Search

Lessanework T. Seifu

Examiner (ID: 9117, Phone: (571)270-3153 , Office: P/1774 )

Most Active Art Unit
1774
Art Unit(s)
1797, 1774, 1709
Total Applications
1393
Issued Applications
1102
Pending Applications
80
Abandoned Applications
234

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18070787 [patent_doc_number] => 11529604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Method and device for improving the efficiency of treating fluids applied to a UV reactor [patent_app_type] => utility [patent_app_number] => 17/049923 [patent_app_country] => US [patent_app_date] => 2019-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6065 [patent_no_of_claims] => 13 [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] => 17049923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/049923
Method and device for improving the efficiency of treating fluids applied to a UV reactor Apr 22, 2019 Issued
Array ( [id] => 15280479 [patent_doc_number] => 10512890 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-12-24 [patent_title] => Apparatus for mixing materials which have a high mix proportion/ratio therebetween and preparation production system using the same [patent_app_type] => utility [patent_app_number] => 16/391503 [patent_app_country] => US [patent_app_date] => 2019-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4604 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16391503 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/391503
Apparatus for mixing materials which have a high mix proportion/ratio therebetween and preparation production system using the same Apr 22, 2019 Issued
Array ( [id] => 14991557 [patent_doc_number] => 20190314736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => STRUCTURED PACKING FOR CATALYTIC DISTILLATION [patent_app_type] => utility [patent_app_number] => 16/381432 [patent_app_country] => US [patent_app_date] => 2019-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7072 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16381432 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/381432
Structured packing for catalytic distillation Apr 10, 2019 Issued
Array ( [id] => 14652315 [patent_doc_number] => 20190233286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => TARGET HOLDERS, MULTIPLE-INCIDENCE ANGLE, AND MULTIZONE HEATING FOR BNNT SYNTHESIS [patent_app_type] => utility [patent_app_number] => 16/379507 [patent_app_country] => US [patent_app_date] => 2019-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16379507 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/379507
Target holders, multiple-incidence angle, and multizone heating for BNNT synthesis Apr 8, 2019 Issued
Array ( [id] => 14834177 [patent_doc_number] => 20190275489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => APPARATUS FOR MANUFACTURING AEROGEL SHEET [patent_app_type] => utility [patent_app_number] => 16/375438 [patent_app_country] => US [patent_app_date] => 2019-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16375438 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/375438
Apparatus for manufacturing aerogel sheet Apr 3, 2019 Issued
Array ( [id] => 14946469 [patent_doc_number] => 10434484 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-08 [patent_title] => Stacked zone vertical tubular reactor [patent_app_type] => utility [patent_app_number] => 16/369695 [patent_app_country] => US [patent_app_date] => 2019-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5475 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16369695 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/369695
Stacked zone vertical tubular reactor Mar 28, 2019 Issued
Array ( [id] => 16351895 [patent_doc_number] => 10792388 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-10-06 [patent_title] => Developed safety portable incense heater [patent_app_type] => utility [patent_app_number] => 16/367261 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 1530 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16367261 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/367261
Developed safety portable incense heater Mar 27, 2019 Issued
Array ( [id] => 17664437 [patent_doc_number] => 11358115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Multi-channel distillation column packing [patent_app_type] => utility [patent_app_number] => 16/367366 [patent_app_country] => US [patent_app_date] => 2019-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9669 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [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] => 16367366 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/367366
Multi-channel distillation column packing Mar 27, 2019 Issued
Array ( [id] => 16955139 [patent_doc_number] => 11058968 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-13 [patent_title] => Salt removal and transport system and method for use in a mono ethylene glycol reclamation process [patent_app_type] => utility [patent_app_number] => 16/366130 [patent_app_country] => US [patent_app_date] => 2019-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2819 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16366130 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/366130
Salt removal and transport system and method for use in a mono ethylene glycol reclamation process Mar 26, 2019 Issued
