Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 11687836 [patent_doc_number] => 09685888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-06-20 [patent_title] => 'Semiconductor module, upper and lower arm kit, and three-level inverter' [patent_app_type] => utility [patent_app_number] => 14/124871 [patent_app_country] => US [patent_app_date] => 2012-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 7297 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 409 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14124871 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/124871
Semiconductor module, upper and lower arm kit, and three-level inverter Jun 5, 2012 Issued
Array ( [id] => 8507058 [patent_doc_number] => 20120306466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-06 [patent_title] => 'STEP-UP DC-DC CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/487861 [patent_app_country] => US [patent_app_date] => 2012-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4173 [patent_no_of_claims] => 6 [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] => 13487861 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/487861
STEP-UP DC-DC CONVERTER Jun 3, 2012 Abandoned
Array ( [id] => 9178959 [patent_doc_number] => 20130320944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-05 [patent_title] => 'VOLTAGE REGULATOR, AMPLIFICATION CIRCUIT, AND COMPENSATION CIRCUIT' [patent_app_type] => utility [patent_app_number] => 13/488201 [patent_app_country] => US [patent_app_date] => 2012-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4403 [patent_no_of_claims] => 20 [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] => 13488201 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/488201
VOLTAGE REGULATOR, AMPLIFICATION CIRCUIT, AND COMPENSATION CIRCUIT Jun 3, 2012 Abandoned
Array ( [id] => 9984461 [patent_doc_number] => 09030180 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-12 [patent_title] => 'Switching regulator' [patent_app_type] => utility [patent_app_number] => 13/486531 [patent_app_country] => US [patent_app_date] => 2012-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3470 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13486531 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/486531
Switching regulator May 31, 2012 Issued
Array ( [id] => 9818509 [patent_doc_number] => 08928299 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-06 [patent_title] => 'Low power switching DC-DC converter and method of the same' [patent_app_type] => utility [patent_app_number] => 13/481541 [patent_app_country] => US [patent_app_date] => 2012-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3255 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13481541 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/481541
Low power switching DC-DC converter and method of the same May 24, 2012 Issued
Array ( [id] => 9945049 [patent_doc_number] => 08994357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-31 [patent_title] => 'Load adaptive loop based voltage source' [patent_app_type] => utility [patent_app_number] => 13/468241 [patent_app_country] => US [patent_app_date] => 2012-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3762 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13468241 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/468241
Load adaptive loop based voltage source May 9, 2012 Issued
Array ( [id] => 8482027 [patent_doc_number] => 20120281435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-08 [patent_title] => 'DC-DC CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/464041 [patent_app_country] => US [patent_app_date] => 2012-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1558 [patent_no_of_claims] => 5 [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] => 13464041 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/464041
DC-DC CONVERTER May 3, 2012 Abandoned
Array ( [id] => 9461821 [patent_doc_number] => 20140126247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'SNUBBER CIRCUIT FOR DC-DC VOLTAGE CONVERTER' [patent_app_type] => utility [patent_app_number] => 14/122362 [patent_app_country] => US [patent_app_date] => 2012-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2189 [patent_no_of_claims] => 4 [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] => 14122362 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122362
SNUBBER CIRCUIT FOR DC-DC VOLTAGE CONVERTER Apr 2, 2012 Abandoned
Array ( [id] => 9066969 [patent_doc_number] => 20130258725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'Systems and Methods for Balancing UPS Source Currents During Unbalanced Load Transient Conditions' [patent_app_type] => utility [patent_app_number] => 13/434841 [patent_app_country] => US [patent_app_date] => 2012-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3927 [patent_no_of_claims] => 20 [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] => 13434841 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/434841
Systems and Methods for Balancing UPS Source Currents During Unbalanced Load Transient Conditions Mar 28, 2012 Abandoned
Array ( [id] => 8415768 [patent_doc_number] => 20120243268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-27 [patent_title] => 'Transformers and Methods For Constructing Transformers' [patent_app_type] => utility [patent_app_number] => 13/425561 [patent_app_country] => US [patent_app_date] => 2012-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3929 [patent_no_of_claims] => 23 [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] => 13425561 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/425561
