Search

William C. Choi

Examiner (ID: 12128, Phone: (571)272-2324 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872, 2873
Total Applications
2398
Issued Applications
2207
Pending Applications
103
Abandoned Applications
131

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16407661 [patent_doc_number] => 10816207 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-27 [patent_title] => Fuel nozzle with helical fuel passage [patent_app_type] => utility [patent_app_number] => 15/896810 [patent_app_country] => US [patent_app_date] => 2018-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4417 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15896810 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/896810
Fuel nozzle with helical fuel passage Feb 13, 2018 Issued
Array ( [id] => 13566891 [patent_doc_number] => 20180334993 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => CORE COWL AFTER-BODY [patent_app_type] => utility [patent_app_number] => 15/887343 [patent_app_country] => US [patent_app_date] => 2018-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15887343 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/887343
CORE COWL AFTER-BODY Feb 1, 2018 Abandoned
Array ( [id] => 13330583 [patent_doc_number] => 20180216829 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => COMBUSTION CAN MAINTENANCE APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 15/882082 [patent_app_country] => US [patent_app_date] => 2018-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15882082 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/882082
Combustion can maintenance apparatus and method Jan 28, 2018 Issued
Array ( [id] => 12772582 [patent_doc_number] => 20180149362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-31 [patent_title] => FUEL SPRAY NOZZLE FOR A GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 15/878518 [patent_app_country] => US [patent_app_date] => 2018-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15878518 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/878518
Fuel spray nozzle having a splitter with by-pass ducts Jan 23, 2018 Issued
Array ( [id] => 15542711 [patent_doc_number] => 10571127 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-25 [patent_title] => Gas turbine combustor [patent_app_type] => utility [patent_app_number] => 15/790470 [patent_app_country] => US [patent_app_date] => 2017-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4442 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15790470 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/790470
Gas turbine combustor Oct 22, 2017 Issued
Array ( [id] => 15667639 [patent_doc_number] => 10598041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Inlet performance measurement system for gas turbine engine [patent_app_type] => utility [patent_app_number] => 15/789153 [patent_app_country] => US [patent_app_date] => 2017-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3096 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15789153 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/789153
Inlet performance measurement system for gas turbine engine Oct 19, 2017 Issued
Array ( [id] => 14187061 [patent_doc_number] => 20190113235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => TANGENTIAL BULK SWIRL AIR IN A TRAPPED VORTEX COMBUSTOR FOR A GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 15/785726 [patent_app_country] => US [patent_app_date] => 2017-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8913 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15785726 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/785726
Tangential bulk swirl air in a trapped vortex combustor for a gas turbine engine Oct 16, 2017 Issued
Array ( [id] => 15575171 [patent_doc_number] => 10577957 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Aft frame assembly for gas turbine transition piece [patent_app_type] => utility [patent_app_number] => 15/783356 [patent_app_country] => US [patent_app_date] => 2017-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4849 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15783356 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/783356
Aft frame assembly for gas turbine transition piece Oct 12, 2017 Issued
Array ( [id] => 13903709 [patent_doc_number] => 20190041059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => COMBUSTOR LINER PANEL WITH A MULTIPLE OF HEAT TRANSFER RIBS FOR A GAS TURBINE ENGINE COMBUSTOR [patent_app_type] => utility [patent_app_number] => 15/665837 [patent_app_country] => US [patent_app_date] => 2017-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 15665837 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/665837
Combustor liner panel with a multiple of heat transfer ribs for a gas turbine engine combustor Jul 31, 2017 Issued
Array ( [id] => 15384697 [patent_doc_number] => 10533522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-14 [patent_title] => Load balanced journal bearing pin [patent_app_type] => utility [patent_app_number] => 15/659992 [patent_app_country] => US [patent_app_date] => 2017-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4358 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 15659992 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/659992
Load balanced journal bearing pin Jul 25, 2017 Issued
Array ( [id] => 15754991 [patent_doc_number] => 10619596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-14 [patent_title] => Gas turbine engine exhaust ejector/mixer [patent_app_type] => utility [patent_app_number] => 15/655102 [patent_app_country] => US [patent_app_date] => 2017-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2090 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15655102 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/655102
