Search

Matthew Van Nguyen

Examiner (ID: 15952, Phone: (571)272-2081 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2102, 2838, 2839, 2111
Total Applications
3253
Issued Applications
3031
Pending Applications
87
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3562681 [patent_doc_number] => 05519601 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-21 [patent_title] => 'Pulse-width modulated circuit for applying current to a load' [patent_app_type] => 1 [patent_app_number] => 8/284105 [patent_app_country] => US [patent_app_date] => 1994-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 6077 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/519/05519601.pdf [firstpage_image] =>[orig_patent_app_number] => 284105 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/284105
Pulse-width modulated circuit for applying current to a load Aug 1, 1994 Issued
Array ( [id] => 3600602 [patent_doc_number] => 05568373 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-22 [patent_title] => 'Tolerant power converter' [patent_app_type] => 1 [patent_app_number] => 8/281754 [patent_app_country] => US [patent_app_date] => 1994-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 20 [patent_no_of_words] => 6370 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/568/05568373.pdf [firstpage_image] =>[orig_patent_app_number] => 281754 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/281754
Tolerant power converter Jul 27, 1994 Issued
Array ( [id] => 3463185 [patent_doc_number] => 05452196 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-19 [patent_title] => 'Protection system for thyristor valve having first and second reverse voltage detection circuits' [patent_app_type] => 1 [patent_app_number] => 8/281785 [patent_app_country] => US [patent_app_date] => 1994-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3689 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/452/05452196.pdf [firstpage_image] =>[orig_patent_app_number] => 281785 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/281785
Protection system for thyristor valve having first and second reverse voltage detection circuits Jul 27, 1994 Issued
Array ( [id] => 3526339 [patent_doc_number] => 05489840 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-06 [patent_title] => 'Control circuit for controlling voltage supply to electric devices' [patent_app_type] => 1 [patent_app_number] => 8/279404 [patent_app_country] => US [patent_app_date] => 1994-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2481 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/489/05489840.pdf [firstpage_image] =>[orig_patent_app_number] => 279404 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/279404
Control circuit for controlling voltage supply to electric devices Jul 24, 1994 Issued
Array ( [id] => 3584577 [patent_doc_number] => 05523936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-04 [patent_title] => 'Built-in input filter forward converter' [patent_app_type] => 1 [patent_app_number] => 8/279531 [patent_app_country] => US [patent_app_date] => 1994-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 1663 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/523/05523936.pdf [firstpage_image] =>[orig_patent_app_number] => 279531 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/279531
Built-in input filter forward converter Jul 24, 1994 Issued
Array ( [id] => 3424144 [patent_doc_number] => 05479088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-26 [patent_title] => 'Chopper type DC-DC converter' [patent_app_type] => 1 [patent_app_number] => 8/279105 [patent_app_country] => US [patent_app_date] => 1994-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 7166 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/479/05479088.pdf [firstpage_image] =>[orig_patent_app_number] => 279105 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/279105
Chopper type DC-DC converter Jul 21, 1994 Issued
Array ( [id] => 3522683 [patent_doc_number] => 05513092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-30 [patent_title] => 'Precision regulated low loss high-power power supply' [patent_app_type] => 1 [patent_app_number] => 8/277260 [patent_app_country] => US [patent_app_date] => 1994-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4597 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/513/05513092.pdf [firstpage_image] =>[orig_patent_app_number] => 277260 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/277260
Precision regulated low loss high-power power supply Jul 18, 1994 Issued
08/276874 2-POLE, SINGLE OR DUAL COIL MOVING MAGNET MOTOR WITH MOVING BACK IRON Jul 17, 1994 Abandoned
Array ( [id] => 3566235 [patent_doc_number] => 05502632 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-26 [patent_title] => 'High voltage integrated circuit driver for half-bridge circuit employing a bootstrap diode emulator' [patent_app_type] => 1 [patent_app_number] => 8/275569 [patent_app_country] => US [patent_app_date] => 1994-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3499 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/502/05502632.pdf [firstpage_image] =>[orig_patent_app_number] => 275569 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/275569
High voltage integrated circuit driver for half-bridge circuit employing a bootstrap diode emulator Jul 14, 1994 Issued
Array ( [id] => 3127939 [patent_doc_number] => 05450310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Control system for power converter with prevention of DC magnetization in the transformer' [patent_app_type] => 1 [patent_app_number] => 8/274454 [patent_app_country] => US [patent_app_date] => 1994-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3276 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/450/05450310.pdf [firstpage_image] =>[orig_patent_app_number] => 274454 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/274454
Control system for power converter with prevention of DC magnetization in the transformer Jul 12, 1994 Issued
