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] => 2921650 [patent_doc_number] => 05227963 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Flat-top waveform generator and pulse-width modulator using same' [patent_app_type] => 1 [patent_app_number] => 7/870646 [patent_app_country] => US [patent_app_date] => 1992-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2733 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/227/05227963.pdf [firstpage_image] =>[orig_patent_app_number] => 870646 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/870646
Flat-top waveform generator and pulse-width modulator using same Apr 15, 1992 Issued
Array ( [id] => 3093768 [patent_doc_number] => 05278491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-11 [patent_title] => 'Constant voltage circuit' [patent_app_type] => 1 [patent_app_number] => 7/865663 [patent_app_country] => US [patent_app_date] => 1992-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1853 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/278/05278491.pdf [firstpage_image] =>[orig_patent_app_number] => 865663 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/865663
Constant voltage circuit Apr 6, 1992 Issued
Array ( [id] => 3091547 [patent_doc_number] => 05280419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Method and switching arrangement for regulation of a two-dimensional vector of a segment by means of a value-discrete setting element with a limited switching frequency' [patent_app_type] => 1 [patent_app_number] => 7/858335 [patent_app_country] => US [patent_app_date] => 1992-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 8073 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/280/05280419.pdf [firstpage_image] =>[orig_patent_app_number] => 858335 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/858335
Method and switching arrangement for regulation of a two-dimensional vector of a segment by means of a value-discrete setting element with a limited switching frequency Mar 25, 1992 Issued
Array ( [id] => 2924112 [patent_doc_number] => 05179492 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-12 [patent_title] => 'Protection circuit for detachable operating unit used in audio device' [patent_app_type] => 1 [patent_app_number] => 7/857719 [patent_app_country] => US [patent_app_date] => 1992-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1348 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/179/05179492.pdf [firstpage_image] =>[orig_patent_app_number] => 857719 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/857719
Protection circuit for detachable operating unit used in audio device Mar 24, 1992 Issued
07/854874 GALVANIC ISOLATION DEVICE FOR DIRECT CURRENT ELECTRICAL SIGNALS OR ELECTRICAL SIGNALS LIKELY TO INCLUDE A DIRECT CURRENT COMPONENT Mar 19, 1992 Abandoned
Array ( [id] => 2992426 [patent_doc_number] => 05266885 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Generator of reference voltage that varies with temperature having given thermal drift and linear function of the supply voltage' [patent_app_type] => 1 [patent_app_number] => 7/851980 [patent_app_country] => US [patent_app_date] => 1992-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2835 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/266/05266885.pdf [firstpage_image] =>[orig_patent_app_number] => 851980 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851980
Generator of reference voltage that varies with temperature having given thermal drift and linear function of the supply voltage Mar 11, 1992 Issued
Array ( [id] => 3085185 [patent_doc_number] => 05323303 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-21 [patent_title] => 'Active damper for EMI filter' [patent_app_type] => 1 [patent_app_number] => 7/847146 [patent_app_country] => US [patent_app_date] => 1992-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1681 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/323/05323303.pdf [firstpage_image] =>[orig_patent_app_number] => 847146 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/847146
Active damper for EMI filter Mar 4, 1992 Issued
Array ( [id] => 3106487 [patent_doc_number] => 05319514 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-07 [patent_title] => 'Digital voltage and phase monitor for AC power line' [patent_app_type] => 1 [patent_app_number] => 7/846294 [patent_app_country] => US [patent_app_date] => 1992-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6548 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/319/05319514.pdf [firstpage_image] =>[orig_patent_app_number] => 846294 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/846294
Digital voltage and phase monitor for AC power line Mar 2, 1992 Issued
Array ( [id] => 2959539 [patent_doc_number] => 05262932 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Power converter' [patent_app_type] => 1 [patent_app_number] => 7/845186 [patent_app_country] => US [patent_app_date] => 1992-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 7284 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 374 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262932.pdf [firstpage_image] =>[orig_patent_app_number] => 845186 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/845186
Power converter Mar 2, 1992 Issued
Array ( [id] => 2932891 [patent_doc_number] => 05187429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-16 [patent_title] => 'Reference voltage generator for dynamic random access memory' [patent_app_type] => 1 [patent_app_number] => 7/838172 [patent_app_country] => US [patent_app_date] => 1992-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3479 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/187/05187429.pdf [firstpage_image] =>[orig_patent_app_number] => 838172 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/838172
Reference voltage generator for dynamic random access memory Feb 19, 1992 Issued
