Search

Ahmad Matar

Supervisory Patent Examiner (ID: 13938, Phone: (571)272-7488 , Office: P/2652 )

Most Active Art Unit
2601
Art Unit(s)
2742, 2693, 2652, 2601, 2614, 2642, 2616, 2758
Total Applications
430
Issued Applications
245
Pending Applications
50
Abandoned Applications
136

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14222325 [patent_doc_number] => 20190123547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => RELAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/092635 [patent_app_country] => US [patent_app_date] => 2017-03-28 [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] => -9 [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] => 16092635 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/092635
Relay device Mar 27, 2017 Issued
Array ( [id] => 11975209 [patent_doc_number] => 20170279363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'INSULATED SYNCHRONOUS RECTIFICATION DC/DC CONVERTER' [patent_app_type] => utility [patent_app_number] => 15/466413 [patent_app_country] => US [patent_app_date] => 2017-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6616 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15466413 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/466413
Insulated synchronous rectification DC/DC converter including a protection circuit to judge occurrence of a switching-incapable state Mar 21, 2017 Issued
Array ( [id] => 11990690 [patent_doc_number] => 20170294845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-12 [patent_title] => 'POWER CONVERSION DEVICE INCLUDING PRIMARY INVERTER, TRANSFORMER, SECONDARY CONVERTER' [patent_app_type] => utility [patent_app_number] => 15/465033 [patent_app_country] => US [patent_app_date] => 2017-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 44 [patent_no_of_words] => 18850 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15465033 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/465033
Power conversion device including primary inverter, transformer, secondary converter Mar 20, 2017 Issued
Array ( [id] => 13436527 [patent_doc_number] => 20180269806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => Method and apparatus of dead time tuning in an inverter [patent_app_type] => utility [patent_app_number] => 15/459003 [patent_app_country] => US [patent_app_date] => 2017-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15459003 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/459003
Method and apparatus of dead time tuning in an inverter Mar 14, 2017 Issued
Array ( [id] => 11960046 [patent_doc_number] => 20170264198 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-14 [patent_title] => 'SWITCHING CONTROL CIRCUIT AND CONTROL METHOD' [patent_app_type] => utility [patent_app_number] => 15/446133 [patent_app_country] => US [patent_app_date] => 2017-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4507 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15446133 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/446133
Switching control circuit and control method for a multi-channel switching circuit Feb 28, 2017 Issued
Array ( [id] => 14302011 [patent_doc_number] => 10291143 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-14 [patent_title] => Voltage converter without electrolytic capacitor [patent_app_type] => utility [patent_app_number] => 15/571841 [patent_app_country] => US [patent_app_date] => 2017-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4588 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 559 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15571841 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/571841
Voltage converter without electrolytic capacitor Feb 27, 2017 Issued
Array ( [id] => 11940185 [patent_doc_number] => 20170244336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-24 [patent_title] => 'POWER SUPPLY SYSTEM, APPARATUS, AND CONTROL METHOD' [patent_app_type] => utility [patent_app_number] => 15/441133 [patent_app_country] => US [patent_app_date] => 2017-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 41 [patent_no_of_words] => 26581 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15441133 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/441133
Power supply system, apparatus, and control method combining a first control signal and a second control signal Feb 22, 2017 Issued
Array ( [id] => 15566019 [patent_doc_number] => 20200067421 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => MODULAR MULTILEVEL POWER CONVERTER [patent_app_type] => utility [patent_app_number] => 16/487627 [patent_app_country] => US [patent_app_date] => 2017-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8517 [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] => 16487627 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/487627
Modular multilevel power converter in which electronic components of the converter are arranged on different vehicles Feb 20, 2017 Issued
Array ( [id] => 16959635 [patent_doc_number] => 11063520 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-13 [patent_title] => Simplified hybrid PWM/PFM control method for SLLC converter [patent_app_type] => utility [patent_app_number] => 16/469172 [patent_app_country] => US [patent_app_date] => 2016-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3626 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [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] => 16469172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/469172
Simplified hybrid PWM/PFM control method for SLLC converter Dec 15, 2016 Issued
Array ( [id] => 12115462 [patent_doc_number] => 09871462 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-16 [patent_title] => 'Regenerative variable frequency drive with auxiliary power supply' [patent_app_type] => utility [patent_app_number] => 15/373913 [patent_app_country] => US [patent_app_date] => 2016-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4673 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15373913 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/373913
Regenerative variable frequency drive with auxiliary power supply Dec 8, 2016 Issued