Array ( [id] => 3571659 [patent_doc_number] => 05485075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-16 [patent_title] => 'Reactive power compensating apparatus and method for reducing in switching loss in steady state operation thereof' [patent_app_type] => 1 [patent_app_number] => 8/269025 [patent_app_country] => US [patent_app_date] => 1994-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3633 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/485/05485075.pdf [firstpage_image] =>[orig_patent_app_number] => 269025 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/269025
Reactive power compensating apparatus and method for reducing in switching loss in steady state operation thereof Jun 29, 1994 Issued
Array ( [id] => 3554333 [patent_doc_number] => 05548203 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-20 [patent_title] => 'Capacitor polarity-based var correction controller for resonant line conditions and large amplitude line harmonics' [patent_app_type] => 1 [patent_app_number] => 8/269165 [patent_app_country] => US [patent_app_date] => 1994-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5912 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/548/05548203.pdf [firstpage_image] =>[orig_patent_app_number] => 269165 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/269165
Capacitor polarity-based var correction controller for resonant line conditions and large amplitude line harmonics Jun 28, 1994 Issued
Array ( [id] => 3657217 [patent_doc_number] => 05640314 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-17 [patent_title] => 'Symmetrical power system' [patent_app_type] => 1 [patent_app_number] => 8/261814 [patent_app_country] => US [patent_app_date] => 1994-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 8080 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/640/05640314.pdf [firstpage_image] =>[orig_patent_app_number] => 261814 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/261814
Symmetrical power system Jun 16, 1994 Issued
Array ( [id] => 3576551 [patent_doc_number] => 05539301 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Monolithically integrated power output stage' [patent_app_type] => 1 [patent_app_number] => 8/260934 [patent_app_country] => US [patent_app_date] => 1994-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2170 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/539/05539301.pdf [firstpage_image] =>[orig_patent_app_number] => 260934 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/260934
Monolithically integrated power output stage Jun 15, 1994 Issued
Array ( [id] => 3625355 [patent_doc_number] => 05642035 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-24 [patent_title] => 'Transfection high-voltage controller' [patent_app_type] => 1 [patent_app_number] => 8/260654 [patent_app_country] => US [patent_app_date] => 1994-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6989 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/642/05642035.pdf [firstpage_image] =>[orig_patent_app_number] => 260654 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/260654
Transfection high-voltage controller Jun 15, 1994 Issued
Array ( [id] => 3522642 [patent_doc_number] => 05513089 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-30 [patent_title] => 'Switching power source control circuit for controlling a variable output to be a target value by thinning-out switching pulses' [patent_app_type] => 1 [patent_app_number] => 8/261893 [patent_app_country] => US [patent_app_date] => 1994-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 5987 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/513/05513089.pdf [firstpage_image] =>[orig_patent_app_number] => 261893 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/261893
Switching power source control circuit for controlling a variable output to be a target value by thinning-out switching pulses Jun 14, 1994 Issued
Array ( [id] => 3488915 [patent_doc_number] => 05457624 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-10 [patent_title] => 'Efficient switched mode power converter circuit and method' [patent_app_type] => 1 [patent_app_number] => 8/259404 [patent_app_country] => US [patent_app_date] => 1994-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 9431 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/457/05457624.pdf [firstpage_image] =>[orig_patent_app_number] => 259404 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/259404
Efficient switched mode power converter circuit and method Jun 12, 1994 Issued
Array ( [id] => 3496632 [patent_doc_number] => 05475581 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-12-12 [patent_title] => 'Waveform flat-topping unit' [patent_app_type] => 1 [patent_app_number] => 8/258295 [patent_app_country] => US [patent_app_date] => 1994-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 8415 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/475/05475581.pdf [firstpage_image] =>[orig_patent_app_number] => 258295 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/258295
Waveform flat-topping unit Jun 9, 1994 Issued
Array ( [id] => 3559907 [patent_doc_number] => 05572416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-05 [patent_title] => 'Isolated input current sense means for high power factor rectifier' [patent_app_type] => 1 [patent_app_number] => 8/255624 [patent_app_country] => US [patent_app_date] => 1994-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1993 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/572/05572416.pdf [firstpage_image] =>[orig_patent_app_number] => 255624 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/255624
Isolated input current sense means for high power factor rectifier Jun 8, 1994 Issued
Array ( [id] => 3669630 [patent_doc_number] => 05598092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-01-28 [patent_title] => 'DC-DC converter' [patent_app_type] => 1 [patent_app_number] => 8/255984 [patent_app_country] => US [patent_app_date] => 1994-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5000 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/598/05598092.pdf [firstpage_image] =>[orig_patent_app_number] => 255984 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/255984
DC-DC converter Jun 7, 1994 Issued
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