Array ( [id] => 2968787 [patent_doc_number] => 05264785 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-23 [patent_title] => 'Voltage-controlled resistance element with superior dynamic range' [patent_app_type] => 1 [patent_app_number] => 7/831697 [patent_app_country] => US [patent_app_date] => 1992-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2463 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/264/05264785.pdf [firstpage_image] =>[orig_patent_app_number] => 831697 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/831697
Voltage-controlled resistance element with superior dynamic range Feb 3, 1992 Issued
Array ( [id] => 3081140 [patent_doc_number] => 05296800 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Regulated power supply circuit' [patent_app_type] => 1 [patent_app_number] => 7/828203 [patent_app_country] => US [patent_app_date] => 1992-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1798 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/296/05296800.pdf [firstpage_image] =>[orig_patent_app_number] => 828203 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/828203
Regulated power supply circuit Jan 29, 1992 Issued
Array ( [id] => 2983929 [patent_doc_number] => 05252909 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Constant-voltage generating circuit' [patent_app_type] => 1 [patent_app_number] => 7/824063 [patent_app_country] => US [patent_app_date] => 1992-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2784 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/252/05252909.pdf [firstpage_image] =>[orig_patent_app_number] => 824063 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/824063
Constant-voltage generating circuit Jan 22, 1992 Issued
Array ( [id] => 3101251 [patent_doc_number] => 05293111 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Method for minimizing the switching loss in a power switch' [patent_app_type] => 1 [patent_app_number] => 7/823752 [patent_app_country] => US [patent_app_date] => 1992-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 2256 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293111.pdf [firstpage_image] =>[orig_patent_app_number] => 823752 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/823752
Method for minimizing the switching loss in a power switch Jan 21, 1992 Issued
Array ( [id] => 2984637 [patent_doc_number] => 05208739 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-04 [patent_title] => 'Integrated magnetic power converter' [patent_app_type] => 1 [patent_app_number] => 7/817600 [patent_app_country] => US [patent_app_date] => 1992-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 4447 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 635 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/208/05208739.pdf [firstpage_image] =>[orig_patent_app_number] => 817600 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/817600
Integrated magnetic power converter Jan 6, 1992 Issued
Array ( [id] => 2939424 [patent_doc_number] => 05220273 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-15 [patent_title] => 'Reference voltage circuit with positive temperature compensation' [patent_app_type] => 1 [patent_app_number] => 7/815521 [patent_app_country] => US [patent_app_date] => 1992-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1449 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/220/05220273.pdf [firstpage_image] =>[orig_patent_app_number] => 815521 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/815521
Reference voltage circuit with positive temperature compensation Jan 1, 1992 Issued
Array ( [id] => 3088089 [patent_doc_number] => 05280234 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-18 [patent_title] => 'Voltage regulator circuit' [patent_app_type] => 1 [patent_app_number] => 7/816110 [patent_app_country] => US [patent_app_date] => 1992-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1569 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/280/05280234.pdf [firstpage_image] =>[orig_patent_app_number] => 816110 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/816110
Voltage regulator circuit Jan 1, 1992 Issued
Array ( [id] => 2915428 [patent_doc_number] => 05237147 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Electronic device for controlling and monitoring the electrical power supply to resistance welding equipment in particular as used in the manufacture of cans' [patent_app_type] => 1 [patent_app_number] => 7/812807 [patent_app_country] => US [patent_app_date] => 1991-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2497 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/237/05237147.pdf [firstpage_image] =>[orig_patent_app_number] => 812807 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/812807
Electronic device for controlling and monitoring the electrical power supply to resistance welding equipment in particular as used in the manufacture of cans Dec 23, 1991 Issued
Array ( [id] => 2850014 [patent_doc_number] => 05161241 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-03 [patent_title] => 'CRT power supply apparatus having synchronized high and low voltage power supply switching circuits' [patent_app_type] => 1 [patent_app_number] => 7/813061 [patent_app_country] => US [patent_app_date] => 1991-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1599 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/161/05161241.pdf [firstpage_image] =>[orig_patent_app_number] => 813061 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/813061
CRT power supply apparatus having synchronized high and low voltage power supply switching circuits Dec 22, 1991 Issued
Array ( [id] => 2921613 [patent_doc_number] => 05227961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-13 [patent_title] => 'Symmetrical delay circuit' [patent_app_type] => 1 [patent_app_number] => 7/811331 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4735 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/227/05227961.pdf [firstpage_image] =>[orig_patent_app_number] => 811331 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811331
Symmetrical delay circuit Dec 19, 1991 Issued
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