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
08/130262 SWITCHING POWER SUPPLY Sep 30, 1993 Abandoned
Array ( [id] => 3453682 [patent_doc_number] => 05388040 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-07 [patent_title] => 'Series resonant converter having an actively controlled third element' [patent_app_type] => 1 [patent_app_number] => 8/130063 [patent_app_country] => US [patent_app_date] => 1993-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1951 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/388/05388040.pdf [firstpage_image] =>[orig_patent_app_number] => 130063 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/130063
Series resonant converter having an actively controlled third element Sep 29, 1993 Issued
Array ( [id] => 3455157 [patent_doc_number] => 05386187 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-31 [patent_title] => 'Method for anticipatory control of a switched-mode power supply for compensating for fluctuations in feed voltage and circuit configuration for performing the method' [patent_app_type] => 1 [patent_app_number] => 8/129977 [patent_app_country] => US [patent_app_date] => 1993-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6087 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/386/05386187.pdf [firstpage_image] =>[orig_patent_app_number] => 129977 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/129977
Method for anticipatory control of a switched-mode power supply for compensating for fluctuations in feed voltage and circuit configuration for performing the method Sep 29, 1993 Issued
Array ( [id] => 3448083 [patent_doc_number] => 05397976 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-03-14 [patent_title] => 'Control system for voltage controlled bilateral current source' [patent_app_type] => 1 [patent_app_number] => 8/127824 [patent_app_country] => US [patent_app_date] => 1993-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2593 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/397/05397976.pdf [firstpage_image] =>[orig_patent_app_number] => 127824 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/127824
Control system for voltage controlled bilateral current source Sep 27, 1993 Issued
Array ( [id] => 3538858 [patent_doc_number] => 05557193 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-17 [patent_title] => 'Stabilized voltage generating circuit and internal voltage down converter and a method of generating an internal operating power supply voltage for a dynamically operating circuit' [patent_app_type] => 1 [patent_app_number] => 8/126764 [patent_app_country] => US [patent_app_date] => 1993-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4442 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/557/05557193.pdf [firstpage_image] =>[orig_patent_app_number] => 126764 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/126764
Stabilized voltage generating circuit and internal voltage down converter and a method of generating an internal operating power supply voltage for a dynamically operating circuit Sep 26, 1993 Issued
Array ( [id] => 3129747 [patent_doc_number] => 05436552 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-25 [patent_title] => 'Clamping circuit for clamping a reference voltage at a predetermined level' [patent_app_type] => 1 [patent_app_number] => 8/123964 [patent_app_country] => US [patent_app_date] => 1993-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 9198 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/436/05436552.pdf [firstpage_image] =>[orig_patent_app_number] => 123964 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/123964
Clamping circuit for clamping a reference voltage at a predetermined level Sep 20, 1993 Issued
Array ( [id] => 3129872 [patent_doc_number] => 05381330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Half-bridge arrangement for switching electrical power' [patent_app_type] => 1 [patent_app_number] => 8/118035 [patent_app_country] => US [patent_app_date] => 1993-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3345 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381330.pdf [firstpage_image] =>[orig_patent_app_number] => 118035 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/118035
Half-bridge arrangement for switching electrical power Sep 7, 1993 Issued
Array ( [id] => 3432033 [patent_doc_number] => 05404092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'High power factor AC-DC converter with reactive shunt regulation' [patent_app_type] => 1 [patent_app_number] => 8/116433 [patent_app_country] => US [patent_app_date] => 1993-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4142 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/404/05404092.pdf [firstpage_image] =>[orig_patent_app_number] => 116433 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/116433
High power factor AC-DC converter with reactive shunt regulation Sep 2, 1993 Issued
08/117401 SPINDLE MOTOR Sep 2, 1993 Abandoned
Array ( [id] => 3107391 [patent_doc_number] => 05448156 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-05 [patent_title] => 'Low power voltage regulator' [patent_app_type] => 1 [patent_app_number] => 8/116384 [patent_app_country] => US [patent_app_date] => 1993-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5542 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/448/05448156.pdf [firstpage_image] =>[orig_patent_app_number] => 116384 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/116384
Low power voltage regulator Sep 1, 1993 Issued
Array ( [id] => 3490728 [patent_doc_number] => 05406468 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-11 [patent_title] => 'Method for minimizing output transient responses in a power supply' [patent_app_type] => 1 [patent_app_number] => 8/115078 [patent_app_country] => US [patent_app_date] => 1993-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2190 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/406/05406468.pdf [firstpage_image] =>[orig_patent_app_number] => 115078 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/115078
