Search

Mark Halvorson

Examiner (ID: 11427, Phone: (571)272-6539 , Office: P/1642 )

Most Active Art Unit
1642
Art Unit(s)
1642, 1646
Total Applications
1093
Issued Applications
455
Pending Applications
118
Abandoned Applications
540

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2753966 [patent_doc_number] => 05003452 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'High-voltage supply device for an x-ray tube' [patent_app_type] => 1 [patent_app_number] => 7/471593 [patent_app_country] => US [patent_app_date] => 1990-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3129 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/003/05003452.pdf [firstpage_image] =>[orig_patent_app_number] => 471593 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/471593
High-voltage supply device for an x-ray tube Jan 28, 1990 Issued
Array ( [id] => 2681600 [patent_doc_number] => 04984145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-08 [patent_title] => 'Circuit arrangement for free-running blocking-oscillator type switched power pack' [patent_app_type] => 1 [patent_app_number] => 7/470250 [patent_app_country] => US [patent_app_date] => 1990-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3070 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/984/04984145.pdf [firstpage_image] =>[orig_patent_app_number] => 470250 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/470250
Circuit arrangement for free-running blocking-oscillator type switched power pack Jan 24, 1990 Issued
Array ( [id] => 2649981 [patent_doc_number] => 04980574 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Solar irrigation D.C. to A.C. power system supplying A.C. voltage at a precise power frequency' [patent_app_type] => 1 [patent_app_number] => 7/468847 [patent_app_country] => US [patent_app_date] => 1990-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 9 [patent_no_of_words] => 2936 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980574.pdf [firstpage_image] =>[orig_patent_app_number] => 468847 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/468847
Solar irrigation D.C. to A.C. power system supplying A.C. voltage at a precise power frequency Jan 22, 1990 Issued
07/467658 HIGH-VOLTAGE POWER SUPPLY AND REGULATOR CIRCUIT FOR AN X-RAY TUBE WITH CLOSED-LOOP FEEDBACK FOR CONTROLLING X-RAY EXPOSURE Jan 18, 1990 Abandoned
Array ( [id] => 2717157 [patent_doc_number] => 05055990 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-08 [patent_title] => 'Snubber circuit for power conversion semiconductor elements and assembly thereof' [patent_app_type] => 1 [patent_app_number] => 7/466515 [patent_app_country] => US [patent_app_date] => 1990-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 22 [patent_no_of_words] => 6417 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/055/05055990.pdf [firstpage_image] =>[orig_patent_app_number] => 466515 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/466515
Snubber circuit for power conversion semiconductor elements and assembly thereof Jan 16, 1990 Issued
Array ( [id] => 2604382 [patent_doc_number] => 04975825 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Stacked power converter' [patent_app_type] => 1 [patent_app_number] => 7/466067 [patent_app_country] => US [patent_app_date] => 1990-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 6232 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975825.pdf [firstpage_image] =>[orig_patent_app_number] => 466067 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/466067
Stacked power converter Jan 15, 1990 Issued
Array ( [id] => 2687997 [patent_doc_number] => 05005112 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-02 [patent_title] => 'Regulated D.C.-D.C. power converter having multiple D.C. outputs' [patent_app_type] => 1 [patent_app_number] => 7/465812 [patent_app_country] => US [patent_app_date] => 1990-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2683 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/005/05005112.pdf [firstpage_image] =>[orig_patent_app_number] => 465812 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/465812
Regulated D.C.-D.C. power converter having multiple D.C. outputs Jan 15, 1990 Issued
Array ( [id] => 2726111 [patent_doc_number] => 05025134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-18 [patent_title] => 'Means for refreshing a triac control circuit power supply' [patent_app_type] => 1 [patent_app_number] => 7/465734 [patent_app_country] => US [patent_app_date] => 1990-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3467 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/025/05025134.pdf [firstpage_image] =>[orig_patent_app_number] => 465734 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/465734
Means for refreshing a triac control circuit power supply Jan 15, 1990 Issued
Array ( [id] => 2909100 [patent_doc_number] => 05248932 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-28 [patent_title] => 'Current mirror circuit with cascoded bipolar transistors' [patent_app_type] => 1 [patent_app_number] => 7/474172 [patent_app_country] => US [patent_app_date] => 1990-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2985 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/248/05248932.pdf [firstpage_image] =>[orig_patent_app_number] => 474172 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/474172
Current mirror circuit with cascoded bipolar transistors Jan 12, 1990 Issued
Array ( [id] => 2772400 [patent_doc_number] => 05063491 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-05 [patent_title] => 'Switching regular undervoltage detector' [patent_app_type] => 1 [patent_app_number] => 7/459812 [patent_app_country] => US [patent_app_date] => 1990-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1844 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/063/05063491.pdf [firstpage_image] =>[orig_patent_app_number] => 459812 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/459812
Switching regular undervoltage detector Jan 11, 1990 Issued
