app_number] => 13/242354 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2817 [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] => 13242354 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/242354
AC motor Sep 22, 2011 Issued
Array ( [id] => 8050291 [patent_doc_number] => 20120074884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'INVERTER DEVICE AND ELECTRIC VEHICLE INCORPORATING SAME' [patent_app_type] => utility [patent_app_number] => 13/243529 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5097 [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] => publications/A1/0074/20120074884.pdf [firstpage_image] =>[orig_patent_app_number] => 13243529 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/243529
INVERTER DEVICE AND ELECTRIC VEHICLE INCORPORATING SAME Sep 22, 2011 Abandoned
Array ( [id] => 9883381 [patent_doc_number] => 08970150 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-03 [patent_title] => 'Apparatus for detecting the position of a rotor of an electric motor and related method' [patent_app_type] => utility [patent_app_number] => 13/242847 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 5919 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 8 [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] => 13242847 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/242847
Apparatus for detecting the position of a rotor of an electric motor and related method Sep 22, 2011 Issued
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