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] => 3515925 [patent_doc_number] => 05570279 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-29 [patent_title] => 'PWM converters for three phase AC power control and AC to DC conversion' [patent_app_type] => 1 [patent_app_number] => 8/309356 [patent_app_country] => US [patent_app_date] => 1994-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 23 [patent_no_of_words] => 5653 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/570/05570279.pdf [firstpage_image] =>[orig_patent_app_number] => 309356 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/309356
PWM converters for three phase AC power control and AC to DC conversion Sep 20, 1994 Issued
Array ( [id] => 3629653 [patent_doc_number] => 05615097 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-25 [patent_title] => 'Transient over voltage protection circuit for electrical power converters' [patent_app_type] => 1 [patent_app_number] => 8/309074 [patent_app_country] => US [patent_app_date] => 1994-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3508 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/615/05615097.pdf [firstpage_image] =>[orig_patent_app_number] => 309074 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/309074
Transient over voltage protection circuit for electrical power converters Sep 19, 1994 Issued
Array ( [id] => 3540225 [patent_doc_number] => 05583751 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-10 [patent_title] => 'Power supply unit for electric motor vehicle' [patent_app_type] => 1 [patent_app_number] => 8/307015 [patent_app_country] => US [patent_app_date] => 1994-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 36 [patent_no_of_words] => 17010 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/583/05583751.pdf [firstpage_image] =>[orig_patent_app_number] => 307015 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/307015
Power supply unit for electric motor vehicle Sep 15, 1994 Issued
Array ( [id] => 3566250 [patent_doc_number] => 05502633 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-26 [patent_title] => 'Method and apparatus for controlling an inverter' [patent_app_type] => 1 [patent_app_number] => 8/306579 [patent_app_country] => US [patent_app_date] => 1994-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 29 [patent_no_of_words] => 9202 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 425 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/502/05502633.pdf [firstpage_image] =>[orig_patent_app_number] => 306579 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/306579
Method and apparatus for controlling an inverter Sep 14, 1994 Issued
Array ( [id] => 3761720 [patent_doc_number] => 05721483 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-24 [patent_title] => 'Method and apparatus for enabling a step-up or step-down operation using a synchronous rectifier circuit' [patent_app_type] => 1 [patent_app_number] => 8/307265 [patent_app_country] => US [patent_app_date] => 1994-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 6445 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/721/05721483.pdf [firstpage_image] =>[orig_patent_app_number] => 307265 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/307265
Method and apparatus for enabling a step-up or step-down operation using a synchronous rectifier circuit Sep 14, 1994 Issued
Array ( [id] => 3479367 [patent_doc_number] => 05428287 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-27 [patent_title] => 'Thermally matched current limit circuit' [patent_app_type] => 1 [patent_app_number] => 8/304425 [patent_app_country] => US [patent_app_date] => 1994-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2245 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/428/05428287.pdf [firstpage_image] =>[orig_patent_app_number] => 304425 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/304425
Thermally matched current limit circuit Sep 11, 1994 Issued
Array ( [id] => 3699482 [patent_doc_number] => 05650714 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-22 [patent_title] => 'Orthogonal signal generation system' [patent_app_type] => 1 [patent_app_number] => 8/303815 [patent_app_country] => US [patent_app_date] => 1994-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 8125 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/650/05650714.pdf [firstpage_image] =>[orig_patent_app_number] => 303815 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/303815
Orthogonal signal generation system Sep 8, 1994 Issued
Array ( [id] => 3514612 [patent_doc_number] => 05515257 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-07 [patent_title] => 'AC-DC converter' [patent_app_type] => 1 [patent_app_number] => 8/302264 [patent_app_country] => US [patent_app_date] => 1994-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2240 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/515/05515257.pdf [firstpage_image] =>[orig_patent_app_number] => 302264 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/302264
AC-DC converter Sep 7, 1994 Issued
Array ( [id] => 3534027 [patent_doc_number] => 05504667 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-02 [patent_title] => 'Power conversion system' [patent_app_type] => 1 [patent_app_number] => 8/301855 [patent_app_country] => US [patent_app_date] => 1994-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 25 [patent_no_of_words] => 14240 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/504/05504667.pdf [firstpage_image] =>[orig_patent_app_number] => 301855 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/301855
Power conversion system Sep 6, 1994 Issued
Array ( [id] => 3562325 [patent_doc_number] => 05502370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-26 [patent_title] => 'Power factor control circuit having a boost current for increasing a speed of a voltage control loop and method therefor' [patent_app_type] => 1 [patent_app_number] => 8/300545 [patent_app_country] => US [patent_app_date] => 1994-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5855 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/502/05502370.pdf [firstpage_image] =>[orig_patent_app_number] => 300545 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/300545
