Search

Lessanework T. Seifu

Examiner (ID: 17823, Phone: (571)270-3153 , Office: P/1774 )

Most Active Art Unit
1774
Art Unit(s)
1774, 1709, 1797
Total Applications
1424
Issued Applications
1114
Pending Applications
93
Abandoned Applications
240

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17481060 [patent_doc_number] => 20220088564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions [patent_app_type] => utility [patent_app_number] => 17/453154 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12625 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453154 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453154
Metal supported powder catalyst matrix and processes for multiphase chemical reactions Oct 31, 2021 Issued
Array ( [id] => 18215558 [patent_doc_number] => 11590473 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Metal supported powder catalyst matrix and processes for multiphase chemical reactions [patent_app_type] => utility [patent_app_number] => 17/453150 [patent_app_country] => US [patent_app_date] => 2021-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 12621 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17453150 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/453150
Metal supported powder catalyst matrix and processes for multiphase chemical reactions Oct 31, 2021 Issued
Array ( [id] => 18619455 [patent_doc_number] => 11752479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Methods, devices and systems for processing of carbonaceous compositions [patent_app_type] => utility [patent_app_number] => 17/514812 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 123 [patent_figures_cnt] => 123 [patent_no_of_words] => 49367 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17514812 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/514812
Methods, devices and systems for processing of carbonaceous compositions Oct 28, 2021 Issued
Array ( [id] => 20771604 [patent_doc_number] => 12655264 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Reactor arrangement and method for decomposing objects consisting of plastic-based composite materials [patent_app_type] => utility [patent_app_number] => 18/033909 [patent_app_country] => US [patent_app_date] => 2021-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 1208 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18033909 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/033909
Reactor arrangement and method for decomposing objects consisting of plastic-based composite materials Oct 21, 2021 Issued
Array ( [id] => 19513214 [patent_doc_number] => 20240344900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => SYSTEM FOR MEASURING THE TEMPERATURE OF THE SYNGAS LEAVING A REFORMING TUBE [patent_app_type] => utility [patent_app_number] => 18/034485 [patent_app_country] => US [patent_app_date] => 2021-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18034485 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/034485
SYSTEM FOR MEASURING THE TEMPERATURE OF THE SYNGAS LEAVING A REFORMING TUBE Oct 19, 2021 Pending
Array ( [id] => 17844007 [patent_doc_number] => 11433352 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-06 [patent_title] => Apparatus and method for oxidizing fluid mixtures using porous and non-porous heat exchangers [patent_app_type] => utility [patent_app_number] => 17/451296 [patent_app_country] => US [patent_app_date] => 2021-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7633 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17451296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/451296
Apparatus and method for oxidizing fluid mixtures using porous and non-porous heat exchangers Oct 17, 2021 Issued
Array ( [id] => 18134656 [patent_doc_number] => 11560309 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Process and reactor comprising a plurality of catalyst receptacles [patent_app_type] => utility [patent_app_number] => 17/501322 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 8337 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17501322 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/501322
Process and reactor comprising a plurality of catalyst receptacles Oct 13, 2021 Issued
Array ( [id] => 18028088 [patent_doc_number] => 11511250 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Method and apparatus for preparing composite [patent_app_type] => utility [patent_app_number] => 17/496091 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7107 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496091 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496091
Method and apparatus for preparing composite Oct 6, 2021 Issued
Array ( [id] => 18635196 [patent_doc_number] => 11759769 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Exhaust gas purification device [patent_app_type] => utility [patent_app_number] => 17/495881 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9516 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17495881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/495881
Exhaust gas purification device Oct 6, 2021 Issued
Array ( [id] => 17519371 [patent_doc_number] => 20220105219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => Door Handle Sanitizer [patent_app_type] => utility [patent_app_number] => 17/494731 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3497 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17494731 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/494731
Door Handle Sanitizer Oct 4, 2021 Abandoned
