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] => 19504124 [patent_doc_number] => 12115526 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Process and apparatus for removing solid catalyst [patent_app_type] => utility [patent_app_number] => 17/917941 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 7275 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17917941 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917941
Process and apparatus for removing solid catalyst Apr 8, 2021 Issued
Array ( [id] => 18391106 [patent_doc_number] => 20230159324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => HYDROGEN RELEASE/STORAGE SYSTEM, HYDROGEN RELEASE/STORAGE METHOD, AMMONIA PRODUCTION EQUIPMENT, GAS TURBINE, FUEL CELL, AND STEEL MILL [patent_app_type] => utility [patent_app_number] => 17/917716 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17917716 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917716
HYDROGEN RELEASE/STORAGE SYSTEM, HYDROGEN RELEASE/STORAGE METHOD, AMMONIA PRODUCTION EQUIPMENT, GAS TURBINE, FUEL CELL, AND STEEL MILL Apr 7, 2021 Pending
Array ( [id] => 17368762 [patent_doc_number] => 20220023814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => TUBULAR REACTOR FOR SUPERCRITICAL WATER REACTION [patent_app_type] => utility [patent_app_number] => 17/222618 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17222618 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/222618
Tubular reactor for supercritical water reaction Apr 4, 2021 Issued
Array ( [id] => 16961913 [patent_doc_number] => 20210213412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => SYSTEM TO CONVERT CELLULOSIC MATERIALS INTO SUGAR AND METHOD OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/219435 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17219435 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219435
System to convert cellulosic materials into sugar and method of using the same Mar 30, 2021 Issued
Array ( [id] => 18390249 [patent_doc_number] => 20230158467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => Flameless Combustion Burner For An Endothermic Reaction Process [patent_app_type] => utility [patent_app_number] => 17/916020 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916020 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916020
Flameless Combustion Burner For An Endothermic Reaction Process Mar 29, 2021 Pending
Array ( [id] => 18390249 [patent_doc_number] => 20230158467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => Flameless Combustion Burner For An Endothermic Reaction Process [patent_app_type] => utility [patent_app_number] => 17/916020 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916020 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916020
Flameless Combustion Burner For An Endothermic Reaction Process Mar 29, 2021 Pending
Array ( [id] => 17895502 [patent_doc_number] => 20220305164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => STERILIZATION CASSETTE [patent_app_type] => utility [patent_app_number] => 17/211258 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211258 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211258
Sterilization cassette Mar 23, 2021 Issued
Array ( [id] => 17895490 [patent_doc_number] => 20220305152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => Device for Sanitizing Air Filtering Headwear [patent_app_type] => utility [patent_app_number] => 17/209216 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209216 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/209216
Device for Sanitizing Air Filtering Headwear Mar 22, 2021 Abandoned
Array ( [id] => 17814583 [patent_doc_number] => 11420173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Reaction analysis device, reaction analysis system, and reaction analysis method [patent_app_type] => utility [patent_app_number] => 17/207824 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 13460 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17207824 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/207824
Reaction analysis device, reaction analysis system, and reaction analysis method Mar 21, 2021 Issued
Array ( [id] => 18434813 [patent_doc_number] => 20230182107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => IMPROVED COOLING OF TUBE CONTAINING REACTANTS [patent_app_type] => utility [patent_app_number] => 17/912848 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17912848 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/912848
IMPROVED COOLING OF TUBE CONTAINING REACTANTS Mar 16, 2021 Pending
Array ( [id] => 18363265 [patent_doc_number] => 20230144856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => HIGH-TEMPERATURE SHOCK HEATING FOR THERMOCHEMICAL REACTIONS [patent_app_type] => utility [patent_app_number] => 17/911159 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22971 [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] => 17911159 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/911159
HIGH-TEMPERATURE SHOCK HEATING FOR THERMOCHEMICAL REACTIONS Mar 11, 2021 Pending
Array ( [id] => 18312790 [patent_doc_number] => 20230116690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Reactor and Method for Carrying Out a Chemical Reaction [patent_app_type] => utility [patent_app_number] => 17/906171 [patent_app_country] => US [patent_app_date] => 2021-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17906171 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/906171
Reactor and Method for Carrying Out a Chemical Reaction Mar 10, 2021 Pending
Array ( [id] => 19580142 [patent_doc_number] => 12146242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => System for producing carbon fibers from multipurpose commercial fibers [patent_app_type] => utility [patent_app_number] => 17/196964 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 14146 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17196964 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/196964
System for producing carbon fibers from multipurpose commercial fibers Mar 8, 2021 Issued
Array ( [id] => 19076370 [patent_doc_number] => 11945720 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Apparatus and method for generating nitric oxide in controlled and accurate amounts [patent_app_type] => utility [patent_app_number] => 17/190841 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9677 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 2 [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] => 17190841 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/190841
Apparatus and method for generating nitric oxide in controlled and accurate amounts Mar 2, 2021 Issued
Array ( [id] => 18013203 [patent_doc_number] => 11505485 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-22 [patent_title] => Apparatus and method for supercritical water oxidation [patent_app_type] => utility [patent_app_number] => 17/191021 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 6401 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17191021 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/191021
Apparatus and method for supercritical water oxidation Mar 2, 2021 Issued
Array ( [id] => 18996110 [patent_doc_number] => 11912941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Systems and methods for the manufacture of high melting hydrocarbons from coal [patent_app_type] => utility [patent_app_number] => 17/184495 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4584 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17184495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/184495
Systems and methods for the manufacture of high melting hydrocarbons from coal Feb 23, 2021 Issued
Array ( [id] => 18035065 [patent_doc_number] => 20220379280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => METHOD FOR OPERATING A FLUIDIZED BED APPARATUS AND FLUIDIZED BED APPARATUS [patent_app_type] => utility [patent_app_number] => 17/417372 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417372 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417372
Method for operating a fluidized bed apparatus and fluidized bed apparatus Feb 18, 2021 Issued
Array ( [id] => 17828581 [patent_doc_number] => 20220265885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => AIR TREATMENT DEVICE WITH SCENTED PAD MECHANISM [patent_app_type] => utility [patent_app_number] => 17/179497 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17179497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/179497
Air treatment device with scented pad mechanism Feb 18, 2021 Issued
Array ( [id] => 17805232 [patent_doc_number] => 20220257067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => Hand Sanitizing Station Apparatus [patent_app_type] => utility [patent_app_number] => 17/177829 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17177829 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/177829
Hand Sanitizing Station Apparatus Feb 16, 2021 Abandoned
Array ( [id] => 18963230 [patent_doc_number] => 11896970 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Gas and liquid distributor for bubble column reactor [patent_app_type] => utility [patent_app_number] => 17/799237 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3901 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17799237 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/799237
Gas and liquid distributor for bubble column reactor Feb 11, 2021 Issued
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