Search

Lessanework T. Seifu

Examiner (ID: 4022, Phone: (571)270-3153 , Office: P/1774 )

Most Active Art Unit
1774
Art Unit(s)
1709, 1797, 1774
Total Applications
1374
Issued Applications
1083
Pending Applications
93
Abandoned Applications
234

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18559019 [patent_doc_number] => 11724245 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Integrated heat exchanger reactors for renewable fuel delivery systems [patent_app_type] => utility [patent_app_number] => 17/401993 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 9761 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17401993 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/401993
Integrated heat exchanger reactors for renewable fuel delivery systems Aug 12, 2021 Issued
Array ( [id] => 18589456 [patent_doc_number] => 11738330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Doped carbonaceous materials for photocatalytic removal of pollutants under visible light, making methods and applications of same [patent_app_type] => utility [patent_app_number] => 17/400255 [patent_app_country] => US [patent_app_date] => 2021-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6324 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17400255 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/400255
Doped carbonaceous materials for photocatalytic removal of pollutants under visible light, making methods and applications of same Aug 11, 2021 Issued
Array ( [id] => 18656285 [patent_doc_number] => 20230302181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => AUTOMATIC PLANT FOR THE SANITIZATION AND DISINFECTION OF SHOPPING CARTS [patent_app_type] => utility [patent_app_number] => 18/020633 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020633
AUTOMATIC PLANT FOR THE SANITIZATION AND DISINFECTION OF SHOPPING CARTS Aug 8, 2021 Pending
Array ( [id] => 18656285 [patent_doc_number] => 20230302181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => AUTOMATIC PLANT FOR THE SANITIZATION AND DISINFECTION OF SHOPPING CARTS [patent_app_type] => utility [patent_app_number] => 18/020633 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020633
AUTOMATIC PLANT FOR THE SANITIZATION AND DISINFECTION OF SHOPPING CARTS Aug 8, 2021 Pending
Array ( [id] => 19494603 [patent_doc_number] => 12113328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Optical subassembly having side-emitting optical fiber coupled to high-energy UV-C laser diode [patent_app_type] => utility [patent_app_number] => 17/395976 [patent_app_country] => US [patent_app_date] => 2021-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 6510 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 17395976 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/395976
Optical subassembly having side-emitting optical fiber coupled to high-energy UV-C laser diode Aug 5, 2021 Issued
Array ( [id] => 20076600 [patent_doc_number] => 12350638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Reactor and method for carrying out a chemical reaction [patent_app_type] => utility [patent_app_number] => 18/040284 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 5053 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040284
Reactor and method for carrying out a chemical reaction Aug 4, 2021 Issued
Array ( [id] => 20076600 [patent_doc_number] => 12350638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Reactor and method for carrying out a chemical reaction [patent_app_type] => utility [patent_app_number] => 18/040284 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 5053 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040284
Reactor and method for carrying out a chemical reaction Aug 4, 2021 Issued
Array ( [id] => 18627115 [patent_doc_number] => 20230285927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => PLASMA REACTOR AND PLASMA CHEMICAL REACTIONS [patent_app_type] => utility [patent_app_number] => 18/020002 [patent_app_country] => US [patent_app_date] => 2021-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15807 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020002
PLASMA REACTOR AND PLASMA CHEMICAL REACTIONS Aug 3, 2021 Pending
Array ( [id] => 19359714 [patent_doc_number] => 20240261748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => A MICRO-INTERFACE ENHANCED OXIDATION SYSTEM AND OXIDATION METHOD FOR PREPARING HYDROGEN PEROXIDE [patent_app_type] => utility [patent_app_number] => 18/575304 [patent_app_country] => US [patent_app_date] => 2021-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18575304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/575304
Micro-interface enhanced oxidation system and oxidation method for preparing hydrogen peroxide Jul 29, 2021 Issued
Array ( [id] => 19373869 [patent_doc_number] => 12065418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Biomass conversion [patent_app_type] => utility [patent_app_number] => 17/385164 [patent_app_country] => US [patent_app_date] => 2021-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 12691 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17385164 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/385164
Biomass conversion Jul 25, 2021 Issued
Array ( [id] => 17335019 [patent_doc_number] => 20220001350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => Method and System for Manufacturing of Biopharmaceutical Products [patent_app_type] => utility [patent_app_number] => 17/381588 [patent_app_country] => US [patent_app_date] => 2021-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5416 [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] => 17381588 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/381588
Method and system for manufacturing of biopharmaceutical products Jul 20, 2021 Issued
Array ( [id] => 18398462 [patent_doc_number] => 11660579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Air lance for removing pellets from tubes [patent_app_type] => utility [patent_app_number] => 17/380186 [patent_app_country] => US [patent_app_date] => 2021-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 5136 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17380186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/380186
Air lance for removing pellets from tubes Jul 19, 2021 Issued
Array ( [id] => 17850636 [patent_doc_number] => 20220280677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => PHOTOCATALYST FOR AIR PURIFICATION, AND CERAMIC CATALYST FILTER AND AIR PURIFICATION DEVICE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/379871 [patent_app_country] => US [patent_app_date] => 2021-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17379871 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/379871
Photocatalyst for air purification, and ceramic catalyst filter and air purification device including the same Jul 18, 2021 Issued
Array ( [id] => 18738392 [patent_doc_number] => 20230347308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => FEED SUPPLY UNIT [patent_app_type] => utility [patent_app_number] => 18/016991 [patent_app_country] => US [patent_app_date] => 2021-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9901 [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] => 18016991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/016991
FEED SUPPLY UNIT Jul 18, 2021 Pending
Array ( [id] => 19593238 [patent_doc_number] => 12151056 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Service cover for filter slot of vehicle air conditioner [patent_app_type] => utility [patent_app_number] => 17/376294 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2417 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17376294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/376294
Service cover for filter slot of vehicle air conditioner Jul 14, 2021 Issued
Array ( [id] => 20200680 [patent_doc_number] => 12403445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Structured catalyst [patent_app_type] => utility [patent_app_number] => 18/001274 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 13340 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18001274 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001274
Structured catalyst Jul 14, 2021 Issued
Array ( [id] => 20200680 [patent_doc_number] => 12403445 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Structured catalyst [patent_app_type] => utility [patent_app_number] => 18/001274 [patent_app_country] => US [patent_app_date] => 2021-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 13340 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18001274 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001274
Structured catalyst Jul 14, 2021 Issued
Array ( [id] => 18142408 [patent_doc_number] => 20230016252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => Cassette for Sterilizing Curing Light Devices within an Autoclave [patent_app_type] => utility [patent_app_number] => 17/376051 [patent_app_country] => US [patent_app_date] => 2021-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17376051 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/376051
Cassette for Sterilizing Curing Light Devices within an Autoclave Jul 13, 2021 Abandoned
Array ( [id] => 17199126 [patent_doc_number] => 20210339220 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => Photocatalytic Reactor System [patent_app_type] => utility [patent_app_number] => 17/372445 [patent_app_country] => US [patent_app_date] => 2021-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17372445 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/372445
Photocatalytic reactor system Jul 9, 2021 Issued
Array ( [id] => 20157278 [patent_doc_number] => 12383879 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Semiconductor phosphide injection synthesis system and control method [patent_app_type] => utility [patent_app_number] => 17/797081 [patent_app_country] => US [patent_app_date] => 2021-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797081
Semiconductor phosphide injection synthesis system and control method Jul 4, 2021 Issued
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