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] => 17459195 [patent_doc_number] => 20220072499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => METHOD FOR MONITORING AND CONTROLLING A POLYMERIZATION PROCESS [patent_app_type] => utility [patent_app_number] => 17/424382 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424382 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424382
Method for monitoring and controlling a polymerization process Jan 20, 2020 Issued
Array ( [id] => 16755631 [patent_doc_number] => 10974163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-13 [patent_title] => Structured packing for catalytic distillation [patent_app_type] => utility [patent_app_number] => 16/747352 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 7099 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16747352 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/747352
Structured packing for catalytic distillation Jan 19, 2020 Issued
Array ( [id] => 16976553 [patent_doc_number] => 20210220790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => FLUIDIZED BED REACTOR [patent_app_type] => utility [patent_app_number] => 17/053944 [patent_app_country] => US [patent_app_date] => 2020-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17053944 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/053944
Fluidized bed reactor Jan 19, 2020 Issued
Array ( [id] => 16207023 [patent_doc_number] => 20200240013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => STIRRED BED REACTOR [patent_app_type] => utility [patent_app_number] => 16/745223 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10921 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16745223 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/745223
STIRRED BED REACTOR Jan 15, 2020 Abandoned
Array ( [id] => 17562102 [patent_doc_number] => 20220126251 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => USE OF RENEWABLE ENERGY IN THE PRODUCTION OF CHEMICALS [patent_app_type] => utility [patent_app_number] => 17/310076 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17310076 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/310076
Use of renewable energy in the production of chemicals Jan 13, 2020 Issued
Array ( [id] => 17481050 [patent_doc_number] => 20220088554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => NOZZLE, SOLID MATTER UNLOADING DEVICE, SOLID MATTER UNLOADING SYSTEM, AND SOLID MATTER UNLOADING METHOD [patent_app_type] => utility [patent_app_number] => 17/422920 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17422920 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/422920
Nozzle, solid matter unloading device, solid matter unloading system, and solid matter unloading method Jan 7, 2020 Issued
Array ( [id] => 17481055 [patent_doc_number] => 20220088559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => MANUFACTURING FACILITY [patent_app_type] => utility [patent_app_number] => 17/420304 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17420304 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/420304
Manufacturing facility Jan 6, 2020 Issued
Array ( [id] => 16368112 [patent_doc_number] => 10799848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Reactor for hydrothermal growth of structured materials [patent_app_type] => utility [patent_app_number] => 16/725660 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 30 [patent_no_of_words] => 7253 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16725660 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/725660
Reactor for hydrothermal growth of structured materials Dec 22, 2019 Issued
Array ( [id] => 17398574 [patent_doc_number] => 20220040664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => Reactor for the Conversion of Carbon Dioxide [patent_app_type] => utility [patent_app_number] => 17/416225 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416225 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416225
Reactor for the conversion of carbon dioxide Dec 19, 2019 Issued
Array ( [id] => 17442337 [patent_doc_number] => 20220062842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => DEVICE AND METHOD FOR COMPENSATING SHORT-TERM PRESSURE OR VOLUME FLUCTUATIONS OF A MEDIUM IN A CONTINUOUS BIOPHARMACEUTICAL PROCESS [patent_app_type] => utility [patent_app_number] => 17/419572 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4288 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17419572 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419572
Device and method for compensating short-term pressure or volume fluctuations of a medium in a continuous biopharmaceutical process Dec 18, 2019 Issued
Array ( [id] => 17384392 [patent_doc_number] => 20220032244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => FLOW DISTRIBUTOR AND REACTOR USING SUCH FLOW DISTRIBUTOR [patent_app_type] => utility [patent_app_number] => 17/309703 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5961 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17309703 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/309703
FLOW DISTRIBUTOR AND REACTOR USING SUCH FLOW DISTRIBUTOR Dec 17, 2019 Abandoned
Array ( [id] => 19702357 [patent_doc_number] => 12196374 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Apparatus and system for gas compression and the method for compression of a gas [patent_app_type] => utility [patent_app_number] => 17/415097 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7917 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17415097 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/415097
Apparatus and system for gas compression and the method for compression of a gas Dec 16, 2019 Issued
Array ( [id] => 16012401 [patent_doc_number] => 20200181043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => SYSTEM FOR PRODUCING 1,3-BUTADIENE AND METHOD OF PRODUCING 1,3-BUTADIENE USING THE SYSTEM [patent_app_type] => utility [patent_app_number] => 16/707384 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16707384 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/707384
System for producing 1,3-butadiene and method of producing 1,3-butadiene using the system Dec 8, 2019 Issued
Array ( [id] => 17426991 [patent_doc_number] => 20220054699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => INFECTION PREVENTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/417229 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417229 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417229
Infection preventing device Dec 5, 2019 Issued
Array ( [id] => 17790912 [patent_doc_number] => 20220250003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => INHIBITOR REMOVAL SYSTEM FOR SENSOR DETECTION [patent_app_type] => utility [patent_app_number] => 17/617542 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5251 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17617542 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/617542
INHIBITOR REMOVAL SYSTEM FOR SENSOR DETECTION Dec 5, 2019 Abandoned
Array ( [id] => 15738963 [patent_doc_number] => 20200108369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => PRODUCTION OF METAL-ORGANIC FRAMEWORKS [patent_app_type] => utility [patent_app_number] => 16/705367 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16705367 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/705367
Production of metal-organic frameworks Dec 5, 2019 Issued
Array ( [id] => 16870364 [patent_doc_number] => 20210163831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => METHODS AND SYSTEMS OF STEAM STRIPPING A HYDROCRACKING FEEDSTOCK [patent_app_type] => utility [patent_app_number] => 16/701983 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16701983 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/701983
Methods and systems of steam stripping a hydrocracking feedstock Dec 2, 2019 Issued
Array ( [id] => 16870364 [patent_doc_number] => 20210163831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => METHODS AND SYSTEMS OF STEAM STRIPPING A HYDROCRACKING FEEDSTOCK [patent_app_type] => utility [patent_app_number] => 16/701983 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16701983 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/701983
Methods and systems of steam stripping a hydrocracking feedstock Dec 2, 2019 Issued
Array ( [id] => 16870365 [patent_doc_number] => 20210163832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => PROCESSING FACILITY TO FORM HYDROGEN AND PETROCHEMICALS [patent_app_type] => utility [patent_app_number] => 16/701715 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16701715 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/701715
Processing facility to form hydrogen and petrochemicals Dec 2, 2019 Issued
Array ( [id] => 17199121 [patent_doc_number] => 20210339215 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => PROCESS FOR PROVIDING A HOMOGENOUS SLURRY CONTAINING PARTICLES [patent_app_type] => utility [patent_app_number] => 17/271629 [patent_app_country] => US [patent_app_date] => 2019-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3446 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17271629 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/271629
Process for providing a homogenous slurry containing particles Nov 27, 2019 Issued
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