
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] => 20348913
[patent_doc_number] => 20250345765
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-11-13
[patent_title] => DIRECT ELECTRICAL HEATING OF PROCESS HEATER TUBES USING GALVANIC ISOLATION TECHNIQUES
[patent_app_type] => utility
[patent_app_number] => 19/279203
[patent_app_country] => US
[patent_app_date] => 2025-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12325
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 158
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19279203
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/279203 | DIRECT ELECTRICAL HEATING OF PROCESS HEATER TUBES USING GALVANIC ISOLATION TECHNIQUES | Jul 23, 2025 | Pending |
Array
(
[id] => 20120810
[patent_doc_number] => 20250235841
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-07-24
[patent_title] => DIRECT ELECTRICAL HEATING OF PROCESS HEATER TUBES USING GALVANIC ISOLATION TECHNIQUES
[patent_app_type] => utility
[patent_app_number] => 19/177018
[patent_app_country] => US
[patent_app_date] => 2025-04-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12325
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -23
[patent_words_short_claim] => 210
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19177018
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/177018 | Direct electrical heating of process heater tubes using galvanic isolation techniques | Apr 10, 2025 | Issued |
Array
(
[id] => 20120810
[patent_doc_number] => 20250235841
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-07-24
[patent_title] => DIRECT ELECTRICAL HEATING OF PROCESS HEATER TUBES USING GALVANIC ISOLATION TECHNIQUES
[patent_app_type] => utility
[patent_app_number] => 19/177018
[patent_app_country] => US
[patent_app_date] => 2025-04-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12325
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -23
[patent_words_short_claim] => 210
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19177018
[rel_patent_id] =>[rel_patent_doc_number] =>) 19/177018 | Direct electrical heating of process heater tubes using galvanic isolation techniques | Apr 10, 2025 | Issued |
Array
(
[id] => 20107258
[patent_doc_number] => 12357957
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-15
[patent_title] => System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path
[patent_app_type] => utility
[patent_app_number] => 18/827074
[patent_app_country] => US
[patent_app_date] => 2024-09-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 1078
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 111
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827074
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/827074 | System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path | Sep 5, 2024 | Issued |
Array
(
[id] => 20107258
[patent_doc_number] => 12357957
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-15
[patent_title] => System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path
[patent_app_type] => utility
[patent_app_number] => 18/827074
[patent_app_country] => US
[patent_app_date] => 2024-09-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 1078
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 111
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827074
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/827074 | System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path | Sep 5, 2024 | Issued |
Array
(
[id] => 20107258
[patent_doc_number] => 12357957
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-07-15
[patent_title] => System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path
[patent_app_type] => utility
[patent_app_number] => 18/827074
[patent_app_country] => US
[patent_app_date] => 2024-09-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 1078
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 111
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827074
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/827074 | System and method for a three-dimensionally printed lattice structure for heating gas in a non-linear path | Sep 5, 2024 | Issued |
Array
(
[id] => 19527972
[patent_doc_number] => 20240351874
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-24
[patent_title] => SYSTEMS AND METHODS FOR PRODUCTION AND SEPARATION OF HYDROGEN AND CARBON DIOXIDE
[patent_app_type] => utility
[patent_app_number] => 18/762336
[patent_app_country] => US
[patent_app_date] => 2024-07-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 14946
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -36
[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] => 18762336
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/762336 | Systems and methods for production and separation of hydrogen and carbon dioxide | Jul 1, 2024 | Issued |
Array
(
[id] => 19510648
[patent_doc_number] => 20240342334
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-17
[patent_title] => AROMA GENERATOR
[patent_app_type] => utility
[patent_app_number] => 18/754539
[patent_app_country] => US
[patent_app_date] => 2024-06-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7006
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 106
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18754539
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/754539 | AROMA GENERATOR | Jun 25, 2024 | Pending |
Array
(
[id] => 19682839
[patent_doc_number] => 20250001384
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-02
[patent_title] => APPARATUS AND METHODS FOR SYNTHESIZING BIOPOLYMERS
[patent_app_type] => utility
[patent_app_number] => 18/732594
[patent_app_country] => US
[patent_app_date] => 2024-06-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7102
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 18732594
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/732594 | APPARATUS AND METHODS FOR SYNTHESIZING BIOPOLYMERS | Jun 2, 2024 | Pending |
Array
(
[id] => 19361021
[patent_doc_number] => 20240263055
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-08
[patent_title] => Two Stage Methods for Processing Adhesives and Related Compositions
[patent_app_type] => utility
[patent_app_number] => 18/634544
[patent_app_country] => US
[patent_app_date] => 2024-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 14919
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 61
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18634544
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/634544 | Two Stage Methods for Processing Adhesives and Related Compositions | Apr 11, 2024 | Pending |
Array
(
[id] => 19343743