Array ( [id] => 14559423 [patent_doc_number] => 10348187 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => DC-DC converter having a reverse flow protection function [patent_app_type] => utility [patent_app_number] => 15/778296 [patent_app_country] => US [patent_app_date] => 2016-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 10093 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15778296 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/778296
DC-DC converter having a reverse flow protection function Dec 7, 2016 Issued
Array ( [id] => 11825386 [patent_doc_number] => 20170214324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'DC POWER SUPPLY' [patent_app_type] => utility [patent_app_number] => 15/366003 [patent_app_country] => US [patent_app_date] => 2016-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3795 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15366003 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/366003
DC power supply with multi-cell converter Nov 30, 2016 Issued
Array ( [id] => 14574417 [patent_doc_number] => 20190214816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-11 [patent_title] => Arrangement for Diverting Voltage Surges [patent_app_type] => utility [patent_app_number] => 16/071194 [patent_app_country] => US [patent_app_date] => 2016-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2432 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16071194 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/071194
Arrangement for Diverting Voltage Surges Nov 29, 2016 Abandoned
Array ( [id] => 12047926 [patent_doc_number] => 09825540 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-21 [patent_title] => 'Switching power supply apparatus' [patent_app_type] => utility [patent_app_number] => 15/363413 [patent_app_country] => US [patent_app_date] => 2016-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11069 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15363413 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/363413
Switching power supply apparatus Nov 28, 2016 Issued
Array ( [id] => 13641527 [patent_doc_number] => 09847727 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-12-19 [patent_title] => Half-bridge resonant bidirectional DC-DC converter circuit having a half-bridge buck-boost converter and a resonant DC-DC converter [patent_app_type] => utility [patent_app_number] => 15/364133 [patent_app_country] => US [patent_app_date] => 2016-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 4719 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 388 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15364133 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/364133
Half-bridge resonant bidirectional DC-DC converter circuit having a half-bridge buck-boost converter and a resonant DC-DC converter Nov 28, 2016 Issued
Array ( [id] => 13755913 [patent_doc_number] => 10170913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-01 [patent_title] => Static synchronous compensator device and related method of phase balancing a three-phase power system [patent_app_type] => utility [patent_app_number] => 15/363033 [patent_app_country] => US [patent_app_date] => 2016-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 9213 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15363033 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/363033
Static synchronous compensator device and related method of phase balancing a three-phase power system Nov 28, 2016 Issued
Array ( [id] => 13112829 [patent_doc_number] => 10075082 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-11 [patent_title] => Switching mode power supplies with fast load-transient response [patent_app_type] => utility [patent_app_number] => 15/361103 [patent_app_country] => US [patent_app_date] => 2016-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4853 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15361103 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/361103
Switching mode power supplies with fast load-transient response Nov 24, 2016 Issued
Array ( [id] => 12513000 [patent_doc_number] => 10001796 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-19 [patent_title] => Low dropout linear voltage regulator with compensation [patent_app_type] => utility [patent_app_number] => 15/360433 [patent_app_country] => US [patent_app_date] => 2016-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5171 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15360433 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/360433
Low dropout linear voltage regulator with compensation Nov 22, 2016 Issued
Array ( [id] => 13007115 [patent_doc_number] => 10027235 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-07-17 [patent_title] => Self-tuning adaptive dead time control for continuous conduction mode and discontinuous conduction mode operation of a flyback converter [patent_app_type] => utility [patent_app_number] => 15/358703 [patent_app_country] => US [patent_app_date] => 2016-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 3671 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15358703 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/358703
Self-tuning adaptive dead time control for continuous conduction mode and discontinuous conduction mode operation of a flyback converter Nov 21, 2016 Issued
Array ( [id] => 14399055 [patent_doc_number] => 10312821 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-04 [patent_title] => Rectifier circuit with multiple cells, each cell having transistors with bulks biased by signals generated in other cells to control threshold voltage, and corresponding device and method [patent_app_type] => utility [patent_app_number] => 15/359213 [patent_app_country] => US [patent_app_date] => 2016-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5275 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [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] => 15359213 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/359213
Rectifier circuit with multiple cells, each cell having transistors with bulks biased by signals generated in other cells to control threshold voltage, and corresponding device and method Nov 21, 2016 Issued
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