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] => 18611267 [patent_doc_number] => 20230277998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions [patent_app_type] => utility [patent_app_number] => 18/101376 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12723 [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] => 18101376 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101376
Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions Jan 24, 2023 Pending
Array ( [id] => 19002425 [patent_doc_number] => 20240066496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions [patent_app_type] => utility [patent_app_number] => 18/101367 [patent_app_country] => US [patent_app_date] => 2023-01-25 [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] => -8 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18101367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101367
Metal Supported Powder Catalyst Matrix and Processes for Multiphase Chemical Reactions Jan 24, 2023 Pending
Array ( [id] => 19559744 [patent_doc_number] => 20240371536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => METHODS AND SYSTEMS FOR EXTRACTING, SOLIDIFICATION AND DEGASSING OF RADIOACTIVE ISOTOPES FROM SPENT ION EXCHANGE RESINS [patent_app_type] => utility [patent_app_number] => 18/257627 [patent_app_country] => US [patent_app_date] => 2023-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18257627 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257627
METHODS AND SYSTEMS FOR EXTRACTING, SOLIDIFICATION AND DEGASSING OF RADIOACTIVE ISOTOPES FROM SPENT ION EXCHANGE RESINS Jan 19, 2023 Pending
Array ( [id] => 20895477 [patent_doc_number] => 12702725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-11 [patent_title] => Mobile disinfection apparatuses having visual marker detection systems and methods of their use [patent_app_type] => utility [patent_app_number] => 18/096999 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 31259 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18096999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/096999
Mobile Disinfection Apparatuses Having Visual Marker Detection Systems And Methods Of Their Use Jan 12, 2023 Pending
Array ( [id] => 18497627 [patent_doc_number] => 20230220288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => CIRCULATION CONTROL IN DUAL BED GASIFIERS [patent_app_type] => utility [patent_app_number] => 18/153874 [patent_app_country] => US [patent_app_date] => 2023-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14222 [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] => 18153874 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/153874
CIRCULATION CONTROL IN DUAL BED GASIFIERS Jan 11, 2023 Pending
Array ( [id] => 18496476 [patent_doc_number] => 20230219051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-13 [patent_title] => FUEL SYNTHESIS DEVICE [patent_app_type] => utility [patent_app_number] => 18/152568 [patent_app_country] => US [patent_app_date] => 2023-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18152568 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/152568
Fuel synthesis device Jan 9, 2023 Issued
Array ( [id] => 18510406 [patent_doc_number] => 20230226514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => METHOD OF CHEMICAL REACTION IN A HEAT EXCHANGER REACTOR [patent_app_type] => utility [patent_app_number] => 18/094366 [patent_app_country] => US [patent_app_date] => 2023-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18094366 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/094366
METHOD OF CHEMICAL REACTION IN A HEAT EXCHANGER REACTOR Jan 7, 2023 Abandoned
Array ( [id] => 18362155 [patent_doc_number] => 20230143746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => ANTIMICROBIAL APPARATUS FOR TUBING [patent_app_type] => utility [patent_app_number] => 18/091103 [patent_app_country] => US [patent_app_date] => 2022-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18091103 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/091103
Antimicrobial apparatus for tubing Dec 28, 2022 Issued
Array ( [id] => 18484701 [patent_doc_number] => 20230212006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => STEAM METHANE REFORMING WITH PROCESS CARBON DIOXIDE CAPTURE AND AMMONIA FIRING [patent_app_type] => utility [patent_app_number] => 18/088502 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088502 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088502
STEAM METHANE REFORMING WITH PROCESS CARBON DIOXIDE CAPTURE AND AMMONIA FIRING Dec 22, 2022 Pending
Array ( [id] => 20743197 [patent_doc_number] => 12643080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-02 [patent_title] => Oligomeriser with an improved feed system [patent_app_type] => utility [patent_app_number] => 18/081732 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2069 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18081732 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081732