[patent_doc_number] => 20240252706
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-01
[patent_title] => DOOR LATCH, LOCK AND OPEN MECHANISM FOR MEDICAL DEVICE TREATMENT SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/631411
[patent_app_country] => US
[patent_app_date] => 2024-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10982
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 170
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18631411
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/631411 | DOOR LATCH, LOCK AND OPEN MECHANISM FOR MEDICAL DEVICE TREATMENT SYSTEM | Apr 9, 2024 | Pending |
Array
(
[id] => 19343743
[patent_doc_number] => 20240252706
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-01
[patent_title] => DOOR LATCH, LOCK AND OPEN MECHANISM FOR MEDICAL DEVICE TREATMENT SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/631411
[patent_app_country] => US
[patent_app_date] => 2024-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10982
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 170
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18631411
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/631411 | DOOR LATCH, LOCK AND OPEN MECHANISM FOR MEDICAL DEVICE TREATMENT SYSTEM | Apr 9, 2024 | Pending |
Array
(
[id] => 19360655
[patent_doc_number] => 20240262689
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-08
[patent_title] => Apparatus and Method for Generating Nitric Oxide in Controlled and Accurate Amounts
[patent_app_type] => utility
[patent_app_number] => 18/621598
[patent_app_country] => US
[patent_app_date] => 2024-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9689
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -23
[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] => 18621598
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/621598 | Apparatus and method for generating nitric oxide in controlled and accurate amounts | Mar 28, 2024 | Issued |
Array
(
[id] => 19490860
[patent_doc_number] => 12109546
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-10-08
[patent_title] => System and method for heating gas in a continuous focused path within an electric heating unit
[patent_app_type] => utility
[patent_app_number] => 18/615012
[patent_app_country] => US
[patent_app_date] => 2024-03-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 6021
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 109
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615012
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/615012 | System and method for heating gas in a continuous focused path within an electric heating unit | Mar 24, 2024 | Issued |
Array
(
[id] => 19768552
[patent_doc_number] => 20250049978
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-13
[patent_title] => Articles Formed of Pulp Base Materials With Modulated Scent Release
[patent_app_type] => utility
[patent_app_number] => 18/610232
[patent_app_country] => US
[patent_app_date] => 2024-03-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 16119
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[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] => 18610232
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/610232 | Articles Formed of Pulp Base Materials With Modulated Scent Release | Mar 18, 2024 | Pending |
Array
(
[id] => 19233947
[patent_doc_number] => 20240191139
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => SYSTEMS AND METHODS FOR THE MANUFACTURE OF HIGH MELTING HYDROCARBONS FROM COAL
[patent_app_type] => utility
[patent_app_number] => 18/587379
[patent_app_country] => US
[patent_app_date] => 2024-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4626
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 25
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587379
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/587379 | SYSTEMS AND METHODS FOR THE MANUFACTURE OF HIGH MELTING HYDROCARBONS FROM COAL | Feb 25, 2024 | Pending |
Array
(
[id] => 19389690
[patent_doc_number] => 20240279560
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-22
[patent_title] => SYSTEM AND METHOD FOR DESULFURIZATION OF HYDROCARBON FUELS
[patent_app_type] => utility
[patent_app_number] => 18/587678
[patent_app_country] => US
[patent_app_date] => 2024-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5834
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 197
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587678
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/587678 | SYSTEM AND METHOD FOR DESULFURIZATION OF HYDROCARBON FUELS | Feb 25, 2024 | Pending |
Array
(
[id] => 19233947
[patent_doc_number] => 20240191139
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => SYSTEMS AND METHODS FOR THE MANUFACTURE OF HIGH MELTING HYDROCARBONS FROM COAL
[patent_app_type] => utility
[patent_app_number] => 18/587379
[patent_app_country] => US
[patent_app_date] => 2024-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4626
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 25
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587379
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/587379 | SYSTEMS AND METHODS FOR THE MANUFACTURE OF HIGH MELTING HYDROCARBONS FROM COAL | Feb 25, 2024 | Pending |
Array
(
[id] => 19389690
[patent_doc_number] => 20240279560
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-22
[patent_title] => SYSTEM AND METHOD FOR DESULFURIZATION OF HYDROCARBON FUELS
[patent_app_type] => utility
[patent_app_number] => 18/587678
[patent_app_country] => US
[patent_app_date] => 2024-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5834
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 197
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587678
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/587678 | SYSTEM AND METHOD FOR DESULFURIZATION OF HYDROCARBON FUELS | Feb 25, 2024 | Pending |
Array
(
[id] => 19457017
[patent_doc_number] => 12097489
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2024-09-24
[patent_title] => Expanded bed direct-contact system and heat exchanger and chemical reactor using the same
[patent_app_type] => utility
[patent_app_number] => 18/585585
[patent_app_country] => US
[patent_app_date] => 2024-02-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 8
[patent_no_of_words] => 4369
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 226
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585585
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/585585 | Expanded bed direct-contact system and heat exchanger and chemical reactor using the same | Feb 22, 2024 | Issued |