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] => 12212707 [patent_doc_number] => 09909505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-06 [patent_title] => 'Efficient, low pressure ratio propulsor for gas turbine engines' [patent_app_type] => utility [patent_app_number] => 14/695373 [patent_app_country] => US [patent_app_date] => 2015-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 4043 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14695373 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/695373
Efficient, low pressure ratio propulsor for gas turbine engines Apr 23, 2015 Issued
Array ( [id] => 11115769 [patent_doc_number] => 20160312742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'PASSIVE ELECTRICAL PROPORTIONAL TURBINE SPEED CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/695073 [patent_app_country] => US [patent_app_date] => 2015-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1618 [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] => 14695073 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/695073
PASSIVE ELECTRICAL PROPORTIONAL TURBINE SPEED CONTROL SYSTEM Apr 23, 2015 Abandoned
Array ( [id] => 11435640 [patent_doc_number] => 20170036661 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-09 [patent_title] => 'ENGINE JETTING OUT COMBUSTION GAS AS DRIVING FORCE' [patent_app_type] => utility [patent_app_number] => 15/304719 [patent_app_country] => US [patent_app_date] => 2015-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 9314 [patent_no_of_claims] => 18 [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] => 15304719 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/304719
ENGINE JETTING OUT COMBUSTION GAS AS DRIVING FORCE Apr 15, 2015 Abandoned
Array ( [id] => 15356635 [patent_doc_number] => 10526923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Combined cycle plant, control method of same, and control device of same [patent_app_type] => utility [patent_app_number] => 15/118320 [patent_app_country] => US [patent_app_date] => 2015-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 16847 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15118320 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/118320
Combined cycle plant, control method of same, and control device of same Feb 19, 2015 Issued
Array ( [id] => 12348645 [patent_doc_number] => 09951718 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-24 [patent_title] => Automatic bifurcation latch systems for a thrust reverser [patent_app_type] => utility [patent_app_number] => 14/626353 [patent_app_country] => US [patent_app_date] => 2015-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4042 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [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] => 14626353 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/626353
Automatic bifurcation latch systems for a thrust reverser Feb 18, 2015 Issued
Array ( [id] => 10222264 [patent_doc_number] => 20150107257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-23 [patent_title] => 'FLUSHING THE EXHAUST GAS RECIRCULATION LINES OF A GAS TURBINE' [patent_app_type] => utility [patent_app_number] => 14/589243 [patent_app_country] => US [patent_app_date] => 2015-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4271 [patent_no_of_claims] => 25 [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] => 14589243 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/589243
FLUSHING THE EXHAUST GAS RECIRCULATION LINES OF A GAS TURBINE Jan 4, 2015 Abandoned
Array ( [id] => 11291494 [patent_doc_number] => 20160341426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'OXIDATION RESISTANT THERMAL BARRIER COATING SYSTEM FOR COMBUSTOR PANELS' [patent_app_type] => utility [patent_app_number] => 15/106070 [patent_app_country] => US [patent_app_date] => 2014-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2193 [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] => 15106070 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/106070
Oxidation resistant thermal barrier coating system for combustor panels Dec 11, 2014 Issued
Array ( [id] => 11101873 [patent_doc_number] => 20160298843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'COOLING A COMBUSTOR HEAT SHIELD PROXIMATE A QUENCH APERTURE' [patent_app_type] => utility [patent_app_number] => 15/100374 [patent_app_country] => US [patent_app_date] => 2014-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 6101 [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] => 15100374 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/100374
Cooling a combustor heat shield proximate a quench aperture Dec 3, 2014 Issued
Array ( [id] => 12228193 [patent_doc_number] => 09915429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-13 [patent_title] => 'Fuel spray nozzle for a gas turbine engine' [patent_app_type] => utility [patent_app_number] => 14/553451 [patent_app_country] => US [patent_app_date] => 2014-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3163 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 390 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14553451 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/553451
Fuel spray nozzle for a gas turbine engine Nov 24, 2014 Issued
Array ( [id] => 11101880 [patent_doc_number] => 20160298850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'MULTI-POINT INJECTION DEVICE FOR AN AIRCRAFT ENGINE' [patent_app_type] => utility [patent_app_number] => 15/037736 [patent_app_country] => US [patent_app_date] => 2014-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5059 [patent_no_of_claims] => 13 [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] => 15037736 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/037736
