Search

Matthew David

Examiner (ID: 11103, Phone: (571)272-2467 , Office: P/2615 )

Most Active Art Unit
2111
Art Unit(s)
2615, 2111
Total Applications
342
Issued Applications
234
Pending Applications
0
Abandoned Applications
109

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2943176 [patent_doc_number] => 05189600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-23 [patent_title] => 'Combined power supply for main and stand-by power' [patent_app_type] => 1 [patent_app_number] => 7/810247 [patent_app_country] => US [patent_app_date] => 1991-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1747 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/189/05189600.pdf [firstpage_image] =>[orig_patent_app_number] => 810247 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/810247
Combined power supply for main and stand-by power Dec 18, 1991 Issued
Array ( [id] => 2978515 [patent_doc_number] => 05258903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-02 [patent_title] => 'Control circuit and power supply for televisions' [patent_app_type] => 1 [patent_app_number] => 7/807358 [patent_app_country] => US [patent_app_date] => 1991-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4939 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/258/05258903.pdf [firstpage_image] =>[orig_patent_app_number] => 807358 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/807358
Control circuit and power supply for televisions Dec 15, 1991 Issued
Array ( [id] => 2997015 [patent_doc_number] => 05267133 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Switching power source' [patent_app_type] => 1 [patent_app_number] => 7/804584 [patent_app_country] => US [patent_app_date] => 1991-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2482 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/267/05267133.pdf [firstpage_image] =>[orig_patent_app_number] => 804584 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/804584
Switching power source Dec 9, 1991 Issued
Array ( [id] => 3095404 [patent_doc_number] => 05285365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-08 [patent_title] => 'Power conversion system, method for controlling the same, and uninterruptible power supply using the same' [patent_app_type] => 1 [patent_app_number] => 7/797924 [patent_app_country] => US [patent_app_date] => 1991-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 63 [patent_no_of_words] => 4170 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 442 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/285/05285365.pdf [firstpage_image] =>[orig_patent_app_number] => 797924 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/797924
Power conversion system, method for controlling the same, and uninterruptible power supply using the same Nov 25, 1991 Issued
07/787993 MICROPROCESSOR CONTROL OF MULTIPLE PEAK POWER TRACKING DC/DC CONVERTERS FOR USE WITH SOLAR CELL ARRAYS Nov 4, 1991 Abandoned
Array ( [id] => 3056135 [patent_doc_number] => 05307008 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-26 [patent_title] => 'Current ratio device and toroidal core assembly therefor' [patent_app_type] => 1 [patent_app_number] => 7/787086 [patent_app_country] => US [patent_app_date] => 1991-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4199 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307008.pdf [firstpage_image] =>[orig_patent_app_number] => 787086 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/787086
Current ratio device and toroidal core assembly therefor Nov 3, 1991 Issued
Array ( [id] => 2954829 [patent_doc_number] => 05262677 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Reactor subsynchronous tuning scheme' [patent_app_type] => 1 [patent_app_number] => 7/782291 [patent_app_country] => US [patent_app_date] => 1991-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1874 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262677.pdf [firstpage_image] =>[orig_patent_app_number] => 782291 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/782291
Reactor subsynchronous tuning scheme Oct 23, 1991 Issued
Array ( [id] => 2847204 [patent_doc_number] => 05161096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'Method and circuit to quickly start a negative switching voltage regulator' [patent_app_type] => 1 [patent_app_number] => 7/778417 [patent_app_country] => US [patent_app_date] => 1991-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1735 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161096.pdf [firstpage_image] =>[orig_patent_app_number] => 778417 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/778417
Method and circuit to quickly start a negative switching voltage regulator Oct 15, 1991 Issued
Array ( [id] => 2814839 [patent_doc_number] => 05148357 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Auto-connected hexagon transformer for a 12-pulse converter' [patent_app_type] => 1 [patent_app_number] => 7/772504 [patent_app_country] => US [patent_app_date] => 1991-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 1598 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/148/05148357.pdf [firstpage_image] =>[orig_patent_app_number] => 772504 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/772504
