
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 16359798
[patent_doc_number] => 20200316549
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-10-08
[patent_title] => APPARATUS FOR PRODUCING WATER-ABSORBING RESIN PARTICLES
[patent_app_type] => utility
[patent_app_number] => 16/909145
[patent_app_country] => US
[patent_app_date] => 2020-06-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12071
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 127
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16909145
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/909145 | Apparatus for producing water-absorbing resin particles | Jun 22, 2020 | Issued |
Array
(
[id] => 17783854
[patent_doc_number] => 11406959
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-08-09
[patent_title] => Micro-interface strengthening reaction system and method for preparing polyethylene by using a solution process
[patent_app_type] => utility
[patent_app_number] => 17/617950
[patent_app_country] => US
[patent_app_date] => 2020-06-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 4902
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 578
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17617950
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/617950 | Micro-interface strengthening reaction system and method for preparing polyethylene by using a solution process | Jun 17, 2020 | Issued |
Array
(
[id] => 17291417
[patent_doc_number] => 20210387256
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-12-16
[patent_title] => METHOD AND EQUIPMENT FOR REMOVING ORGANIC BINDERS FROM GREEN BODIES
[patent_app_type] => utility
[patent_app_number] => 16/900881
[patent_app_country] => US
[patent_app_date] => 2020-06-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3406
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[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] => 16900881
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/900881 | METHOD AND EQUIPMENT FOR REMOVING ORGANIC BINDERS FROM GREEN BODIES | Jun 12, 2020 | Abandoned |
Array
(
[id] => 19353327
[patent_doc_number] => 12053753
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-08-06
[patent_title] => Apparatus and method for preparing aerogel blanket
[patent_app_type] => utility
[patent_app_number] => 17/416619
[patent_app_country] => US
[patent_app_date] => 2020-06-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 6539
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 340
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416619
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/416619 | Apparatus and method for preparing aerogel blanket | Jun 9, 2020 | Issued |
Array
(
[id] => 18854158
[patent_doc_number] => 11851721
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-12-26
[patent_title] => Device for continuously producing sugar by hydrolyzation using lignocellulosic raw material
[patent_app_type] => utility
[patent_app_number] => 16/894353
[patent_app_country] => US
[patent_app_date] => 2020-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 4954
[patent_no_of_claims] => 18
[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] => 16894353
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/894353 | Device for continuously producing sugar by hydrolyzation using lignocellulosic raw material | Jun 4, 2020 | Issued |
Array
(
[id] => 16710831
[patent_doc_number] => 20210077978
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-03-18
[patent_title] => MULTIFUNCTIONAL INTENSIFIED REACTOR DEVICE WITH INTEGRATED HEAT AND MASS TRANSFER
[patent_app_type] => utility
[patent_app_number] => 16/892949
[patent_app_country] => US
[patent_app_date] => 2020-06-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12405
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -22
[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] => 16892949
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/892949 | Multifunctional intensified reactor device with integrated heat and mass transfer | Jun 3, 2020 | Issued |
Array
(
[id] => 16482855
[patent_doc_number] => 20200376455
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-12-03
[patent_title] => INLET DIFFUSER FOR FIXED-BED REACTORS
[patent_app_type] => utility
[patent_app_number] => 16/890153
[patent_app_country] => US
[patent_app_date] => 2020-06-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5114
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 148
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16890153
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/890153 | Inlet diffuser for fixed-bed reactors | Jun 1, 2020 | Issued |
Array
(
[id] => 16985589
[patent_doc_number] => 11072747
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-07-27
[patent_title] => Fluid catalytic cracking process and apparatus for maximizing light olefin yield and other applications
[patent_app_type] => utility
[patent_app_number] => 16/888916
[patent_app_country] => US
[patent_app_date] => 2020-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 17233
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[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] => 16888916
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/888916 | Fluid catalytic cracking process and apparatus for maximizing light olefin yield and other applications | May 31, 2020 | Issued |
Array
(
[id] => 17193002
[patent_doc_number] => 11161739
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-11-02
[patent_title] => Process and reactor comprising a plurality of catalyst receptacles
[patent_app_type] => utility
[patent_app_number] => 16/886202
[patent_app_country] => US
[patent_app_date] => 2020-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 13
[patent_no_of_words] => 8315
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16886202
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/886202 | Process and reactor comprising a plurality of catalyst receptacles | May 27, 2020 | Issued |
Array
(
[id] => 17258320
[patent_doc_number] => 20210371305
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-12-02
[patent_title] => LIQUID TREATMENT APPARATUS
[patent_app_type] => utility
[patent_app_number] => 16/885300
[patent_app_country] => US
[patent_app_date] => 2020-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5300
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[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] => 16885300
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/885300 | Liquid treatment apparatus | May 27, 2020 | Issued |
