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] => 18436885 [patent_doc_number] => 20230184179 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => AIRCRAFT PROPULSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/941358 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5638 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17941358 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941358
Aircraft propulsion system Sep 8, 2022 Issued
Array ( [id] => 19638463 [patent_doc_number] => 12169068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-17 [patent_title] => Combustor for a turbine engine [patent_app_type] => utility [patent_app_number] => 17/819399 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 12557 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17819399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/819399
COMBUSTOR FOR A TURBINE ENGINE Aug 11, 2022
Array ( [id] => 18917120 [patent_doc_number] => 11879393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Fuel systems [patent_app_type] => utility [patent_app_number] => 17/882384 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4598 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [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] => 17882384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882384
Fuel systems Aug 4, 2022 Issued
Array ( [id] => 18956169 [patent_doc_number] => 20240044496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => MULTI-FUELED, WATER INJECTED HYDROGEN FUEL INJECTOR [patent_app_type] => utility [patent_app_number] => 17/881817 [patent_app_country] => US [patent_app_date] => 2022-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7671 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17881817 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/881817
Multi-fueled, water injected hydrogen fuel injector Aug 4, 2022 Issued
Array ( [id] => 18021415 [patent_doc_number] => 20220372914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => Aircraft Bypass Duct Heat Exchanger [patent_app_type] => utility [patent_app_number] => 17/872355 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17872355 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872355
Aircraft bypass duct heat exchanger Jul 24, 2022 Issued
Array ( [id] => 18910787 [patent_doc_number] => 11873760 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Airflow control system and methods thereof [patent_app_type] => utility [patent_app_number] => 17/856572 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7447 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17856572 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/856572
Airflow control system and methods thereof Jun 30, 2022 Issued
Array ( [id] => 18122995 [patent_doc_number] => 20230008605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => GAS TURBINE ENGINE AND OPERATING METHOD [patent_app_type] => utility [patent_app_number] => 17/810096 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17810096 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/810096
GAS TURBINE ENGINE AND OPERATING METHOD Jun 29, 2022 Abandoned
Array ( [id] => 18217047 [patent_doc_number] => 11591973 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-28 [patent_title] => Gas turbine operation [patent_app_type] => utility [patent_app_number] => 17/853365 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 41 [patent_no_of_words] => 55575 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853365 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853365
Gas turbine operation Jun 28, 2022 Issued
Array ( [id] => 18701975 [patent_doc_number] => 11788477 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-17 [patent_title] => Loading parameters [patent_app_type] => utility [patent_app_number] => 17/853494 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 41 [patent_no_of_words] => 55601 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853494
Loading parameters Jun 28, 2022 Issued
Array ( [id] => 18871773 [patent_doc_number] => 11859565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Aircraft operation [patent_app_type] => utility [patent_app_number] => 17/853333 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 24723 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853333 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853333
Aircraft operation Jun 28, 2022 Issued
Array ( [id] => 18355586 [patent_doc_number] => 11643980 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-05-09 [patent_title] => Engine parameters [patent_app_type] => utility [patent_app_number] => 17/853233 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 40630 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853233 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853233
Engine parameters Jun 28, 2022 Issued
Array ( [id] => 18518913 [patent_doc_number] => 11708796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Performance parameters [patent_app_type] => utility [patent_app_number] => 17/853103 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 34 [patent_no_of_words] => 39369 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853103
Performance parameters Jun 28, 2022 Issued
Array ( [id] => 17867884 [patent_doc_number] => 20220290620 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => SYSTEM AND METHOD FOR FUEL NOZZLE CLEANING DURING ENGINE OPERATION [patent_app_type] => utility [patent_app_number] => 17/664899 [patent_app_country] => US [patent_app_date] => 2022-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17664899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/664899
System and method for fuel nozzle cleaning during engine operation May 24, 2022 Issued
Array ( [id] => 17777304 [patent_doc_number] => 20220243653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => GAS TURBINE ENGINE SYSTEM WEAR REDUCTION [patent_app_type] => utility [patent_app_number] => 17/720900 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4984 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17720900 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/720900
Gas turbine engine system wear reduction Apr 13, 2022 Issued
Array ( [id] => 18916542 [patent_doc_number] => 11878810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Auxiliary power systems, aircraft including the same, and related methods [patent_app_type] => utility [patent_app_number] => 17/698525 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 21868 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17698525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698525
Auxiliary power systems, aircraft including the same, and related methods Mar 17, 2022 Issued
Array ( [id] => 18349704 [patent_doc_number] => 20230137815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => HYBRID ELECTRIC SINGLE ENGINE DESCENT MODE ACTIVATION LOGIC [patent_app_type] => utility [patent_app_number] => 17/586317 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586317
Hybrid electric single engine descent mode activation logic Jan 26, 2022 Issued
Array ( [id] => 17762104 [patent_doc_number] => 20220235716 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => METHOD OF CONTROLLING AIRCRAFT VAPOUR TRAILS AND PROPULSION SYSTEM PROVIDING FOR CONTROL OF AIRCRAFT VAPOUR TRAILS [patent_app_type] => utility [patent_app_number] => 17/570433 [patent_app_country] => US [patent_app_date] => 2022-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17570433 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/570433
Method of controlling aircraft vapour trails and propulsion system providing for control of aircraft vapour trails Jan 6, 2022 Issued
Array ( [id] => 18854518 [patent_doc_number] => 11852082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Systems and methods for controlling a fuel blend for a gas turbine [patent_app_type] => utility [patent_app_number] => 17/568782 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8369 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568782 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568782
Systems and methods for controlling a fuel blend for a gas turbine Jan 4, 2022 Issued
Array ( [id] => 17534421 [patent_doc_number] => 20220113030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => Combustor Assembly for a Turbine Engine [patent_app_type] => utility [patent_app_number] => 17/559686 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7414 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17559686 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559686
Combustor assembly for a turbine engine Dec 21, 2021 Issued
Array ( [id] => 18302423 [patent_doc_number] => 11624317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-11 [patent_title] => Supercritical fluid systems [patent_app_type] => utility [patent_app_number] => 17/559281 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7542 [patent_no_of_claims] => 20 [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] => 17559281 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559281
Supercritical fluid systems Dec 21, 2021 Issued
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