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] => 10981263 [patent_doc_number] => 20160178207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'AXIALLY STAGED MIXER WITH DILUTION AIR INJECTION' [patent_app_type] => utility [patent_app_number] => 14/970857 [patent_app_country] => US [patent_app_date] => 2015-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6723 [patent_no_of_claims] => 23 [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] => 14970857 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/970857
Axially staged mixer with dilution air injection Dec 15, 2015 Issued
Array ( [id] => 11670887 [patent_doc_number] => 20170159608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-08 [patent_title] => 'COMPLIANT SHAFT FOR TURBINE ENGINES' [patent_app_type] => utility [patent_app_number] => 14/960502 [patent_app_country] => US [patent_app_date] => 2015-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4029 [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] => 14960502 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/960502
Compliant shaft with a recursive configuration for turbine engines Dec 6, 2015 Issued
Array ( [id] => 10814957 [patent_doc_number] => 20160161118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'DAMPER FOR A GAS TURBINE' [patent_app_type] => utility [patent_app_number] => 14/958386 [patent_app_country] => US [patent_app_date] => 2015-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2578 [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] => 14958386 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/958386
Damper of a gas turbine with a gap Dec 2, 2015 Issued
Array ( [id] => 13972141 [patent_doc_number] => 10215416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Burner of a gas turbine with a lobed shape vortex generator [patent_app_type] => utility [patent_app_number] => 14/950759 [patent_app_country] => US [patent_app_date] => 2015-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 2388 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14950759 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/950759
Burner of a gas turbine with a lobed shape vortex generator Nov 23, 2015 Issued
Array ( [id] => 10800307 [patent_doc_number] => 20160146464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-26 [patent_title] => 'COMBUSTOR WITH ANNULAR BLUFF BODY' [patent_app_type] => utility [patent_app_number] => 14/950601 [patent_app_country] => US [patent_app_date] => 2015-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3325 [patent_no_of_claims] => 15 [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] => 14950601 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/950601
COMBUSTOR WITH ANNULAR BLUFF BODY Nov 23, 2015 Abandoned
Array ( [id] => 15542109 [patent_doc_number] => 10570824 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-25 [patent_title] => Near zero velocity lubrication system for a turbine engine [patent_app_type] => utility [patent_app_number] => 14/949273 [patent_app_country] => US [patent_app_date] => 2015-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4302 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14949273 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/949273
Near zero velocity lubrication system for a turbine engine Nov 22, 2015 Issued
Array ( [id] => 14424575 [patent_doc_number] => 10317084 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-11 [patent_title] => Additive layer manufacturing for fuel injectors [patent_app_type] => utility [patent_app_number] => 14/948986 [patent_app_country] => US [patent_app_date] => 2015-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4510 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14948986 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/948986
Additive layer manufacturing for fuel injectors Nov 22, 2015 Issued
Array ( [id] => 13052581 [patent_doc_number] => 10047675 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-14 [patent_title] => Power plant having a two-stage cooler device for cooling the admission air for a turboshaft engine [patent_app_type] => utility [patent_app_number] => 14/934606 [patent_app_country] => US [patent_app_date] => 2015-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 6334 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [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] => 14934606 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/934606
Power plant having a two-stage cooler device for cooling the admission air for a turboshaft engine Nov 5, 2015 Issued
Array ( [id] => 13805613 [patent_doc_number] => 10180068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-15 [patent_title] => Gas turbine unit [patent_app_type] => utility [patent_app_number] => 15/524352 [patent_app_country] => US [patent_app_date] => 2015-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4495 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15524352 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524352
Gas turbine unit Nov 4, 2015 Issued
Array ( [id] => 15575867 [patent_doc_number] => 10578305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-03 [patent_title] => Bruner assembly [patent_app_type] => utility [patent_app_number] => 15/514773 [patent_app_country] => US [patent_app_date] => 2015-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2091 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15514773 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/514773
Bruner assembly Oct 28, 2015 Issued