Auto-connected hexagon transformer for a 12-pulse converter Oct 6, 1991 Issued
Array ( [id] => 2951992 [patent_doc_number] => 05224028 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-29 [patent_title] => 'Method for defining pulse width modulation (PWM) waveform patterns to produce inverter outputs having a low harmonic content' [patent_app_type] => 1 [patent_app_number] => 7/773114 [patent_app_country] => US [patent_app_date] => 1991-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2954 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/224/05224028.pdf [firstpage_image] =>[orig_patent_app_number] => 773114 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/773114
Method for defining pulse width modulation (PWM) waveform patterns to produce inverter outputs having a low harmonic content Oct 3, 1991 Issued
Array ( [id] => 2921671 [patent_doc_number] => 05227964 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Switching power supply with overcurrent protection circuit' [patent_app_type] => 1 [patent_app_number] => 7/769860 [patent_app_country] => US [patent_app_date] => 1991-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3998 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/227/05227964.pdf [firstpage_image] =>[orig_patent_app_number] => 769860 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/769860
Switching power supply with overcurrent protection circuit Oct 1, 1991 Issued
07/765589 HIGH-SPEED, FULLY-ISOLATED CURRENT SOURCE/SINK Sep 24, 1991 Abandoned
Array ( [id] => 2928282 [patent_doc_number] => 05206802 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-04-27 [patent_title] => 'Blanking interval voltage deviation compensator for inverters and converters' [patent_app_type] => 1 [patent_app_number] => 7/761113 [patent_app_country] => US [patent_app_date] => 1991-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3938 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/206/05206802.pdf [firstpage_image] =>[orig_patent_app_number] => 761113 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/761113
Blanking interval voltage deviation compensator for inverters and converters Sep 16, 1991 Issued
Array ( [id] => 2800237 [patent_doc_number] => 05103388 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-07 [patent_title] => 'Low harmonic current and fault tolerant power supply' [patent_app_type] => 1 [patent_app_number] => 7/760796 [patent_app_country] => US [patent_app_date] => 1991-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1917 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/103/05103388.pdf [firstpage_image] =>[orig_patent_app_number] => 760796 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/760796
Low harmonic current and fault tolerant power supply Sep 15, 1991 Issued
Array ( [id] => 2833236 [patent_doc_number] => 05133095 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-28 [patent_title] => 'Method of and system for supplying electric power to automatic water discharge apparatus' [patent_app_type] => 1 [patent_app_number] => 7/754024 [patent_app_country] => US [patent_app_date] => 1991-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 9 [patent_no_of_words] => 2344 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/133/05133095.pdf [firstpage_image] =>[orig_patent_app_number] => 754024 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/754024
Method of and system for supplying electric power to automatic water discharge apparatus Sep 2, 1991 Issued
07/748087 METHOD FOR TEMPERATURE-COMPENSATING ZENER DIODES HAVING EITHER POSITIVE OR NEGATIVE TEMPERATURE COEFFICIENTS Aug 20, 1991 Abandoned
07/746765 LOW POWER SWITCHING POWER SUPPLY CIRCUITS AND METHODS Aug 15, 1991 Abandoned
Array ( [id] => 2811315 [patent_doc_number] => 05157322 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-10-20 [patent_title] => 'PNP transistor base drive compensation circuit' [patent_app_type] => 1 [patent_app_number] => 7/743844 [patent_app_country] => US [patent_app_date] => 1991-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3371 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/157/05157322.pdf [firstpage_image] =>[orig_patent_app_number] => 743844 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/743844
PNP transistor base drive compensation circuit Aug 12, 1991 Issued
07/743209 INVERTER Aug 8, 1991 Abandoned
Array ( [id] => 2785024 [patent_doc_number] => 05132893 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-07-21 [patent_title] => 'Voltage supply circuit' [patent_app_type] => 1 [patent_app_number] => 7/735976 [patent_app_country] => US [patent_app_date] => 1991-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1892 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/132/05132893.pdf [firstpage_image] =>[orig_patent_app_number] => 735976 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/735976
Voltage supply circuit Jul 24, 1991 Issued
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