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] => 3574732 [patent_doc_number] => 05539178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Method and apparatus for controlling the power supply for electrical discharge machine' [patent_app_type] => 1 [patent_app_number] => 8/151854 [patent_app_country] => US [patent_app_date] => 1993-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 9 [patent_no_of_words] => 23285 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/539/05539178.pdf [firstpage_image] =>[orig_patent_app_number] => 151854 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/151854
Method and apparatus for controlling the power supply for electrical discharge machine Nov 14, 1993 Issued
Array ( [id] => 3581481 [patent_doc_number] => 05539630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-23 [patent_title] => 'Soft-switching converter DC-to-DC isolated with voltage bidirectional switches on the secondary side of an isolation transformer' [patent_app_type] => 1 [patent_app_number] => 8/154461 [patent_app_country] => US [patent_app_date] => 1993-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 37 [patent_no_of_words] => 9894 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/539/05539630.pdf [firstpage_image] =>[orig_patent_app_number] => 154461 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/154461
Soft-switching converter DC-to-DC isolated with voltage bidirectional switches on the secondary side of an isolation transformer Nov 14, 1993 Issued
Array ( [id] => 3484930 [patent_doc_number] => 05399960 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'Reference voltage generation method and apparatus' [patent_app_type] => 1 [patent_app_number] => 8/151415 [patent_app_country] => US [patent_app_date] => 1993-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7394 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/399/05399960.pdf [firstpage_image] =>[orig_patent_app_number] => 151415 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/151415
Reference voltage generation method and apparatus Nov 11, 1993 Issued
Array ( [id] => 3499137 [patent_doc_number] => 05440475 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-08 [patent_title] => 'Electronic Ballast with low harmonic distortion' [patent_app_type] => 1 [patent_app_number] => 8/148295 [patent_app_country] => US [patent_app_date] => 1993-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2935 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/440/05440475.pdf [firstpage_image] =>[orig_patent_app_number] => 148295 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/148295
Electronic Ballast with low harmonic distortion Nov 7, 1993 Issued
Array ( [id] => 3458574 [patent_doc_number] => 05424934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-13 [patent_title] => 'Multivoltage power supply and control method thereof' [patent_app_type] => 1 [patent_app_number] => 8/148431 [patent_app_country] => US [patent_app_date] => 1993-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4838 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/424/05424934.pdf [firstpage_image] =>[orig_patent_app_number] => 148431 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/148431
Multivoltage power supply and control method thereof Nov 7, 1993 Issued
Array ( [id] => 3489029 [patent_doc_number] => 05400241 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-21 [patent_title] => 'High frequency discharge lamp' [patent_app_type] => 1 [patent_app_number] => 8/148104 [patent_app_country] => US [patent_app_date] => 1993-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2395 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/400/05400241.pdf [firstpage_image] =>[orig_patent_app_number] => 148104 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/148104
High frequency discharge lamp Nov 2, 1993 Issued
Array ( [id] => 3548842 [patent_doc_number] => 05481451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-02 [patent_title] => 'AC-to-AC power inverter apparatus functioning without smoothing capacitor, and control method thereof' [patent_app_type] => 1 [patent_app_number] => 8/145907 [patent_app_country] => US [patent_app_date] => 1993-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 38 [patent_no_of_words] => 10966 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/481/05481451.pdf [firstpage_image] =>[orig_patent_app_number] => 145907 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/145907
AC-to-AC power inverter apparatus functioning without smoothing capacitor, and control method thereof Oct 28, 1993 Issued
Array ( [id] => 3129836 [patent_doc_number] => 05381328 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'PWM inverter control system and method' [patent_app_type] => 1 [patent_app_number] => 8/142994 [patent_app_country] => US [patent_app_date] => 1993-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4960 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381328.pdf [firstpage_image] =>[orig_patent_app_number] => 142994 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/142994
PWM inverter control system and method Oct 28, 1993 Issued
Array ( [id] => 3066225 [patent_doc_number] => 05351182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-27 [patent_title] => 'Level shift circuit and inverter apparatus using the same' [patent_app_type] => 1 [patent_app_number] => 8/143136 [patent_app_country] => US [patent_app_date] => 1993-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11531 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/351/05351182.pdf [firstpage_image] =>[orig_patent_app_number] => 143136 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/143136
