Search

Lessanework T. Seifu

Examiner (ID: 6076, Phone: (571)270-3153 , Office: P/1774 )

Most Active Art Unit
1774
Art Unit(s)
1774, 1709, 1797
Total Applications
1378
Issued Applications
1086
Pending Applications
91
Abandoned Applications
234

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19368244 [patent_doc_number] => 12060313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Urea production process and plant with parallel MP units [patent_app_type] => utility [patent_app_number] => 18/007232 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 9674 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [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] => 18007232 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007232
Urea production process and plant with parallel MP units Feb 21, 2022 Issued
Array ( [id] => 19930611 [patent_doc_number] => 12303804 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Flow cell horn and method of tuning [patent_app_type] => utility [patent_app_number] => 17/677342 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17677342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/677342
Flow cell horn and method of tuning Feb 21, 2022 Issued
Array ( [id] => 17775396 [patent_doc_number] => 20220241745 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => APPARATUS FOR ENCLOSING A CHEMICAL LOOPING PROCESS [patent_app_type] => utility [patent_app_number] => 17/587736 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587736 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587736
Apparatus for enclosing a chemical looping process Jan 27, 2022 Issued
Array ( [id] => 18610981 [patent_doc_number] => 20230277711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => APPARATUS AND METHOD FOR DIFFUSING A LIQUID COMPOSITION [patent_app_type] => utility [patent_app_number] => 17/584353 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17584353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/584353
Apparatus and method for diffusing a liquid composition Jan 24, 2022 Issued
Array ( [id] => 17881288 [patent_doc_number] => 20220296765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => Photocatalytic Odor Control and Destruction Device [patent_app_type] => utility [patent_app_number] => 17/583174 [patent_app_country] => US [patent_app_date] => 2022-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17583174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583174
Photocatalytic Odor Control and Destruction Device Jan 23, 2022 Abandoned
Array ( [id] => 18996113 [patent_doc_number] => 11912944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => System and method for desulfurization of hydrocarbon fuels [patent_app_type] => utility [patent_app_number] => 17/578327 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5808 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17578327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/578327
System and method for desulfurization of hydrocarbon fuels Jan 17, 2022 Issued
Array ( [id] => 17748592 [patent_doc_number] => 20220226795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => REACTOR [patent_app_type] => utility [patent_app_number] => 17/574992 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15079 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17574992 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/574992
Reactor for synthesizing methanol or other products Jan 12, 2022 Issued
Array ( [id] => 17733648 [patent_doc_number] => 20220219107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => GAS EVACUATION DEVICE [patent_app_type] => utility [patent_app_number] => 17/572168 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572168
GAS EVACUATION DEVICE Jan 9, 2022 Pending
Array ( [id] => 17562099 [patent_doc_number] => 20220126248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => Bi-Modal Radial Flow Reactor [patent_app_type] => utility [patent_app_number] => 17/568957 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17568957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/568957
Bi-modal radial flow reactor Jan 4, 2022 Issued
Array ( [id] => 18467116 [patent_doc_number] => 20230201397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => HEALTH SYSTEM OF FARM AND CONSTRUCTION EQUIPMENT [patent_app_type] => utility [patent_app_number] => 17/562673 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9039 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17562673 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/562673
HEALTH SYSTEM OF FARM AND CONSTRUCTION EQUIPMENT Dec 26, 2021 Abandoned
Array ( [id] => 17685991 [patent_doc_number] => 20220193283 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => SPACED APART STERILIZATION LIGHTS IN AN AIRCRAFT CABIN [patent_app_type] => utility [patent_app_number] => 17/558901 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11198 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17558901 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/558901
Spaced apart sterilization lights in an aircraft cabin Dec 21, 2021 Issued
Array ( [id] => 17533480 [patent_doc_number] => 20220112089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => Producing Burnt End Products from Natural, Carbonate-Containing, Granular Materials as Starting Raw Materials [patent_app_type] => utility [patent_app_number] => 17/556856 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6152 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 17556856 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/556856
Producing Burnt End Products from Natural, Carbonate-Containing, Granular Materials as Starting Raw Materials Dec 19, 2021 Pending
Array ( [id] => 18716834 [patent_doc_number] => 11794159 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Process and apparatus for contacting feed and catalyst with improved catalyst mixing [patent_app_type] => utility [patent_app_number] => 17/553717 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6560 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17553717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/553717
Process and apparatus for contacting feed and catalyst with improved catalyst mixing Dec 15, 2021 Issued
Array ( [id] => 18829986 [patent_doc_number] => 20230398510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CARBON NANOTUBE MANUFACTURING APPARATUS AND MANUFACTURING METHOD [patent_app_type] => utility [patent_app_number] => 18/027595 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18027595 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/027595
CARBON NANOTUBE MANUFACTURING APPARATUS AND MANUFACTURING METHOD Dec 9, 2021 Pending
Array ( [id] => 19503894 [patent_doc_number] => 12115292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Scent dispenser [patent_app_type] => utility [patent_app_number] => 17/536220 [patent_app_country] => US [patent_app_date] => 2021-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 24 [patent_no_of_words] => 5733 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17536220 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/536220
Scent dispenser Nov 28, 2021 Issued
Array ( [id] => 19968683 [patent_doc_number] => 12337268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Xylose hydrolysate decolorization and filtration device and decolorization and filtration method using same [patent_app_type] => utility [patent_app_number] => 17/456256 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 797 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17456256 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/456256
Xylose hydrolysate decolorization and filtration device and decolorization and filtration method using same Nov 22, 2021 Issued
Array ( [id] => 18491694 [patent_doc_number] => 11697099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Direct electrical heating of catalytic reactive system [patent_app_type] => utility [patent_app_number] => 17/532571 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8089 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532571 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532571
Direct electrical heating of catalytic reactive system Nov 21, 2021 Issued
Array ( [id] => 17613050 [patent_doc_number] => 20220155330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => DILUENT PREPARATION MODULE [patent_app_type] => utility [patent_app_number] => 17/531519 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17531519 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531519
Diluent preparation module Nov 18, 2021 Issued
Array ( [id] => 17611800 [patent_doc_number] => 20220154079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => INTEGRATED SYSTEM OF BIOMASS TO RENEWABLE NATURAL GAS TO METHANOL, AND OTHER VALUE ADDED PRODUCTS [patent_app_type] => utility [patent_app_number] => 17/531579 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17531579 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531579
Integrated system of biomass to renewable natural gas to methanol, and other value added products Nov 18, 2021 Issued
Array ( [id] => 20115275 [patent_doc_number] => 12364961 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Multiplex synthesis method of compound library and parallel synthesizer of compound library using same [patent_app_type] => utility [patent_app_number] => 17/527280 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 64 [patent_figures_cnt] => 68 [patent_no_of_words] => 7031 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [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] => 17527280 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/527280
Multiplex synthesis method of compound library and parallel synthesizer of compound library using same Nov 15, 2021 Issued
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