Oligomeriser with an improved feed system Dec 14, 2022 Issued
Array ( [id] => 18280031 [patent_doc_number] => 20230095503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => METHOD AND DEVICE FOR IMPROVING THE EFFICIENCY OF TREATING FLUIDS APPLIED TO A UV REACTOR [patent_app_type] => utility [patent_app_number] => 18/059221 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18059221 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059221
METHOD AND DEVICE FOR IMPROVING THE EFFICIENCY OF TREATING FLUIDS APPLIED TO A UV REACTOR Nov 27, 2022 Abandoned
Array ( [id] => 19299701 [patent_doc_number] => 20240228270 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => SYSTEMS AND METHODS TO PRODUCE HYDROGEN GAS FROM HYDROGEN SULFIDE [patent_app_type] => utility [patent_app_number] => 17/973006 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17973006 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/973006
Systems and methods to produce hydrogen gas from hydrogen sulfide Oct 24, 2022 Issued
Array ( [id] => 18364220 [patent_doc_number] => 20230145811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => Dense Loading System with Wave Loader [patent_app_type] => utility [patent_app_number] => 18/049578 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049578 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049578
Dense loading system with wave loader Oct 24, 2022 Issued
Array ( [id] => 19299701 [patent_doc_number] => 20240228270 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => SYSTEMS AND METHODS TO PRODUCE HYDROGEN GAS FROM HYDROGEN SULFIDE [patent_app_type] => utility [patent_app_number] => 17/973006 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17973006 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/973006
Systems and methods to produce hydrogen gas from hydrogen sulfide Oct 24, 2022 Issued
Array ( [id] => 18344625 [patent_doc_number] => 20230132735 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-04 [patent_title] => METHOD AND APPARATUS FOR PREPARATION OF ALKYLENE CARBONATE USING POLYAMINE-HETEROGENEOUS CATALYST [patent_app_type] => utility [patent_app_number] => 18/049085 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049085 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049085
METHOD AND APPARATUS FOR PREPARATION OF ALKYLENE CARBONATE USING POLYAMINE-HETEROGENEOUS CATALYST Oct 23, 2022 Pending
Array ( [id] => 20452563 [patent_doc_number] => 12515612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Hybrid inflator [patent_app_type] => utility [patent_app_number] => 17/969203 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 27 [patent_no_of_words] => 3571 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17969203 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969203
Hybrid inflator Oct 18, 2022 Issued
Array ( [id] => 18376663 [patent_doc_number] => 20230151750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => ELECTRICALLY HEATED FLUID TREATMENT SYSTEM FOR LOW AND HIGH VOLTAGE APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/962850 [patent_app_country] => US [patent_app_date] => 2022-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5516 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17962850 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/962850
ELECTRICALLY HEATED FLUID TREATMENT SYSTEM FOR LOW AND HIGH VOLTAGE APPLICATIONS Oct 9, 2022 Abandoned
Array ( [id] => 18177464 [patent_doc_number] => 20230038193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => METHOD FOR REDUCING ENERGY AND WATER DEMANDS OF SCRUBBING CO2 FROM CO2-LEAN WASTE GASES [patent_app_type] => utility [patent_app_number] => 17/937619 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17937619 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/937619
METHOD FOR REDUCING ENERGY AND WATER DEMANDS OF SCRUBBING CO2 FROM CO2-LEAN WASTE GASES Oct 2, 2022 Pending
Array ( [id] => 19947411 [patent_doc_number] => 12318749 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => System to convert cellulosic materials into sugar and method of using the same [patent_app_type] => utility [patent_app_number] => 17/955748 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1215 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17955748 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/955748
System to convert cellulosic materials into sugar and method of using the same Sep 28, 2022 Issued
Array ( [id] => 18299406 [patent_doc_number] => 20230109092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => System and Method for Synthesizing Carbon Nanotubes and Hybrid Materials Via Catalytic Chemical Deposition [patent_app_type] => utility [patent_app_number] => 17/954899 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17954899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/954899
System and Method for Synthesizing Carbon Nanotubes and Hybrid Materials Via Catalytic Chemical Deposition Sep 27, 2022 Pending
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