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] => 7816565 [patent_doc_number] => 20120063185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'Modular switch for an electrical converter, electrical converter, as well as method for operating an electrical converter' [patent_app_type] => utility [patent_app_number] => 13/137801 [patent_app_country] => US [patent_app_date] => 2011-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4654 [patent_no_of_claims] => 18 [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] => publications/A1/0063/20120063185.pdf [firstpage_image] =>[orig_patent_app_number] => 13137801 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/137801
Modular switch for an electrical converter, electrical converter, as well as method for operating an electrical converter Sep 13, 2011 Issued
Array ( [id] => 10877109 [patent_doc_number] => 08901899 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-12-02 [patent_title] => 'DC to DC converter control systems and methods' [patent_app_type] => utility [patent_app_number] => 13/230311 [patent_app_country] => US [patent_app_date] => 2011-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7518 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13230311 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/230311
DC to DC converter control systems and methods Sep 11, 2011 Issued
Array ( [id] => 7815570 [patent_doc_number] => 20120062190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-15 [patent_title] => 'DC-DC CONVERTERS' [patent_app_type] => utility [patent_app_number] => 13/229101 [patent_app_country] => US [patent_app_date] => 2011-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 18471 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0062/20120062190.pdf [firstpage_image] =>[orig_patent_app_number] => 13229101 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/229101
DC-DC CONVERTERS Sep 8, 2011 Abandoned
Array ( [id] => 8610515 [patent_doc_number] => 20130015827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-17 [patent_title] => 'POWER MANAGEMENT CIRCUIT AND METHOD' [patent_app_type] => utility [patent_app_number] => 13/180241 [patent_app_country] => US [patent_app_date] => 2011-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4676 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [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] => 13180241 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/180241
Power management circuit and method Jul 10, 2011 Issued
Array ( [id] => 9032045 [patent_doc_number] => 20130234683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-12 [patent_title] => 'BOOST CONVERTER AND METHOD FOR ITS OPERATION' [patent_app_type] => utility [patent_app_number] => 13/811961 [patent_app_country] => US [patent_app_date] => 2011-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1716 [patent_no_of_claims] => 6 [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] => 13811961 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/811961
Boost converter and method for its operation Jun 13, 2011 Issued
Array ( [id] => 10526140 [patent_doc_number] => 09252665 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'DC-DC converter control apparatus' [patent_app_type] => utility [patent_app_number] => 13/700086 [patent_app_country] => US [patent_app_date] => 2011-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8463 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 420 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13700086 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/700086
DC-DC converter control apparatus May 11, 2011 Issued
Array ( [id] => 10132649 [patent_doc_number] => 09166496 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-20 [patent_title] => 'Load control device' [patent_app_type] => utility [patent_app_number] => 13/812161 [patent_app_country] => US [patent_app_date] => 2011-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6360 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13812161 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/812161
Load control device Feb 23, 2011 Issued
Array ( [id] => 8718217 [patent_doc_number] => 20130069435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'Pre-Stage Boost Device for UPS' [patent_app_type] => utility [patent_app_number] => 13/574541 [patent_app_country] => US [patent_app_date] => 2011-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5781 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [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] => 13574541 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/574541
Pre-Stage Boost Device for UPS Jan 24, 2011 Abandoned
Array ( [id] => 9869874 [patent_doc_number] => 08957650 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-17 [patent_title] => 'Step-up/down DC-DC converter and switching control circuit' [patent_app_type] => utility [patent_app_number] => 13/575731 [patent_app_country] => US [patent_app_date] => 2011-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 5200 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13575731 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/575731
Step-up/down DC-DC converter and switching control circuit Jan 16, 2011 Issued
Array ( [id] => 8605194 [patent_doc_number] => 20130010507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'PROTECTED POWER CONVERSION DEVICE AND CONTROL METHOD' [patent_app_type] => utility [patent_app_number] => 13/517051 [patent_app_country] => US [patent_app_date] => 2011-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8131 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [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] => 13517051 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/517051