Array ( [id] => 18779931 [patent_doc_number] => 11821637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating [patent_app_type] => utility [patent_app_number] => 17/053043 [patent_app_country] => US [patent_app_date] => 2019-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4354 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 932 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053043 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053043
Energy-saving system using electric heat pump to deeply recover flue gas waste heat from heat power plant for district heating Mar 24, 2019 Issued
Array ( [id] => 15915085 [patent_doc_number] => 10654771 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Selective poisoning of aromatization catalysts to increase catalyst activity and selectivity [patent_app_type] => utility [patent_app_number] => 16/362758 [patent_app_country] => US [patent_app_date] => 2019-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 15648 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16362758 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/362758
Selective poisoning of aromatization catalysts to increase catalyst activity and selectivity Mar 24, 2019 Issued
Array ( [id] => 15382351 [patent_doc_number] => 10532338 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-14 [patent_title] => Shell and tube oxidation reactor with improved resistance to fouling [patent_app_type] => utility [patent_app_number] => 16/297855 [patent_app_country] => US [patent_app_date] => 2019-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 28503 [patent_no_of_claims] => 27 [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] => 16297855 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/297855
Shell and tube oxidation reactor with improved resistance to fouling Mar 10, 2019 Issued
Array ( [id] => 14532491 [patent_doc_number] => 20190201866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => PRODUCTION OF METAL-ORGANIC FRAMEWORKS [patent_app_type] => utility [patent_app_number] => 16/297413 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16297413 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/297413
Production of metal-organic frameworks Mar 7, 2019 Issued
Array ( [id] => 16061311 [patent_doc_number] => 10689590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-23 [patent_title] => Refining assemblies and refining methods for rich natural gas [patent_app_type] => utility [patent_app_number] => 16/287482 [patent_app_country] => US [patent_app_date] => 2019-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 27 [patent_no_of_words] => 25839 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16287482 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/287482
Refining assemblies and refining methods for rich natural gas Feb 26, 2019 Issued
Array ( [id] => 15130711 [patent_doc_number] => 10478794 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-11-19 [patent_title] => Bi-modal radial flow reactor [patent_app_type] => utility [patent_app_number] => 16/285393 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 15305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16285393 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/285393
Bi-modal radial flow reactor Feb 25, 2019 Issued
Array ( [id] => 18044749 [patent_doc_number] => 11518690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Submerged plasma generator and application comprising same [patent_app_type] => utility [patent_app_number] => 17/058132 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 15432 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17058132 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/058132
Submerged plasma generator and application comprising same Feb 21, 2019 Issued
Array ( [id] => 17814582 [patent_doc_number] => 11420172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Jacketed vessel [patent_app_type] => utility [patent_app_number] => 16/771575 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 9023 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16771575 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/771575
Jacketed vessel Feb 14, 2019 Issued
Array ( [id] => 16620408 [patent_doc_number] => 20210039061 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => CONSTANT SHEAR CONTINUOUS REACTOR DEVICE [patent_app_type] => utility [patent_app_number] => 16/966511 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20882 [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] => 16966511 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/966511
Constant shear continuous reactor device Feb 14, 2019 Issued
Array ( [id] => 15976279 [patent_doc_number] => 10668442 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-06-02 [patent_title] => Hydroprocessing reactor internals having reduced height [patent_app_type] => utility [patent_app_number] => 16/270053 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5245 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16270053 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/270053
Hydroprocessing reactor internals having reduced height Feb 6, 2019 Issued
Array ( [id] => 15632551 [patent_doc_number] => 10589244 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-03-17 [patent_title] => Hydroprocessing reactor internals having reduced height [patent_app_type] => utility [patent_app_number] => 16/270047 [patent_app_country] => US [patent_app_date] => 2019-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5854 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16270047 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/270047
Hydroprocessing reactor internals having reduced height Feb 6, 2019 Issued
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