Transformers and methods for constructing transformers Mar 20, 2012 Issued
Array ( [id] => 9390781 [patent_doc_number] => 08687393 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-01 [patent_title] => 'Power converter module' [patent_app_type] => utility [patent_app_number] => 13/421851 [patent_app_country] => US [patent_app_date] => 2012-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3420 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13421851 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/421851
Power converter module Mar 14, 2012 Issued
Array ( [id] => 10004655 [patent_doc_number] => 09048756 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-02 [patent_title] => 'DC-side leakage current reduction for single phase full-bridge power converter/inverter' [patent_app_type] => utility [patent_app_number] => 13/415141 [patent_app_country] => US [patent_app_date] => 2012-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 28 [patent_no_of_words] => 6822 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13415141 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/415141
DC-side leakage current reduction for single phase full-bridge power converter/inverter Mar 7, 2012 Issued
Array ( [id] => 10859166 [patent_doc_number] => 08885373 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-11-11 [patent_title] => 'Earth leakage current control for a multi-level grounded inverter' [patent_app_type] => utility [patent_app_number] => 13/414441 [patent_app_country] => US [patent_app_date] => 2012-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3225 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13414441 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/414441
Earth leakage current control for a multi-level grounded inverter Mar 6, 2012 Issued
Array ( [id] => 8988375 [patent_doc_number] => 20130215656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-22 [patent_title] => 'LATCHING COMPARATOR' [patent_app_type] => utility [patent_app_number] => 13/399741 [patent_app_country] => US [patent_app_date] => 2012-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8022 [patent_no_of_claims] => 23 [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] => 13399741 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/399741
Latching comparator Feb 16, 2012 Issued
Array ( [id] => 8975087 [patent_doc_number] => 20130208517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'Method of Damping Harmonic Output' [patent_app_type] => utility [patent_app_number] => 13/399441 [patent_app_country] => US [patent_app_date] => 2012-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4556 [patent_no_of_claims] => 20 [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] => 13399441 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/399441
Method of Damping Harmonic Output Feb 16, 2012 Abandoned
Array ( [id] => 10877115 [patent_doc_number] => 08901905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-02 [patent_title] => 'System and method for providing power via a spurious-noise-free switching device' [patent_app_type] => utility [patent_app_number] => 13/397251 [patent_app_country] => US [patent_app_date] => 2012-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 6304 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13397251 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/397251
System and method for providing power via a spurious-noise-free switching device Feb 14, 2012 Issued
Array ( [id] => 8357822 [patent_doc_number] => 20120212978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-23 [patent_title] => 'Low Power Switch Mode Power Supply' [patent_app_type] => utility [patent_app_number] => 13/372551 [patent_app_country] => US [patent_app_date] => 2012-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5082 [patent_no_of_claims] => 9 [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] => 13372551 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/372551
Low power switch mode power supply Feb 13, 2012 Issued
Array ( [id] => 8926718 [patent_doc_number] => 20130182479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'VARIABLE VOLTAGE REFERENCE IN POWER RECTIFICATION' [patent_app_type] => utility [patent_app_number] => 13/352061 [patent_app_country] => US [patent_app_date] => 2012-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1571 [patent_no_of_claims] => 11 [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] => 13352061 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/352061
VARIABLE VOLTAGE REFERENCE IN POWER RECTIFICATION Jan 16, 2012 Abandoned
Array ( [id] => 8925932 [patent_doc_number] => 20130181692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'POWER SUPPLY SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/348651 [patent_app_country] => US [patent_app_date] => 2012-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1303 [patent_no_of_claims] => 9 [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] => 13348651 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/348651
POWER SUPPLY SYSTEM Jan 11, 2012 Abandoned
Array ( [id] => 14708351 [patent_doc_number] => 10381942 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-08-13 [patent_title] => Balancing power distribution [patent_app_type] => utility [patent_app_number] => 13/270721 [patent_app_country] => US [patent_app_date] => 2011-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3752 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13270721 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/270721
Balancing power distribution Oct 10, 2011 Issued
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