PROTECTED POWER CONVERSION DEVICE AND CONTROL METHOD Jan 13, 2011 Abandoned
Array ( [id] => 11898756 [patent_doc_number] => 09768702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-09-19 [patent_title] => 'Converter with power factor correction' [patent_app_type] => utility [patent_app_number] => 13/513011 [patent_app_country] => US [patent_app_date] => 2010-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5558 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13513011 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/513011
Converter with power factor correction Nov 21, 2010 Issued
Array ( [id] => 8404550 [patent_doc_number] => 20120236608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'Flux Converter with Power Factor Correction' [patent_app_type] => utility [patent_app_number] => 13/513033 [patent_app_country] => US [patent_app_date] => 2010-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4538 [patent_no_of_claims] => 16 [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] => 13513033 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/513033
Flux converter with power factor correction Nov 21, 2010 Issued
Array ( [id] => 8482039 [patent_doc_number] => 20120281446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-11-08 [patent_title] => 'PREVENTING LOAD DUMP OVERVOLTAGES IN SYNCHRONOUS RECTIFIERS,' [patent_app_type] => utility [patent_app_number] => 13/510761 [patent_app_country] => US [patent_app_date] => 2010-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3966 [patent_no_of_claims] => 13 [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] => 13510761 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/510761
PREVENTING LOAD DUMP OVERVOLTAGES IN SYNCHRONOUS RECTIFIERS, Nov 16, 2010 Abandoned
Array ( [id] => 8404549 [patent_doc_number] => 20120236609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'APPARATUS FOR REDUCING STANDBY POWER' [patent_app_type] => utility [patent_app_number] => 13/505551 [patent_app_country] => US [patent_app_date] => 2010-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4700 [patent_no_of_claims] => 15 [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] => 13505551 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/505551
APPARATUS FOR REDUCING STANDBY POWER Oct 20, 2010 Abandoned
Array ( [id] => 8902752 [patent_doc_number] => 20130170255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-04 [patent_title] => 'APPARATUS FOR CONTROLLING THE ELECTRIC POWER TRANSMISSION IN A HVDC POWER TRANSMISSION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/819751 [patent_app_country] => US [patent_app_date] => 2010-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8109 [patent_no_of_claims] => 24 [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] => 13819751 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/819751
APPARATUS FOR CONTROLLING THE ELECTRIC POWER TRANSMISSION IN A HVDC POWER TRANSMISSION SYSTEM Sep 20, 2010 Abandoned
Array ( [id] => 8180876 [patent_doc_number] => 20120112718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-10 [patent_title] => 'Low-Dropout Regulator' [patent_app_type] => utility [patent_app_number] => 13/383941 [patent_app_country] => US [patent_app_date] => 2010-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3738 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20120112718.pdf [firstpage_image] =>[orig_patent_app_number] => 13383941 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/383941
Low-dropout regulator Jul 14, 2010 Issued
Array ( [id] => 8276457 [patent_doc_number] => 20120170328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-07-05 [patent_title] => 'Multimodal LED Power Supply With Wide Compliance Voltage and Safety Controlled Output' [patent_app_type] => utility [patent_app_number] => 13/378541 [patent_app_country] => US [patent_app_date] => 2010-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3026 [patent_no_of_claims] => 24 [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] => 13378541 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/378541
Multimodal LED Power Supply With Wide Compliance Voltage and Safety Controlled Output Jun 17, 2010 Abandoned
Array ( [id] => 7773652 [patent_doc_number] => 20120038330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-16 [patent_title] => 'METHOD AND AN APPARATUS FOR CONTROLLING THE OUTPUT VOLTAGE OF A BOOST CONVERTER COMPOSED OF PLURAL BRIDGE DEVICES' [patent_app_type] => utility [patent_app_number] => 13/259911 [patent_app_country] => US [patent_app_date] => 2010-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 24182 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0038/20120038330.pdf [firstpage_image] =>[orig_patent_app_number] => 13259911 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/259911
Method and an apparatus for controlling the output voltage of a boost converter composed of plural bridge devices Apr 21, 2010 Issued
Array ( [id] => 7482685 [patent_doc_number] => 20110249478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-10-13 [patent_title] => 'POWER OUTPUT STAGE FOR A PULSE-CONTROLLED INVERTER' [patent_app_type] => utility [patent_app_number] => 13/125032 [patent_app_country] => US [patent_app_date] => 2009-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1840 [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] => publications/A1/0249/20110249478.pdf [firstpage_image] =>[orig_patent_app_number] => 13125032 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/125032
POWER OUTPUT STAGE FOR A PULSE-CONTROLLED INVERTER Sep 17, 2009 Abandoned
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