Gas turbine engine exhaust ejector/mixer Jul 19, 2017 Issued
Array ( [id] => 15469727 [patent_doc_number] => 10550729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Asymmetric gas turbine exhaust diffuser [patent_app_type] => utility [patent_app_number] => 15/438996 [patent_app_country] => US [patent_app_date] => 2017-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4213 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15438996 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/438996
Asymmetric gas turbine exhaust diffuser Feb 21, 2017 Issued
Array ( [id] => 11865803 [patent_doc_number] => 20170233089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-17 [patent_title] => 'SYSTEM AND METHOD FOR STARTING THE ENGINES OF A TWIN-ENGINE AIRCRAFT' [patent_app_type] => utility [patent_app_number] => 15/434284 [patent_app_country] => US [patent_app_date] => 2017-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3756 [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] => 15434284 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/434284
System and method for starting the engines of a twin-engine aircraft Feb 15, 2017 Issued
Array ( [id] => 13359423 [patent_doc_number] => 20180231251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-16 [patent_title] => COMBUSTOR LINER PANEL SHELL INTERFACE FOR A GAS TURBINE ENGINE COMBUSTOR [patent_app_type] => utility [patent_app_number] => 15/432098 [patent_app_country] => US [patent_app_date] => 2017-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15432098 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/432098
Combustor liner panel shell interface for a gas turbine engine combustor Feb 13, 2017 Issued
Array ( [id] => 15979251 [patent_doc_number] => 10669941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Gas turbine cooling system, gas turbine facility including the same, and control device and control method of gas turbine cooling system [patent_app_type] => utility [patent_app_number] => 15/777767 [patent_app_country] => US [patent_app_date] => 2016-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 20649 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 341 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15777767 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/777767
Gas turbine cooling system, gas turbine facility including the same, and control device and control method of gas turbine cooling system Dec 5, 2016 Issued
Array ( [id] => 13577839 [patent_doc_number] => 20180340468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => GAS TURBINE AND COMPONENT-TEMPERATURE ADJUSTMENT METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 15/778122 [patent_app_country] => US [patent_app_date] => 2016-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19864 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 15778122 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/778122
Gas turbine and component-temperature adjustment method therefor Nov 24, 2016 Issued
Array ( [id] => 13591641 [patent_doc_number] => 20180347369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => FLOW PASSAGE FORMING PLATE, FLOW PASSAGE FORMING MEMBER ASSEMBLY AND VANE INCLUDING THE SAME, GAS TURBINE, MANUFACTURING METHOD OF FLOW PASSAGE FORMING PLATE, AND MODIFICATION METHOD OF FLOW PASSAGE FORMING PLATE [patent_app_type] => utility [patent_app_number] => 15/778522 [patent_app_country] => US [patent_app_date] => 2016-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15778522 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/778522
Flow passage forming plate, flow passage forming member assembly and vane including the same, gas turbine, manufacturing method of flow passage forming plate, and modification method of flow passage forming plate Nov 16, 2016 Issued
Array ( [id] => 12731065 [patent_doc_number] => 20180135522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => GAS TURBINE ENGINE ACCESSORIES ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 15/351803 [patent_app_country] => US [patent_app_date] => 2016-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4880 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15351803 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/351803
Gas turbine engine accessories arrangement Nov 14, 2016 Issued
Array ( [id] => 14854227 [patent_doc_number] => 10415832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => Multi-swirler fuel/air mixer with centralized fuel injection [patent_app_type] => utility [patent_app_number] => 15/339463 [patent_app_country] => US [patent_app_date] => 2016-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 2868 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15339463 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/339463
Multi-swirler fuel/air mixer with centralized fuel injection Oct 30, 2016 Issued
Array ( [id] => 11604920 [patent_doc_number] => 20170122222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-04 [patent_title] => 'System and Method for Determining Fuel Splits for a Gas Turbine' [patent_app_type] => utility [patent_app_number] => 15/296222 [patent_app_country] => US [patent_app_date] => 2016-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8121 [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] => 15296222 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/296222
System and Method for Determining Fuel Splits for a Gas Turbine Oct 17, 2016 Abandoned
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