Multi-point injection device for an aircraft engine Nov 19, 2014 Issued
Array ( [id] => 11101493 [patent_doc_number] => 20160298463 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'ENHANCED COOLING FOR BLADE TIP' [patent_app_type] => utility [patent_app_number] => 15/038485 [patent_app_country] => US [patent_app_date] => 2014-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3774 [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] => 15038485 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/038485
Enhanced cooling for blade tip Nov 4, 2014 Issued
Array ( [id] => 14795351 [patent_doc_number] => 10400672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Cooled fuel injector system for a gas turbine engine [patent_app_type] => utility [patent_app_number] => 15/029503 [patent_app_country] => US [patent_app_date] => 2014-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4513 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15029503 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/029503
Cooled fuel injector system for a gas turbine engine Oct 30, 2014 Issued
Array ( [id] => 13027421 [patent_doc_number] => 10036327 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-31 [patent_title] => Damper with bent neck for gas turbine [patent_app_type] => utility [patent_app_number] => 14/523040 [patent_app_country] => US [patent_app_date] => 2014-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2654 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14523040 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/523040
Damper with bent neck for gas turbine Oct 23, 2014 Issued
Array ( [id] => 14487085 [patent_doc_number] => 10330320 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-25 [patent_title] => Circumferentially and axially staged annular combustor for gas turbine engine [patent_app_type] => utility [patent_app_number] => 15/025817 [patent_app_country] => US [patent_app_date] => 2014-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5220 [patent_no_of_claims] => 13 [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] => 15025817 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/025817
Circumferentially and axially staged annular combustor for gas turbine engine Oct 20, 2014 Issued
Array ( [id] => 11101882 [patent_doc_number] => 20160298852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-13 [patent_title] => 'CIRCUMFERENTIALLY AND AXIALLY STAGED CAN COMBUSTOR FOR GAS TURBINE ENGINE' [patent_app_type] => utility [patent_app_number] => 15/025827 [patent_app_country] => US [patent_app_date] => 2014-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2843 [patent_no_of_claims] => 15 [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] => 15025827 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/025827
Circumferentially and axially staged can combustor for gas turbine engine Oct 19, 2014 Issued
Array ( [id] => 13888925 [patent_doc_number] => 10197009 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-02-05 [patent_title] => Gas turbine engine ejector [patent_app_type] => utility [patent_app_number] => 14/514770 [patent_app_country] => US [patent_app_date] => 2014-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3081 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14514770 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/514770
Gas turbine engine ejector Oct 14, 2014 Issued
Array ( [id] => 12567531 [patent_doc_number] => 10018088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-10 [patent_title] => Helmholtz damper for gas turbine with cooling air flow [patent_app_type] => utility [patent_app_number] => 14/510562 [patent_app_country] => US [patent_app_date] => 2014-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6460 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14510562 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/510562
Helmholtz damper for gas turbine with cooling air flow Oct 8, 2014 Issued
Array ( [id] => 15668313 [patent_doc_number] => 10598378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-03-24 [patent_title] => Bonded combustor wall for a turbine engine [patent_app_type] => utility [patent_app_number] => 15/025012 [patent_app_country] => US [patent_app_date] => 2014-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3837 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15025012 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/025012
Bonded combustor wall for a turbine engine Oct 6, 2014 Issued
Array ( [id] => 10204967 [patent_doc_number] => 20150089955 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-02 [patent_title] => 'GAS TURBINE WITH COOLING AIR COOLING SYSTEM AND METHOD FOR OPERATION OF A GAS TURBINE AT LOW PART LOAD' [patent_app_type] => utility [patent_app_number] => 14/501465 [patent_app_country] => US [patent_app_date] => 2014-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5792 [patent_no_of_claims] => 16 [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] => 14501465 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/501465
GAS TURBINE WITH COOLING AIR COOLING SYSTEM AND METHOD FOR OPERATION OF A GAS TURBINE AT LOW PART LOAD Sep 29, 2014 Abandoned
Array ( [id] => 9835047 [patent_doc_number] => 20150027129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-29 [patent_title] => 'GAS TURBINE WITH ADJUSTABLE COOLING AIR SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/498297 [patent_app_country] => US [patent_app_date] => 2014-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5318 [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] => 14498297 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/498297
GAS TURBINE WITH ADJUSTABLE COOLING AIR SYSTEM Sep 25, 2014 Abandoned
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