Level shift circuit and inverter apparatus using the same Oct 28, 1993 Issued
08/144636 CURRENT DETECTION IN POWER CONVERSION Oct 27, 1993 Abandoned
Array ( [id] => 3134779 [patent_doc_number] => 05436821 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Low-power charge pump circuit and low-power booster method' [patent_app_type] => 1 [patent_app_number] => 8/141881 [patent_app_country] => US [patent_app_date] => 1993-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 4321 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/436/05436821.pdf [firstpage_image] =>[orig_patent_app_number] => 141881 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/141881
Low-power charge pump circuit and low-power booster method Oct 26, 1993 Issued
08/141820 OUTPUT DRIVER ADAPTABLE TO POWER SUPPLY VARIATION Oct 21, 1993 Abandoned
Array ( [id] => 3039372 [patent_doc_number] => 05329224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-12 [patent_title] => 'Automotive voltage regulator circuit including serial voltage regulators' [patent_app_type] => 1 [patent_app_number] => 8/138107 [patent_app_country] => US [patent_app_date] => 1993-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1651 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/329/05329224.pdf [firstpage_image] =>[orig_patent_app_number] => 138107 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/138107
Automotive voltage regulator circuit including serial voltage regulators Oct 19, 1993 Issued
Array ( [id] => 3420431 [patent_doc_number] => 05453648 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-26 [patent_title] => 'Bridge rectifier having an output terminal stud' [patent_app_type] => 1 [patent_app_number] => 8/136067 [patent_app_country] => US [patent_app_date] => 1993-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2012 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/453/05453648.pdf [firstpage_image] =>[orig_patent_app_number] => 136067 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/136067
Bridge rectifier having an output terminal stud Oct 13, 1993 Issued
Array ( [id] => 3542749 [patent_doc_number] => 05495164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-02-27 [patent_title] => 'Boost converter' [patent_app_type] => 1 [patent_app_number] => 8/136514 [patent_app_country] => US [patent_app_date] => 1993-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2461 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/495/05495164.pdf [firstpage_image] =>[orig_patent_app_number] => 136514 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/136514
Boost converter Oct 11, 1993 Issued
Array ( [id] => 3417540 [patent_doc_number] => 05438504 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-01 [patent_title] => 'Voltage multiplier circuits or the like' [patent_app_type] => 1 [patent_app_number] => 8/133573 [patent_app_country] => US [patent_app_date] => 1993-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2705 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/438/05438504.pdf [firstpage_image] =>[orig_patent_app_number] => 133573 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/133573
Voltage multiplier circuits or the like Oct 7, 1993 Issued
Array ( [id] => 3013444 [patent_doc_number] => 05375053 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-20 [patent_title] => 'Controlled power supply' [patent_app_type] => 1 [patent_app_number] => 8/117070 [patent_app_country] => US [patent_app_date] => 1993-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 26 [patent_no_of_words] => 13953 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/375/05375053.pdf [firstpage_image] =>[orig_patent_app_number] => 117070 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/117070
Controlled power supply Oct 7, 1993 Issued
Array ( [id] => 3121904 [patent_doc_number] => 05414611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-09 [patent_title] => 'Single transformer switching regulator' [patent_app_type] => 1 [patent_app_number] => 8/134270 [patent_app_country] => US [patent_app_date] => 1993-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4377 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/414/05414611.pdf [firstpage_image] =>[orig_patent_app_number] => 134270 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/134270
Single transformer switching regulator Oct 7, 1993 Issued
Array ( [id] => 3591138 [patent_doc_number] => 05581452 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Pulse width modulation inverter current detection method' [patent_app_type] => 1 [patent_app_number] => 8/132953 [patent_app_country] => US [patent_app_date] => 1993-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2336 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/581/05581452.pdf [firstpage_image] =>[orig_patent_app_number] => 132953 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/132953
Pulse width modulation inverter current detection method Oct 6, 1993 Issued
Array ( [id] => 3462311 [patent_doc_number] => 05379208 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-03 [patent_title] => 'High speed driving circuit for magnetic head effective against flyback pulse' [patent_app_type] => 1 [patent_app_number] => 8/132831 [patent_app_country] => US [patent_app_date] => 1993-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5604 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/379/05379208.pdf [firstpage_image] =>[orig_patent_app_number] => 132831 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/132831
High speed driving circuit for magnetic head effective against flyback pulse Oct 6, 1993 Issued
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