Array ( [id] => 18769808 [patent_doc_number] => 20230364578 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => REACTOR AND METHOD FOR PRODUCING A PRODUCT AND USE [patent_app_type] => utility [patent_app_number] => 18/247238 [patent_app_country] => US [patent_app_date] => 2021-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2745 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18247238 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/247238
REACTOR AND METHOD FOR PRODUCING A PRODUCT AND USE Sep 28, 2021 Pending
Array ( [id] => 20663931 [patent_doc_number] => 12605685 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Compacting elements for reducing fluidisation in catalyst carrier for tubular reactors and associated methods [patent_app_type] => utility [patent_app_number] => 18/040550 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [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] => 18040550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040550
Compacting elements for reducing fluidisation in catalyst carrier for tubular reactors and associated methods Sep 23, 2021 Issued
Array ( [id] => 19930688 [patent_doc_number] => 12303882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Methods and apparatus for installation and removal of catalyst carriers [patent_app_type] => utility [patent_app_number] => 18/040228 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 23 [patent_no_of_words] => 16086 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18040228 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/040228
Methods and apparatus for installation and removal of catalyst carriers Sep 23, 2021 Issued
Array ( [id] => 20881572 [patent_doc_number] => 12697594 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-04 [patent_title] => Or relating to catalyst carriers for tubular reactors and associated methods [patent_app_type] => utility [patent_app_number] => 18/041483 [patent_app_country] => US [patent_app_date] => 2021-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [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] => 18041483 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041483
IMPROVEMENTS IN OR RELATING TO CATALYST CARRIERS FOR TUBULAR REACTORS AND ASSOCATED METHODS Sep 23, 2021 Pending
Array ( [id] => 18272326 [patent_doc_number] => 20230093568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => A Continuous Type Process Method to Increase the Rate of Reaction Between Solids, Liquids, And Gasses Per Area of the Land Occupied by Two Reactors [patent_app_type] => utility [patent_app_number] => 17/909393 [patent_app_country] => US [patent_app_date] => 2021-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17909393 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/909393
A Continuous Type Process Method to Increase the Rate of Reaction Between Solids, Liquids, And Gasses Per Area of the Land Occupied by Two Reactors Sep 22, 2021 Abandoned
Array ( [id] => 18649710 [patent_doc_number] => 20230295529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => WASTE TREATMENT SYSTEM AND METHOD USING ENERGY RECIRCULATION TECHNIQUES [patent_app_type] => utility [patent_app_number] => 18/041590 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12967 [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] => 18041590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041590
Waste treatment system and method using energy recirculation techniques Sep 9, 2021 Issued
Array ( [id] => 18691407 [patent_doc_number] => 20230321623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => TUBULAR REACTORS [patent_app_type] => utility [patent_app_number] => 18/024464 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18024464 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024464
TUBULAR REACTORS Sep 1, 2021 Pending
Array ( [id] => 17503592 [patent_doc_number] => 20220096694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => ELECTRONIC DEVICE WITH ANTIBACTERIAL EFFECT DETECTION AND PORTABLE DEVICE [patent_app_type] => utility [patent_app_number] => 17/464089 [patent_app_country] => US [patent_app_date] => 2021-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3402 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17464089 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464089
Electronic device with antibacterial effect detection and portable device Aug 31, 2021 Issued
Array ( [id] => 17881600 [patent_doc_number] => 20220297077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => CARBON COMPOUND MANUFACTURING SYSTEM AND METHOD OF CONTROLLING CARBON COMPOUND MANUFACTURING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/446502 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14008 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17446502 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/446502
Carbon compound manufacturing system and method of controlling carbon compound manufacturing system Aug 30, 2021 Issued
Array ( [id] => 18229916 [patent_doc_number] => 20230068910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => REMOTE SUBLIMINATION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/460150 [patent_app_country] => US [patent_app_date] => 2021-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11478 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17460150 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/460150
Remote sublimination apparatus Aug 26, 2021 Issued
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