Array
(
[id] => 16482860
[patent_doc_number] => 20200376460
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-12-03
[patent_title] => COMPARTMENTALIZED OLIGOMERIZATION REACTOR
[patent_app_type] => utility
[patent_app_number] => 16/884934
[patent_app_country] => US
[patent_app_date] => 2020-05-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5364
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 155
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16884934
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/884934 | Compartmentalized oligomerization reactor | May 26, 2020 | Issued |
Array
(
[id] => 17014397
[patent_doc_number] => 11084017
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2021-08-10
[patent_title] => Lazarev reactor 3: continuous production process of two-dimensional polymer tubes
[patent_app_type] => utility
[patent_app_number] => 16/882194
[patent_app_country] => US
[patent_app_date] => 2020-05-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 4286
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 2
[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] => 16882194
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/882194 | Lazarev reactor 3: continuous production process of two-dimensional polymer tubes | May 21, 2020 | Issued |
Array
(
[id] => 16970385
[patent_doc_number] => 11066344
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-07-20
[patent_title] => Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock
[patent_app_type] => utility
[patent_app_number] => 16/879212
[patent_app_country] => US
[patent_app_date] => 2020-05-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 8697
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 1
[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] => 16879212
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/879212 | Methods and systems of upgrading heavy aromatics stream to petrochemical feedstock | May 19, 2020 | Issued |
Array
(
[id] => 17735417
[patent_doc_number] => 20220220876
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-07-14
[patent_title] => VEHICLE EXHAUST GAS PURIFICATION DEVICE, CORRESPONDING PRODUCTION METHOD, EXHAUST LINE AND VEHICLE
[patent_app_type] => utility
[patent_app_number] => 17/610728
[patent_app_country] => US
[patent_app_date] => 2020-05-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7191
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -20
[patent_words_short_claim] => 82
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17610728
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/610728 | Vehicle exhaust gas purification device, corresponding production method, exhaust line and vehicle | May 4, 2020 | Issued |
Array
(
[id] => 16420977
[patent_doc_number] => 20200346175
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-11-05
[patent_title] => DEVICES AND SYSTEMS FOR WATER TREATMENT
[patent_app_type] => utility
[patent_app_number] => 16/864372
[patent_app_country] => US
[patent_app_date] => 2020-05-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9504
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -26
[patent_words_short_claim] => 183
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16864372
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/864372 | Devices and systems for water treatment | Apr 30, 2020 | Issued |
Array
(
[id] => 17490343
[patent_doc_number] => 11279632
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-03-22
[patent_title] => Fluid treatment reactor
[patent_app_type] => utility
[patent_app_number] => 16/855939
[patent_app_country] => US
[patent_app_date] => 2020-04-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 28
[patent_no_of_words] => 18215
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 17
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16855939
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/855939 | Fluid treatment reactor | Apr 21, 2020 | Issued |
Array
(
[id] => 19922846
[patent_doc_number] => 12297116
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-05-13
[patent_title] => System for manufacturing fumed silica particles
[patent_app_type] => utility
[patent_app_number] => 16/849951
[patent_app_country] => US
[patent_app_date] => 2020-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 0
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 289
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16849951
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/849951 | System for manufacturing fumed silica particles | Apr 14, 2020 | Issued |
Array
(
[id] => 19922846
[patent_doc_number] => 12297116
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-05-13
[patent_title] => System for manufacturing fumed silica particles
[patent_app_type] => utility
[patent_app_number] => 16/849951
[patent_app_country] => US
[patent_app_date] => 2020-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 0
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 289
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16849951
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/849951 | System for manufacturing fumed silica particles | Apr 14, 2020 | Issued |
Array
(
[id] => 16375419
[patent_doc_number] => 20200324261
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-10-15
[patent_title] => THREE-PHASE REACTOR WITH RECYCLE CUP OF DECREASING SECTION AND OF VARIABLE ANGLE OF INCLINATION
[patent_app_type] => utility
[patent_app_number] => 16/845977
[patent_app_country] => US
[patent_app_date] => 2020-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10872
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 236
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16845977
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/845977 | Three-phase reactor with recycle cup of decreasing section and of variable angle of inclination | Apr 9, 2020 | Issued |
Array
(
[id] => 17655869
[patent_doc_number] => 20220176334
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-06-09
[patent_title] => PROCESS AND APPARATUS FOR SEQUENTIAL SYNTHESIS OF BIOLOGICAL POLYMERS
[patent_app_type] => utility
[patent_app_number] => 17/442015
[patent_app_country] => US
[patent_app_date] => 2020-04-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8269
[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] => 17442015
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/442015 | Process and apparatus for sequential synthesis of biological polymers | Apr 8, 2020 | Issued |