Search

Jefferson A. Evans

Examiner (ID: 4052, Phone: (571)272-7574 , Office: P/2688 )

Most Active Art Unit
2688
Art Unit(s)
2303, 2754, 2652, 2627, 2689, 2688, 2512
Total Applications
2360
Issued Applications
2065
Pending Applications
39
Abandoned Applications
258

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19091540 [patent_doc_number] => 11952977 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-09 [patent_title] => Telescopic wind turbine tower [patent_app_type] => utility [patent_app_number] => 18/523064 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 9517 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523064 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523064
Telescopic wind turbine tower Nov 28, 2023 Issued
Array ( [id] => 20033874 [patent_doc_number] => 20250172096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => SYSTEMS AND METHODS FOR ENGINE WEAR REDUCTION [patent_app_type] => utility [patent_app_number] => 18/519919 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519919
Systems and methods for engine wear reduction Nov 26, 2023 Issued
Array ( [id] => 19158528 [patent_doc_number] => 20240151235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => COMBINED FAN STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/520504 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18520504 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/520504
Combined fan structure Nov 26, 2023 Issued
Array ( [id] => 20116561 [patent_doc_number] => 12366256 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Systems and methods associated with sound dampening in blowers [patent_app_type] => utility [patent_app_number] => 18/503516 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 18503516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503516
Systems and methods associated with sound dampening in blowers Nov 6, 2023 Issued
Array ( [id] => 20108943 [patent_doc_number] => 12359652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Prediction and prevention of safety stop of a wind turbine [patent_app_type] => utility [patent_app_number] => 18/500381 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3901 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18500381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500381
Prediction and prevention of safety stop of a wind turbine Nov 1, 2023 Issued
Array ( [id] => 20362163 [patent_doc_number] => 20250351975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => FOLDING BED STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/878126 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 398 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18878126 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/878126
FOLDING BED STRUCTURE Oct 30, 2023 Pending
Array ( [id] => 18972721 [patent_doc_number] => 20240052813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => Utilization of a Composite Nacelle Cover as the Load-Carrying Structure for Main Machinery Components for a Wind Turbine [patent_app_type] => utility [patent_app_number] => 18/383190 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6806 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18383190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383190
Utilization of a Composite Nacelle Cover as the Load-Carrying Structure for Main Machinery Components for a Wind Turbine Oct 23, 2023 Pending
Array ( [id] => 19856151 [patent_doc_number] => 12258976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Axial fan [patent_app_type] => utility [patent_app_number] => 18/493093 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 2648 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18493093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/493093
Axial fan Oct 23, 2023 Issued
Array ( [id] => 19810154 [patent_doc_number] => 12241531 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-03-04 [patent_title] => Torque converter impeller with weld groove [patent_app_type] => utility [patent_app_number] => 18/376858 [patent_app_country] => US [patent_app_date] => 2023-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3269 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18376858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376858
Torque converter impeller with weld groove Oct 4, 2023 Issued
Array ( [id] => 20613523 [patent_doc_number] => 20260083608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => SIDERAIL FOR A PATIENT SUPPORT APPARATUS [patent_app_type] => utility [patent_app_number] => 19/110262 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19110262 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/110262
SIDERAIL FOR A PATIENT SUPPORT APPARATUS Oct 1, 2023 Pending
Array ( [id] => 19833068 [patent_doc_number] => 20250084854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => FAN ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/466678 [patent_app_country] => US [patent_app_date] => 2023-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18466678 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/466678
FAN ASSEMBLY Sep 12, 2023 Abandoned
Array ( [id] => 18862813 [patent_doc_number] => 20230417249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => PROPELLER FAN AND REFRIGERATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/244001 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18244001 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/244001
Propeller fan and refrigeration apparatus Sep 7, 2023 Issued
Array ( [id] => 19143064 [patent_doc_number] => 20240141921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => FAN FOR A HEAT EXCHANGER OF A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/463083 [patent_app_country] => US [patent_app_date] => 2023-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1875 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463083 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463083
Fan for a heat exchanger of a vehicle Sep 6, 2023 Issued
Array ( [id] => 18920494 [patent_doc_number] => 20240023498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => AIR BLOWING DEVICE AND DETACHABLE FILTER ASSEMBLY FOR AIR BLOWING DEVICE [patent_app_type] => utility [patent_app_number] => 18/240361 [patent_app_country] => US [patent_app_date] => 2023-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240361
AIR BLOWING DEVICE AND DETACHABLE FILTER ASSEMBLY FOR AIR BLOWING DEVICE Aug 30, 2023 Pending
Array ( [id] => 18972756 [patent_doc_number] => 20240052848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => CONVEYING BLADES FOR A COMPRESSIBLE ROTOR [patent_app_type] => utility [patent_app_number] => 18/238564 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4879 [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] => 18238564 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/238564
Conveying blades for a compressible rotor Aug 27, 2023 Issued
Array ( [id] => 19020913 [patent_doc_number] => 20240077084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => BLOWER [patent_app_type] => utility [patent_app_number] => 18/237494 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237494
Blower Aug 23, 2023 Issued
Array ( [id] => 18963846 [patent_doc_number] => 11897592 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-13 [patent_title] => Automatic passive variable pitch propeller [patent_app_type] => utility [patent_app_number] => 18/235968 [patent_app_country] => US [patent_app_date] => 2023-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3014 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235968 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235968
Automatic passive variable pitch propeller Aug 20, 2023 Issued
Array ( [id] => 18818271 [patent_doc_number] => 20230392611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => FAN ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/235284 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19809 [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] => 18235284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235284
Fan assembly Aug 16, 2023 Issued
Array ( [id] => 19770731 [patent_doc_number] => 20250052157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => Matavian Propeller [patent_app_type] => utility [patent_app_number] => 18/232537 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3301 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18232537 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/232537
Matavian Propeller Aug 9, 2023 Abandoned
Array ( [id] => 19770741 [patent_doc_number] => 20250052167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => AIRCRAFT PISTON SEAL RING INCLUDING ANTI-ROTATION PROVISIONS [patent_app_type] => utility [patent_app_number] => 18/230774 [patent_app_country] => US [patent_app_date] => 2023-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4100 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18230774 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230774
Aircraft piston seal ring including anti-rotation provisions Aug 6, 2023 Issued
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