Search

Jefferson A Evans

Examiner (ID: 9538, Phone: (571)272-7574 , Office: P/2688 )

Most Active Art Unit
2688
Art Unit(s)
2512, 2688, 2689, 2303, 2652, 2627, 2754
Total Applications
2360
Issued Applications
2061
Pending Applications
39
Abandoned Applications
260

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17468087 [patent_doc_number] => 11274559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Turbine blade tip dirt removal feature [patent_app_type] => utility [patent_app_number] => 16/743435 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4083 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743435 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743435
Turbine blade tip dirt removal feature Jan 14, 2020 Issued
Array ( [id] => 18505150 [patent_doc_number] => 11702955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Component repair system and method [patent_app_type] => utility [patent_app_number] => 16/735191 [patent_app_country] => US [patent_app_date] => 2020-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 15957 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16735191 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/735191
Component repair system and method Jan 5, 2020 Issued
Array ( [id] => 16916875 [patent_doc_number] => 20210189967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => AIR STARTER WITH BEARING COOLING [patent_app_type] => utility [patent_app_number] => 16/724594 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724594 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724594
Air starter with bearing cooling Dec 22, 2019 Issued
Array ( [id] => 17179125 [patent_doc_number] => 11156362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Combustor with axially staged fuel injection [patent_app_type] => utility [patent_app_number] => 16/715207 [patent_app_country] => US [patent_app_date] => 2019-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 6481 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16715207 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/715207
Combustor with axially staged fuel injection Dec 15, 2019 Issued
Array ( [id] => 17135375 [patent_doc_number] => 11136923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Device for regulating supply flow rate [patent_app_type] => utility [patent_app_number] => 16/715129 [patent_app_country] => US [patent_app_date] => 2019-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2983 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16715129 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/715129
Device for regulating supply flow rate Dec 15, 2019 Issued
Array ( [id] => 16901607 [patent_doc_number] => 20210180523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => SYSTEMS AND METHODS FOR OPERATING AN ENGINE HAVING VARIABLE GEOMETRY MECHANISMS [patent_app_type] => utility [patent_app_number] => 16/713069 [patent_app_country] => US [patent_app_date] => 2019-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16713069 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/713069
SYSTEMS AND METHODS FOR OPERATING AN ENGINE HAVING VARIABLE GEOMETRY MECHANISMS Dec 12, 2019 Abandoned
Array ( [id] => 18445014 [patent_doc_number] => 11680575 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Bleed valve [patent_app_type] => utility [patent_app_number] => 16/711534 [patent_app_country] => US [patent_app_date] => 2019-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5148 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16711534 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/711534
Bleed valve Dec 11, 2019 Issued
Array ( [id] => 18014102 [patent_doc_number] => 11506390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Multi-fuel bluff-body piloted high-shear injector and method of using same [patent_app_type] => utility [patent_app_number] => 16/705658 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4719 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16705658 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/705658
Multi-fuel bluff-body piloted high-shear injector and method of using same Dec 5, 2019 Issued
Array ( [id] => 17541538 [patent_doc_number] => 11306654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Gas turbine engine system wear reduction [patent_app_type] => utility [patent_app_number] => 16/695290 [patent_app_country] => US [patent_app_date] => 2019-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5260 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16695290 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/695290
Gas turbine engine system wear reduction Nov 25, 2019 Issued
Array ( [id] => 15620151 [patent_doc_number] => 20200080480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => GAS TURBINE COMBUSTOR AND OPERATING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/680718 [patent_app_country] => US [patent_app_date] => 2019-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16680718 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/680718
Gas turbine combustor and operating method thereof Nov 11, 2019 Issued
Array ( [id] => 17163559 [patent_doc_number] => 11149648 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Methods and apparatus for controlling at least part of a start-up or re-light process of a gas turbine engine [patent_app_type] => utility [patent_app_number] => 16/679576 [patent_app_country] => US [patent_app_date] => 2019-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 16134 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16679576 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/679576
Methods and apparatus for controlling at least part of a start-up or re-light process of a gas turbine engine Nov 10, 2019 Issued
Array ( [id] => 18129255 [patent_doc_number] => 11555456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Fuel delivery system and method [patent_app_type] => utility [patent_app_number] => 16/671476 [patent_app_country] => US [patent_app_date] => 2019-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 17342 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16671476 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/671476
Fuel delivery system and method Oct 31, 2019 Issued
Array ( [id] => 16720831 [patent_doc_number] => 20210087978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => SYSTEMS AND METHODS FOR OPERATING GAS TURBINE ENGINES [patent_app_type] => utility [patent_app_number] => 16/665520 [patent_app_country] => US [patent_app_date] => 2019-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16665520 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/665520
Systems and methods for operating gas turbine engines Oct 27, 2019 Issued
Array ( [id] => 17527382 [patent_doc_number] => 11300059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-12 [patent_title] => Shaft resonance control [patent_app_type] => utility [patent_app_number] => 16/598342 [patent_app_country] => US [patent_app_date] => 2019-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 7445 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16598342 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/598342
Shaft resonance control Oct 9, 2019 Issued
Array ( [id] => 17635836 [patent_doc_number] => 11346555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Combustor for a gas turbine engine with ceramic matrix composite heat shield [patent_app_type] => utility [patent_app_number] => 16/596268 [patent_app_country] => US [patent_app_date] => 2019-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 7670 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 350 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16596268 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/596268
Combustor for a gas turbine engine with ceramic matrix composite heat shield Oct 7, 2019 Issued
Array ( [id] => 18202894 [patent_doc_number] => 11585281 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Device for controlling gas turbine, gas turbine facility, method for controlling gas turbine, and program for controlling gas turbine [patent_app_type] => utility [patent_app_number] => 17/275522 [patent_app_country] => US [patent_app_date] => 2019-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 13943 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 423 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17275522 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/275522
Device for controlling gas turbine, gas turbine facility, method for controlling gas turbine, and program for controlling gas turbine Oct 6, 2019 Issued
Array ( [id] => 15620185 [patent_doc_number] => 20200080497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => DETECTION OF UNCOMMANDED AND UNCONTROLLABLE HIGH THRUST EVENTS [patent_app_type] => utility [patent_app_number] => 16/561289 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3172 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16561289 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/561289
DETECTION OF UNCOMMANDED AND UNCONTROLLABLE HIGH THRUST EVENTS Sep 4, 2019 Abandoned
Array ( [id] => 15801669 [patent_doc_number] => 20200123977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => COMBUSTION CHAMBER, A COMBUSTION CHAMBER TILE AND A METHOD OF MANUFACTURING A COMBUSTION CHAMBER TILE [patent_app_type] => utility [patent_app_number] => 16/549054 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11038 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16549054 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/549054
COMBUSTION CHAMBER, A COMBUSTION CHAMBER TILE AND A METHOD OF MANUFACTURING A COMBUSTION CHAMBER TILE Aug 22, 2019 Abandoned
Array ( [id] => 17251928 [patent_doc_number] => 11187411 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Combustion chamber assembly with shingle part and positioning facility [patent_app_type] => utility [patent_app_number] => 16/539458 [patent_app_country] => US [patent_app_date] => 2019-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7253 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16539458 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/539458
Combustion chamber assembly with shingle part and positioning facility Aug 12, 2019 Issued
Array ( [id] => 16598799 [patent_doc_number] => 20210025330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => FUEL SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/518493 [patent_app_country] => US [patent_app_date] => 2019-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16518493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/518493
Fuel systems Jul 21, 2019 Issued
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