Search

Afework S. Demisse

Examiner (ID: 6955, Phone: (571)270-7220 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2838
Total Applications
838
Issued Applications
786
Pending Applications
26
Abandoned Applications
43

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18528939 [patent_doc_number] => 11715945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Hybrid arc flash mitigation system [patent_app_type] => utility [patent_app_number] => 17/982807 [patent_app_country] => US [patent_app_date] => 2022-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 10752 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982807 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982807
Hybrid arc flash mitigation system Nov 7, 2022 Issued
Array ( [id] => 18196509 [patent_doc_number] => 20230050028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => DC Voltage Detector Isolation Circuit [patent_app_type] => utility [patent_app_number] => 17/977472 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1847 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17977472 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/977472
DC voltage detector isolation circuit Oct 30, 2022 Issued
Array ( [id] => 19147141 [patent_doc_number] => 20240146190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => VOLTAGE REGULATOR WITH PULSE FREQUENCY CONTROL [patent_app_type] => utility [patent_app_number] => 17/974787 [patent_app_country] => US [patent_app_date] => 2022-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17974787 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/974787
Voltage regulator with pulse frequency control Oct 26, 2022 Issued
Array ( [id] => 18432089 [patent_doc_number] => 11677325 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Digital nonlinear transformation for voltage-mode control of a power converter [patent_app_type] => utility [patent_app_number] => 18/050115 [patent_app_country] => US [patent_app_date] => 2022-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5045 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18050115 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/050115
Digital nonlinear transformation for voltage-mode control of a power converter Oct 26, 2022 Issued
Array ( [id] => 18424646 [patent_doc_number] => 20230179111 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => INVERTER STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/970338 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8704 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970338 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970338
Inverter structure Oct 19, 2022 Issued
Array ( [id] => 18339058 [patent_doc_number] => 20230131007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => THREE-PHASE MULTI-TAP BALANCING DISTRIBUTION TRANSFORMER [patent_app_type] => utility [patent_app_number] => 17/969436 [patent_app_country] => US [patent_app_date] => 2022-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5344 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17969436 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/969436
Three-phase multi-tap balancing distribution transformer Oct 18, 2022 Issued
Array ( [id] => 19117099 [patent_doc_number] => 20240128849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => SYSTEMS AND METHODS FOR INTEGRATED BOOST IN HIGH VOLTAGE AND LOW VOLTAGE POWER CONVERSION FOR BATTERY CHARGER [patent_app_type] => utility [patent_app_number] => 18/047067 [patent_app_country] => US [patent_app_date] => 2022-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047067 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047067
Systems and methods for integrated boost in high voltage and low voltage power conversion for battery charger Oct 16, 2022 Issued
Array ( [id] => 19965298 [patent_doc_number] => 12334821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Voltage converter [patent_app_type] => utility [patent_app_number] => 18/047053 [patent_app_country] => US [patent_app_date] => 2022-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047053 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047053
Voltage converter Oct 16, 2022 Issued
Array ( [id] => 18145261 [patent_doc_number] => 20230019116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => CONTROL CIRCUIT FOR A FLYBACK CONVERTER, RELATED INTEGRATED CIRCUIT, ELECTRONIC FLYBACK CONVERTER AND METHOD [patent_app_type] => utility [patent_app_number] => 17/935542 [patent_app_country] => US [patent_app_date] => 2022-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17935542 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/935542
Control circuit for a flyback converter, related integrated circuit, electronic flyback converter and method Sep 25, 2022 Issued
Array ( [id] => 19428755 [patent_doc_number] => 12088194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Hybrid-mode power factor corrector and method of operating the same [patent_app_type] => utility [patent_app_number] => 17/951481 [patent_app_country] => US [patent_app_date] => 2022-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4786 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [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] => 17951481 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/951481
Hybrid-mode power factor corrector and method of operating the same Sep 22, 2022 Issued
Array ( [id] => 18653831 [patent_doc_number] => 20230299673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => BUCK CONVERTER SYSTEM WITH AN ASYMMETRIC THRESHOLD VOLTAGE GATE DRIVE CIRCUIT DESIGN [patent_app_type] => utility [patent_app_number] => 17/934749 [patent_app_country] => US [patent_app_date] => 2022-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2201 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17934749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/934749
Buck converter system with an asymmetric threshold voltage gate drive circuit design Sep 22, 2022 Issued
Array ( [id] => 19069131 [patent_doc_number] => 20240103557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => BANDGAP CIRCUIT WITH LOW POWER CONSUMPTION [patent_app_type] => utility [patent_app_number] => 17/947465 [patent_app_country] => US [patent_app_date] => 2022-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17947465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/947465
Bandgap circuit with low power consumption Sep 18, 2022 Issued
Array ( [id] => 19054919 [patent_doc_number] => 20240096888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SUPER-STEEP SWITCHING DEVICE AND INVERTER DEVICE USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/014078 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18014078 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/014078
Super-steep switching device and inverter device using the same Sep 7, 2022 Issued
Array ( [id] => 18606376 [patent_doc_number] => 11747840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Multi-phase voltage regulator control [patent_app_type] => utility [patent_app_number] => 17/893717 [patent_app_country] => US [patent_app_date] => 2022-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 11088 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/893717
Multi-phase voltage regulator control Aug 22, 2022 Issued
Array ( [id] => 18145150 [patent_doc_number] => 20230019005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => PROTECTION OF AN ELECTRICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 17/887861 [patent_app_country] => US [patent_app_date] => 2022-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17887861 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/887861
Protection of an electrical apparatus Aug 14, 2022 Issued
Array ( [id] => 18494474 [patent_doc_number] => 11699898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Gateway interface for an enhanced circuit breaker disconnect [patent_app_type] => utility [patent_app_number] => 17/886738 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 24054 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17886738 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/886738
Gateway interface for an enhanced circuit breaker disconnect Aug 11, 2022 Issued
Array ( [id] => 20483012 [patent_doc_number] => 12531489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Method for operating a power converter and power converter [patent_app_type] => utility [patent_app_number] => 18/682393 [patent_app_country] => US [patent_app_date] => 2022-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18682393 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/682393
Method for operating a power converter and power converter Aug 8, 2022 Issued
Array ( [id] => 19460506 [patent_doc_number] => 12101023 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Low power PFC converter [patent_app_type] => utility [patent_app_number] => 17/814902 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3926 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814902 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814902
Low power PFC converter Jul 25, 2022 Issued
Array ( [id] => 17934037 [patent_doc_number] => 20220329163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => SWITCHING POWER SUPPLY CONVERTER [patent_app_type] => utility [patent_app_number] => 17/854024 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4950 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17854024 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/854024
Switching power supply converter Jun 29, 2022 Issued
Array ( [id] => 17918619 [patent_doc_number] => 20220321015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => DC VOLTAGE CONVERSION CIRCUIT AND POWER SUPPLY DEVICE [patent_app_type] => utility [patent_app_number] => 17/848720 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 415 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848720 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848720
DC voltage conversion circuit and power supply device Jun 23, 2022 Issued
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