Method for minimizing output transient responses in a power supply Sep 1, 1993 Issued
Array ( [id] => 3432105 [patent_doc_number] => 05404097 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-04 [patent_title] => 'Voltage to current converter with negative feedback' [patent_app_type] => 1 [patent_app_number] => 8/115874 [patent_app_country] => US [patent_app_date] => 1993-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2590 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/404/05404097.pdf [firstpage_image] =>[orig_patent_app_number] => 115874 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/115874
Voltage to current converter with negative feedback Aug 31, 1993 Issued
08/106924 RESONANT FLY-FORWARD CONVERTER CIRCUIT Aug 15, 1993 Abandoned
Array ( [id] => 3457931 [patent_doc_number] => 05451858 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-19 [patent_title] => 'Automatic equal-phase synchronizer for a varying number of synchronized units' [patent_app_type] => 1 [patent_app_number] => 8/100399 [patent_app_country] => US [patent_app_date] => 1993-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3867 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 379 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/451/05451858.pdf [firstpage_image] =>[orig_patent_app_number] => 100399 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/100399
Automatic equal-phase synchronizer for a varying number of synchronized units Aug 1, 1993 Issued
Array ( [id] => 3065265 [patent_doc_number] => 05357415 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-18 [patent_title] => 'Switching regulator having at least one regulated output voltage' [patent_app_type] => 1 [patent_app_number] => 8/100243 [patent_app_country] => US [patent_app_date] => 1993-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4315 [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/05/357/05357415.pdf [firstpage_image] =>[orig_patent_app_number] => 100243 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/100243
Switching regulator having at least one regulated output voltage Aug 1, 1993 Issued
Array ( [id] => 3024605 [patent_doc_number] => 05341283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'Protective circuit with feedback capability for two-point and three-point inverters, and method of feeding back the protective-circuit energy' [patent_app_type] => 1 [patent_app_number] => 8/096984 [patent_app_country] => US [patent_app_date] => 1993-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3422 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 478 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/341/05341283.pdf [firstpage_image] =>[orig_patent_app_number] => 096984 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/096984
Protective circuit with feedback capability for two-point and three-point inverters, and method of feeding back the protective-circuit energy Jul 26, 1993 Issued
Array ( [id] => 3530029 [patent_doc_number] => 05528129 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Semiconductor integrated circuit for generating constant internal voltage' [patent_app_type] => 1 [patent_app_number] => 8/094346 [patent_app_country] => US [patent_app_date] => 1993-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 20 [patent_no_of_words] => 9366 [patent_no_of_claims] => 76 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/528/05528129.pdf [firstpage_image] =>[orig_patent_app_number] => 094346 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/094346
Semiconductor integrated circuit for generating constant internal voltage Jul 20, 1993 Issued
Array ( [id] => 3434884 [patent_doc_number] => 05416688 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-16 [patent_title] => 'Combined phase-shifting directional zero phase sequence current filter and method for using thereof' [patent_app_type] => 1 [patent_app_number] => 8/087979 [patent_app_country] => US [patent_app_date] => 1993-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1716 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 389 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/416/05416688.pdf [firstpage_image] =>[orig_patent_app_number] => 087979 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/087979
Combined phase-shifting directional zero phase sequence current filter and method for using thereof Jul 6, 1993 Issued
Array ( [id] => 3491070 [patent_doc_number] => 05426336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-20 [patent_title] => 'Magnetic eccentric motion motor' [patent_app_type] => 1 [patent_app_number] => 8/088178 [patent_app_country] => US [patent_app_date] => 1993-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 38 [patent_no_of_words] => 8787 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/426/05426336.pdf [firstpage_image] =>[orig_patent_app_number] => 088178 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/088178
Magnetic eccentric motion motor Jul 6, 1993 Issued
Array ( [id] => 3018019 [patent_doc_number] => 05355300 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-11 [patent_title] => 'Voltage converter' [patent_app_type] => 1 [patent_app_number] => 8/085840 [patent_app_country] => US [patent_app_date] => 1993-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3187 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/355/05355300.pdf [firstpage_image] =>[orig_patent_app_number] => 085840 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/085840
Voltage converter Jul 5, 1993 Issued
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