
Shahzeb K. Ahmad
Examiner (ID: 15391, Phone: (571)272-0978 , Office: P/2838 )
| Most Active Art Unit | 2838 |
| Art Unit(s) | 2838, 2839 |
| Total Applications | 555 |
| Issued Applications | 437 |
| Pending Applications | 53 |
| Abandoned Applications | 81 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 13486373
[patent_doc_number] => 20180294729
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-10-11
[patent_title] => SYNCHRONOUS RECTIFIER DRIVE AND SOFT SWITCHING CIRCUIT
[patent_app_type] => utility
[patent_app_number] => 16/006428
[patent_app_country] => US
[patent_app_date] => 2018-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3876
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 86
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16006428
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/006428 | SYNCHRONOUS RECTIFIER DRIVE AND SOFT SWITCHING CIRCUIT | Jun 11, 2018 | Abandoned |
Array
(
[id] => 13922519
[patent_doc_number] => 10205391
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-02-12
[patent_title] => Current sensing with RDS
[patent_app_type] => utility
[patent_app_number] => 15/997415
[patent_app_country] => US
[patent_app_date] => 2018-06-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 7365
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15997415
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/997415 | Current sensing with RDS | Jun 3, 2018 | Issued |
Array
(
[id] => 13820343
[patent_doc_number] => 10186957
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-01-22
[patent_title] => Soft-switching control circuit of boost-type PFC converter
[patent_app_type] => utility
[patent_app_number] => 15/993630
[patent_app_country] => US
[patent_app_date] => 2018-05-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 4237
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 175
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15993630
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/993630 | Soft-switching control circuit of boost-type PFC converter | May 30, 2018 | Issued |
Array
(
[id] => 14399001
[patent_doc_number] => 10312794
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-06-04
[patent_title] => Chopper assembly and controlling method thereof
[patent_app_type] => utility
[patent_app_number] => 15/992991
[patent_app_country] => US
[patent_app_date] => 2018-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 4848
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 134
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15992991
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/992991 | Chopper assembly and controlling method thereof | May 29, 2018 | Issued |
Array
(
[id] => 13977823
[patent_doc_number] => 10218284
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2019-02-26
[patent_title] => DC-DC power converters including a valley skipping mode and methods of operating DC-DC power converters
[patent_app_type] => utility
[patent_app_number] => 15/988984
[patent_app_country] => US
[patent_app_date] => 2018-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 5608
[patent_no_of_claims] => 26
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 150
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15988984
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/988984 | DC-DC power converters including a valley skipping mode and methods of operating DC-DC power converters | May 23, 2018 | Issued |
Array
(
[id] => 15186101
[patent_doc_number] => 20190363642
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-11-28
[patent_title] => Inverter
[patent_app_type] => utility
[patent_app_number] => 15/987880
[patent_app_country] => US
[patent_app_date] => 2018-05-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1621
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[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] => 15987880
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/987880 | Inverter | May 22, 2018 | Abandoned |
Array
(
[id] => 13668661
[patent_doc_number] => 10164518
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-12-25
[patent_title] => Power control device capable of detecting the condition of the sensing resistor
[patent_app_type] => utility
[patent_app_number] => 15/974678
[patent_app_country] => US
[patent_app_date] => 2018-05-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4413
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 246
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15974678
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/974678 | Power control device capable of detecting the condition of the sensing resistor | May 7, 2018 | Issued |
Array
(
[id] => 15031623
[patent_doc_number] => 20190326816
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-10-24
[patent_title] => Apparatus for Power Converter with Efficient Switching and Associated Methods
[patent_app_type] => utility
[patent_app_number] => 15/958561
[patent_app_country] => US
[patent_app_date] => 2018-04-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7783
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[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] => 15958561
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/958561 | Apparatus for Power Converter with Efficient Switching and Associated Methods | Apr 19, 2018 | Abandoned |
Array
(
[id] => 17819063
[patent_doc_number] => 11424690
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-08-23
[patent_title] => Semiconductor switching arrangement
[patent_app_type] => utility
[patent_app_number] => 16/613909
[patent_app_country] => US
[patent_app_date] => 2018-04-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 10
[patent_no_of_words] => 3068
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 231
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16613909
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/613909 | Semiconductor switching arrangement | Apr 15, 2018 | Issued |
Array
(
[id] => 16219089
[patent_doc_number] => 10734915
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-08-04
[patent_title] => Method for suppressing common-mode current of neutral line in T-type three-level three-phase inverter
[patent_app_type] => utility
[patent_app_number] => 16/496618
[patent_app_country] => US
[patent_app_date] => 2018-03-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 10
[patent_no_of_words] => 3278
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 227
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16496618