Array ( [id] => 2753981 [patent_doc_number] => 05030903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-09 [patent_title] => 'Voltage generator for generating a stable voltage independent of variations in the ambient temperature and of variations in the supply voltage' [patent_app_type] => 1 [patent_app_number] => 7/463616 [patent_app_country] => US [patent_app_date] => 1990-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4341 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 393 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/030/05030903.pdf [firstpage_image] =>[orig_patent_app_number] => 463616 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/463616
Voltage generator for generating a stable voltage independent of variations in the ambient temperature and of variations in the supply voltage Jan 10, 1990 Issued
Array ( [id] => 2712162 [patent_doc_number] => 05013999 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-07 [patent_title] => 'Voltage generating circuit using a Schottky barrier diode' [patent_app_type] => 1 [patent_app_number] => 7/463423 [patent_app_country] => US [patent_app_date] => 1990-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2514 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/013/05013999.pdf [firstpage_image] =>[orig_patent_app_number] => 463423 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/463423
Voltage generating circuit using a Schottky barrier diode Jan 10, 1990 Issued
Array ( [id] => 2679152 [patent_doc_number] => 05034875 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-23 [patent_title] => 'Voltage multiplier circuit' [patent_app_type] => 1 [patent_app_number] => 7/463030 [patent_app_country] => US [patent_app_date] => 1990-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 2578 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/034/05034875.pdf [firstpage_image] =>[orig_patent_app_number] => 463030 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/463030
Voltage multiplier circuit Jan 9, 1990 Issued
Array ( [id] => 2754001 [patent_doc_number] => 05003454 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Power supply with improved power factor correction' [patent_app_type] => 1 [patent_app_number] => 7/462682 [patent_app_country] => US [patent_app_date] => 1990-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4357 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/003/05003454.pdf [firstpage_image] =>[orig_patent_app_number] => 462682 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/462682
Power supply with improved power factor correction Jan 8, 1990 Issued
Array ( [id] => 2756765 [patent_doc_number] => 05038263 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-06 [patent_title] => 'Ripple current reduction circuit' [patent_app_type] => 1 [patent_app_number] => 7/460376 [patent_app_country] => US [patent_app_date] => 1990-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 30 [patent_no_of_words] => 6241 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/038/05038263.pdf [firstpage_image] =>[orig_patent_app_number] => 460376 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/460376
Ripple current reduction circuit Jan 2, 1990 Issued
Array ( [id] => 2775645 [patent_doc_number] => 05036452 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Current sharing control with limited output voltage range for paralleled power converters' [patent_app_type] => 1 [patent_app_number] => 7/458009 [patent_app_country] => US [patent_app_date] => 1989-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1916 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/036/05036452.pdf [firstpage_image] =>[orig_patent_app_number] => 458009 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/458009
Current sharing control with limited output voltage range for paralleled power converters Dec 27, 1989 Issued
Array ( [id] => 2634993 [patent_doc_number] => 04967309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-30 [patent_title] => 'Dual current sensing driver circuit' [patent_app_type] => 1 [patent_app_number] => 7/456918 [patent_app_country] => US [patent_app_date] => 1989-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4415 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/967/04967309.pdf [firstpage_image] =>[orig_patent_app_number] => 456918 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456918
Dual current sensing driver circuit Dec 25, 1989 Issued
Array ( [id] => 2692212 [patent_doc_number] => 05049806 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Band-gap type voltage generating circuit for an ECL circuit' [patent_app_type] => 1 [patent_app_number] => 7/456556 [patent_app_country] => US [patent_app_date] => 1989-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4288 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/049/05049806.pdf [firstpage_image] =>[orig_patent_app_number] => 456556 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456556
Band-gap type voltage generating circuit for an ECL circuit Dec 25, 1989 Issued
Array ( [id] => 2673352 [patent_doc_number] => 04954726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Switching an inverter with stored signal sequences' [patent_app_type] => 1 [patent_app_number] => 7/456043 [patent_app_country] => US [patent_app_date] => 1989-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 9934 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954726.pdf [firstpage_image] =>[orig_patent_app_number] => 456043 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/456043
Switching an inverter with stored signal sequences Dec 21, 1989 Issued
Array ( [id] => 2725400 [patent_doc_number] => 05008794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-16 [patent_title] => 'Regulated flyback converter with spike suppressing coupled inductors' [patent_app_type] => 1 [patent_app_number] => 7/455601 [patent_app_country] => US [patent_app_date] => 1989-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2572 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/008/05008794.pdf [firstpage_image] =>[orig_patent_app_number] => 455601 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/455601
Regulated flyback converter with spike suppressing coupled inductors Dec 20, 1989 Issued
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