Power factor control circuit having a boost current for increasing a speed of a voltage control loop and method therefor Sep 5, 1994 Issued
Array ( [id] => 3617354 [patent_doc_number] => 05565761 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-15 [patent_title] => 'Synchronous switching cascade connected offline PFC-PWM combination power converter controller' [patent_app_type] => 1 [patent_app_number] => 8/300475 [patent_app_country] => US [patent_app_date] => 1994-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 5105 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/565/05565761.pdf [firstpage_image] =>[orig_patent_app_number] => 300475 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/300475
Synchronous switching cascade connected offline PFC-PWM combination power converter controller Sep 1, 1994 Issued
Array ( [id] => 3116215 [patent_doc_number] => 05418705 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Overvoltage protection system for televisions' [patent_app_type] => 1 [patent_app_number] => 8/309714 [patent_app_country] => US [patent_app_date] => 1994-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2064 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/418/05418705.pdf [firstpage_image] =>[orig_patent_app_number] => 309714 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/309714
Overvoltage protection system for televisions Aug 29, 1994 Issued
Array ( [id] => 3558708 [patent_doc_number] => 05548502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-20 [patent_title] => 'Push-pull, resonant type switching power supply circuit' [patent_app_type] => 1 [patent_app_number] => 8/297044 [patent_app_country] => US [patent_app_date] => 1994-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 5696 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/548/05548502.pdf [firstpage_image] =>[orig_patent_app_number] => 297044 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/297044
Push-pull, resonant type switching power supply circuit Aug 28, 1994 Issued
Array ( [id] => 3557289 [patent_doc_number] => 05546300 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-13 [patent_title] => 'Zero voltage switching controller of resonance mode converter and electronic ballast using the same' [patent_app_type] => 1 [patent_app_number] => 8/291594 [patent_app_country] => US [patent_app_date] => 1994-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 49 [patent_no_of_words] => 13752 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/546/05546300.pdf [firstpage_image] =>[orig_patent_app_number] => 291594 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/291594
Zero voltage switching controller of resonance mode converter and electronic ballast using the same Aug 15, 1994 Issued
Array ( [id] => 3677742 [patent_doc_number] => 05600548 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-04 [patent_title] => 'DC content control for an inverter' [patent_app_type] => 1 [patent_app_number] => 8/289485 [patent_app_country] => US [patent_app_date] => 1994-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3491 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/600/05600548.pdf [firstpage_image] =>[orig_patent_app_number] => 289485 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/289485
DC content control for an inverter Aug 10, 1994 Issued
Array ( [id] => 3535077 [patent_doc_number] => 05583421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-10 [patent_title] => 'Sepic converter with transformerless line isolation' [patent_app_type] => 1 [patent_app_number] => 8/289024 [patent_app_country] => US [patent_app_date] => 1994-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1413 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/583/05583421.pdf [firstpage_image] =>[orig_patent_app_number] => 289024 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/289024
Sepic converter with transformerless line isolation Aug 9, 1994 Issued
Array ( [id] => 3911767 [patent_doc_number] => 05751564 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-12 [patent_title] => 'Dual/multiple voltage level input switching power supply' [patent_app_type] => 1 [patent_app_number] => 8/292815 [patent_app_country] => US [patent_app_date] => 1994-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2784 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/751/05751564.pdf [firstpage_image] =>[orig_patent_app_number] => 292815 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/292815
Dual/multiple voltage level input switching power supply Aug 9, 1994 Issued
Array ( [id] => 3791100 [patent_doc_number] => 05818703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'DC/DC converter for a variable voltage load' [patent_app_type] => 1 [patent_app_number] => 8/287834 [patent_app_country] => US [patent_app_date] => 1994-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5889 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/818/05818703.pdf [firstpage_image] =>[orig_patent_app_number] => 287834 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/287834
DC/DC converter for a variable voltage load Aug 8, 1994 Issued
08/286635 POWER SUPPLY WITH REDUCED EMI Aug 4, 1994 Abandoned
Array ( [id] => 3568542 [patent_doc_number] => 05483115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-09 [patent_title] => 'Electrical machine with directly bonded magnetic parts' [patent_app_type] => 1 [patent_app_number] => 8/284714 [patent_app_country] => US [patent_app_date] => 1994-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4456 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/483/05483115.pdf [firstpage_image] =>[orig_patent_app_number] => 284714 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/284714
Electrical machine with directly bonded magnetic parts Aug 1, 1994 Issued
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