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/496618 | Method for suppressing common-mode current of neutral line in T-type three-level three-phase inverter | Mar 22, 2018 | Issued |
Array
(
[id] => 14656861
[patent_doc_number] => 20190235559
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-08-01
[patent_title] => VOLTAGE REFERENCE AND STARTUP CIRCUIT HAVING LOW OPERATING CURRENT
[patent_app_type] => utility
[patent_app_number] => 15/881940
[patent_app_country] => US
[patent_app_date] => 2018-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4163
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[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] => 15881940
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/881940 | VOLTAGE REFERENCE AND STARTUP CIRCUIT HAVING LOW OPERATING CURRENT | Jan 28, 2018 | Abandoned |
Array
(
[id] => 12780817
[patent_doc_number] => 20180152107
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-05-31
[patent_title] => Drive Scheme for Weakly Coupled Coils
[patent_app_type] => utility
[patent_app_number] => 15/882384
[patent_app_country] => US
[patent_app_date] => 2018-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6114
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -6
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15882384
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/882384 | Drive scheme for weakly coupled coils | Jan 28, 2018 | Issued |
Array
(
[id] => 13421149
[patent_doc_number] => 20180262117
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-09-13
[patent_title] => POWER ELECTRONIC CONVERSION UNIT AND SYSTEM
[patent_app_type] => utility
[patent_app_number] => 15/880678
[patent_app_country] => US
[patent_app_date] => 2018-01-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4508
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 67
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15880678
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/880678 | Power electronic conversion unit and system | Jan 25, 2018 | Issued |
Array
(
[id] => 13809043
[patent_doc_number] => 10181791
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-01-15
[patent_title] => Converter digital control circuit with adaptive compensation
[patent_app_type] => utility
[patent_app_number] => 15/876641
[patent_app_country] => US
[patent_app_date] => 2018-01-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 9416
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 112
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15876641
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/876641 | Converter digital control circuit with adaptive compensation | Jan 21, 2018 | Issued |
Array
(
[id] => 14330025
[patent_doc_number] => 10296028
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-05-21
[patent_title] => Low dropout regulator, method for improving stability of low dropout regulator, and phase-locked loop
[patent_app_type] => utility
[patent_app_number] => 15/857037
[patent_app_country] => US
[patent_app_date] => 2017-12-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 5282
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 3
[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] => 15857037
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/857037 | Low dropout regulator, method for improving stability of low dropout regulator, and phase-locked loop | Dec 27, 2017 | Issued |
Array
(
[id] => 12664957
[patent_doc_number] => 20180113485
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-04-26
[patent_title] => BANDGAP REFERENCE CIRCUIT AND POWER SUPPLY CIRCUIT
[patent_app_type] => utility
[patent_app_number] => 15/851205
[patent_app_country] => US
[patent_app_date] => 2017-12-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 14426
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 209
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15851205
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/851205 | Bandgap reference circuit and power supply circuit | Dec 20, 2017 | Issued |
Array
(
[id] => 14645493
[patent_doc_number] => 10367500
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-07-30
[patent_title] => Switching voltage regulator with variable minimum off-time
[patent_app_type] => utility
[patent_app_number] => 15/835961
[patent_app_country] => US
[patent_app_date] => 2017-12-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 4809
[patent_no_of_claims] => 32
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 164
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15835961
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/835961 | Switching voltage regulator with variable minimum off-time | Dec 7, 2017 | Issued |
Array
(
[id] => 13321989
[patent_doc_number] => 20180212532
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-07-26
[patent_title] => POWER MODULE CASCADED CONVERTER SYSTEM
[patent_app_type] => utility
[patent_app_number] => 15/832761
[patent_app_country] => US
[patent_app_date] => 2017-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4819
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 253
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15832761
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/832761 | Power module cascaded converter system | Dec 4, 2017 | Issued |
Array
(
[id] => 12874732
[patent_doc_number] => 20180183419
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2018-06-28
[patent_title] => MINIMUM PULSE-WIDTH ASSURANCE
[patent_app_type] => utility
[patent_app_number] => 15/831047
[patent_app_country] => US
[patent_app_date] => 2017-12-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6746
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 198
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15831047
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/831047 | Minimum pulse-width assurance | Dec 3, 2017 | Issued |
Array
(
[id] => 14253841
[patent_doc_number] => 10277133
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-04-30
[patent_title] => Isolated DC/DC converter, primary side controller, power adapter, and electronic device
[patent_app_type] => utility
[patent_app_number] => 15/830461
[patent_app_country] => US
[patent_app_date] => 2017-12-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 24
[patent_no_of_words] => 8390
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 171
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15830461
[rel_patent_id] =>[rel_patent_doc_number] =>) 15/830461 | Isolated DC/DC converter, primary side controller, power adapter, and electronic device | Dec 3, 2017 | Issued |