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] => 17256908 [patent_doc_number] => 20210369893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => SANITATION ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/332711 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1502 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17332711 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/332711
SANITATION ASSEMBLY May 26, 2021 Abandoned
Array ( [id] => 18484054 [patent_doc_number] => 20230211358 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => REACTOR SPARGER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/924061 [patent_app_country] => US [patent_app_date] => 2021-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5482 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17924061 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/924061
REACTOR SPARGER ASSEMBLY May 26, 2021 Pending
Array ( [id] => 19290488 [patent_doc_number] => 12029827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Sterilizing apparatus [patent_app_type] => utility [patent_app_number] => 17/328067 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6451 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17328067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/328067
Sterilizing apparatus May 23, 2021 Issued
Array ( [id] => 17611264 [patent_doc_number] => 20220153543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => DEVICE FOR FILLING A CONTAINER WITH PARTICULATE MATERIAL [patent_app_type] => utility [patent_app_number] => 17/328682 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17328682 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/328682
Device for filling a container with particulate material May 23, 2021 Issued
Array ( [id] => 17242053 [patent_doc_number] => 20210361796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => SANITIZING SYSTEM FOR SANITIZING DEVICES AND METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/326431 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17326431 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/326431
SANITIZING SYSTEM FOR SANITIZING DEVICES AND METHOD THEREFOR May 20, 2021 Abandoned
Array ( [id] => 20451908 [patent_doc_number] => 12514952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Positive and negative oxygen ion air purification system using dielectric barrier discharge for rail transport [patent_app_type] => utility [patent_app_number] => 17/925544 [patent_app_country] => US [patent_app_date] => 2021-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17925544 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925544
Positive and negative oxygen ion air purification system using dielectric barrier discharge for rail transport May 13, 2021 Issued
Array ( [id] => 18566083 [patent_doc_number] => 20230256411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => A PRE-HYDROLYSIS PRESSURE VESSEL SYSTEM COMPRISING A CLEANING ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/008858 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18008858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/008858
A PRE-HYDROLYSIS PRESSURE VESSEL SYSTEM COMPRISING A CLEANING ARRANGEMENT May 9, 2021 Pending
Array ( [id] => 18566083 [patent_doc_number] => 20230256411 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => A PRE-HYDROLYSIS PRESSURE VESSEL SYSTEM COMPRISING A CLEANING ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/008858 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18008858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/008858
A PRE-HYDROLYSIS PRESSURE VESSEL SYSTEM COMPRISING A CLEANING ARRANGEMENT May 9, 2021 Pending
Array ( [id] => 17213223 [patent_doc_number] => 20210346559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => Purification and Sanitization Using Directed Energy [patent_app_type] => utility [patent_app_number] => 17/313351 [patent_app_country] => US [patent_app_date] => 2021-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17313351 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/313351
Purification and Sanitization Using Directed Energy May 5, 2021 Abandoned
Array ( [id] => 17988945 [patent_doc_number] => 20220354982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => AUTOMATED METHOD FOR IMPLEMENTING UV-C LIGHT FOR AIR PURIFICATION IN HOTEL ROOMS [patent_app_type] => utility [patent_app_number] => 17/307331 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2787 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307331 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307331
AUTOMATED METHOD FOR IMPLEMENTING UV-C LIGHT FOR AIR PURIFICATION IN HOTEL ROOMS May 3, 2021 Abandoned
Array ( [id] => 17199142 [patent_doc_number] => 20210339236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => SYSTEM FOR IONIC LIQUID CATALYST REGENERATION [patent_app_type] => utility [patent_app_number] => 17/245475 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17245475 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/245475
System for ionic liquid catalyst regeneration Apr 29, 2021 Issued
Array ( [id] => 17473307 [patent_doc_number] => 20220080811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => HAND SANITIZER, AIR PURIFICATION, AND FOGGER VEHICLE MOUNT [patent_app_type] => utility [patent_app_number] => 17/246158 [patent_app_country] => US [patent_app_date] => 2021-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4317 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 17246158 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/246158
Hand sanitizer, air purification, and fogger vehicle mount Apr 29, 2021 Issued
Array ( [id] => 18404882 [patent_doc_number] => 20230166233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => ELECTROMECHANICALLY DRIVEN OSCILLATORY FLOW IN FLUIDIC SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/921956 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/921956
ELECTROMECHANICALLY DRIVEN OSCILLATORY FLOW IN FLUIDIC SYSTEMS Apr 27, 2021 Pending
Array ( [id] => 17570182 [patent_doc_number] => 11318437 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-05-03 [patent_title] => Controlling contamination in hydrogen production from water-reactive aluminum [patent_app_type] => utility [patent_app_number] => 17/243528 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10996 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17243528 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/243528
Controlling contamination in hydrogen production from water-reactive aluminum Apr 27, 2021 Issued
Array ( [id] => 18404882 [patent_doc_number] => 20230166233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => ELECTROMECHANICALLY DRIVEN OSCILLATORY FLOW IN FLUIDIC SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/921956 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12590 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/921956
ELECTROMECHANICALLY DRIVEN OSCILLATORY FLOW IN FLUIDIC SYSTEMS Apr 27, 2021 Pending
Array ( [id] => 18510403 [patent_doc_number] => 20230226511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => Reactor and Method for Carrying out a Chemical Reaction [patent_app_type] => utility [patent_app_number] => 17/996525 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996525
Reactor and method for carrying out a chemical reaction Apr 21, 2021 Issued
Array ( [id] => 18510403 [patent_doc_number] => 20230226511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => Reactor and Method for Carrying out a Chemical Reaction [patent_app_type] => utility [patent_app_number] => 17/996525 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8457 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996525 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996525
Reactor and method for carrying out a chemical reaction Apr 21, 2021 Issued
Array ( [id] => 18484001 [patent_doc_number] => 20230211305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => Reactor and Method for Carrying out a Chemical Reaction [patent_app_type] => utility [patent_app_number] => 17/996523 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996523 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996523
Reactor and method for carrying out a chemical reaction Apr 21, 2021 Issued
Array ( [id] => 18484001 [patent_doc_number] => 20230211305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => Reactor and Method for Carrying out a Chemical Reaction [patent_app_type] => utility [patent_app_number] => 17/996523 [patent_app_country] => US [patent_app_date] => 2021-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17996523 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/996523
Reactor and method for carrying out a chemical reaction Apr 21, 2021 Issued
Array ( [id] => 18315009 [patent_doc_number] => 11629078 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-18 [patent_title] => Free chlorine maintained systems [patent_app_type] => utility [patent_app_number] => 17/300204 [patent_app_country] => US [patent_app_date] => 2021-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 14124 [patent_no_of_claims] => 4 [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] => 17300204 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/300204
Free chlorine maintained systems Apr 11, 2021 Issued
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