Array ( [id] => 10814601 [patent_doc_number] => 20160160761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'Gas Turbine Engine With Single Turbine Driving Two Compressors' [patent_app_type] => utility [patent_app_number] => 14/921324 [patent_app_country] => US [patent_app_date] => 2015-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1462 [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] => 14921324 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/921324
Gas Turbine Engine With Single Turbine Driving Two Compressors Oct 22, 2015 Abandoned
Array ( [id] => 10694453 [patent_doc_number] => 20160040599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-11 [patent_title] => 'COMBUSTION SYSTEM, APPARATUS AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/887363 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3379 [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] => 14887363 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/887363
COMBUSTION SYSTEM, APPARATUS AND METHOD Oct 19, 2015 Abandoned
Array ( [id] => 13238611 [patent_doc_number] => 10132500 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-20 [patent_title] => Airblast injectors [patent_app_type] => utility [patent_app_number] => 14/885182 [patent_app_country] => US [patent_app_date] => 2015-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2892 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14885182 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/885182
Airblast injectors Oct 15, 2015 Issued
Array ( [id] => 10714914 [patent_doc_number] => 20160061061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'COMBINED CYCLE POWER PLANT THERMAL ENERGY CONSERVATION' [patent_app_type] => utility [patent_app_number] => 14/820739 [patent_app_country] => US [patent_app_date] => 2015-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4663 [patent_no_of_claims] => 19 [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] => 14820739 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/820739
Combined cycle power plant thermal energy conservation Aug 6, 2015 Issued
Array ( [id] => 13223845 [patent_doc_number] => 10125692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-11-13 [patent_title] => Gas turbine engine system having a disengageable electric machine [patent_app_type] => utility [patent_app_number] => 14/819097 [patent_app_country] => US [patent_app_date] => 2015-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7013 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 14819097 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/819097
Gas turbine engine system having a disengageable electric machine Aug 4, 2015 Issued
Array ( [id] => 15635751 [patent_doc_number] => 10590856 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-17 [patent_title] => Gas turbine engine having an annular core bleed [patent_app_type] => utility [patent_app_number] => 14/797871 [patent_app_country] => US [patent_app_date] => 2015-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3933 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14797871 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/797871
Gas turbine engine having an annular core bleed Jul 12, 2015 Issued
Array ( [id] => 13972143 [patent_doc_number] => 10215417 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-26 [patent_title] => Sequential combustor arrangement with a mixer [patent_app_type] => utility [patent_app_number] => 14/795127 [patent_app_country] => US [patent_app_date] => 2015-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5310 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14795127 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/795127
Sequential combustor arrangement with a mixer Jul 8, 2015 Issued
Array ( [id] => 11620485 [patent_doc_number] => 20170130672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'CHEVRON NOZZLE' [patent_app_type] => utility [patent_app_number] => 15/323093 [patent_app_country] => US [patent_app_date] => 2015-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2353 [patent_no_of_claims] => 18 [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] => 15323093 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/323093
CHEVRON NOZZLE Jun 25, 2015 Abandoned
Array ( [id] => 11351011 [patent_doc_number] => 20160369751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'INTERNAL COMBUSTION ENGINE USING WATER AS AUXILIARY POWER' [patent_app_type] => utility [patent_app_number] => 14/745558 [patent_app_country] => US [patent_app_date] => 2015-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1611 [patent_no_of_claims] => 4 [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] => 14745558 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/745558
INTERNAL COMBUSTION ENGINE USING WATER AS AUXILIARY POWER Jun 21, 2015 Abandoned
Array ( [id] => 11555689 [patent_doc_number] => 20170101935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-13 [patent_title] => 'SYSTEM FOR SUPPLYING A TURBINE ENGINE WITH FLUID HAVING A LOW PRESSURE PUMPING ASSEMBLY COMPRISING TWO PUMPS IN PARALLEL' [patent_app_type] => utility [patent_app_number] => 15/316057 [patent_app_country] => US [patent_app_date] => 2015-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3552 [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] => 15316057 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/316057
System for supplying a turbine engine with fluid having a low pressure pumping assembly comprising two pumps in parallel Jun 2, 2015 Issued
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