Search

David Hung Vu

Examiner (ID: 118, Phone: (571)272-1831 , Office: P/2844 )

Most Active Art Unit
2821
Art Unit(s)
2821, 2844, 2828, 2817, 2502
Total Applications
1734
Issued Applications
1511
Pending Applications
64
Abandoned Applications
163

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4423322 [patent_doc_number] => 06194842 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Supply circuit for discharge lamps with overvoltage protection' [patent_app_type] => 1 [patent_app_number] => 9/064300 [patent_app_country] => US [patent_app_date] => 1998-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3276 [patent_no_of_claims] => 34 [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/06/194/06194842.pdf [firstpage_image] =>[orig_patent_app_number] => 064300 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/064300
Supply circuit for discharge lamps with overvoltage protection Apr 21, 1998 Issued
Array ( [id] => 4164268 [patent_doc_number] => 06114810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-05 [patent_title] => 'Electronic ballast circuit for fluorescent lamps which have a high Q factor and high resonance voltage' [patent_app_type] => 1 [patent_app_number] => 9/064012 [patent_app_country] => US [patent_app_date] => 1998-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 1513 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/114/06114810.pdf [firstpage_image] =>[orig_patent_app_number] => 064012 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/064012
Electronic ballast circuit for fluorescent lamps which have a high Q factor and high resonance voltage Apr 21, 1998 Issued
Array ( [id] => 3986167 [patent_doc_number] => 05949199 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-07 [patent_title] => 'Gas discharge lamp inverter with a wide input voltage range' [patent_app_type] => 1 [patent_app_number] => 9/063440 [patent_app_country] => US [patent_app_date] => 1998-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 30 [patent_no_of_words] => 6429 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/949/05949199.pdf [firstpage_image] =>[orig_patent_app_number] => 063440 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/063440
Gas discharge lamp inverter with a wide input voltage range Apr 20, 1998 Issued
Array ( [id] => 4361869 [patent_doc_number] => 06218787 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-17 [patent_title] => 'Remote dimming control system for a fluorescent ballast utilizing existing building wiring' [patent_app_type] => 1 [patent_app_number] => 9/063325 [patent_app_country] => US [patent_app_date] => 1998-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5740 [patent_no_of_claims] => 12 [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/06/218/06218787.pdf [firstpage_image] =>[orig_patent_app_number] => 063325 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/063325
Remote dimming control system for a fluorescent ballast utilizing existing building wiring Apr 19, 1998 Issued
Array ( [id] => 4181009 [patent_doc_number] => 06084357 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-04 [patent_title] => 'Series connected light string with filament shunting' [patent_app_type] => 1 [patent_app_number] => 9/058451 [patent_app_country] => US [patent_app_date] => 1998-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5656 [patent_no_of_claims] => 8 [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/06/084/06084357.pdf [firstpage_image] =>[orig_patent_app_number] => 058451 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/058451
Series connected light string with filament shunting Apr 9, 1998 Issued
Array ( [id] => 4103078 [patent_doc_number] => 06097157 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'System for ion energy control during plasma processing' [patent_app_type] => 1 [patent_app_number] => 9/057892 [patent_app_country] => US [patent_app_date] => 1998-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3796 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/097/06097157.pdf [firstpage_image] =>[orig_patent_app_number] => 057892 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/057892
System for ion energy control during plasma processing Apr 8, 1998 Issued
Array ( [id] => 4310601 [patent_doc_number] => 06188179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-13 [patent_title] => 'Induction circuits for lighting' [patent_app_type] => 1 [patent_app_number] => 9/051225 [patent_app_country] => US [patent_app_date] => 1998-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 7526 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/188/06188179.pdf [firstpage_image] =>[orig_patent_app_number] => 051225 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/051225
Induction circuits for lighting Apr 2, 1998 Issued
Array ( [id] => 4081252 [patent_doc_number] => 05965985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-12 [patent_title] => 'Dimmable ballast with complementary converter switches' [patent_app_type] => 1 [patent_app_number] => 9/052504 [patent_app_country] => US [patent_app_date] => 1998-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2909 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/965/05965985.pdf [firstpage_image] =>[orig_patent_app_number] => 052504 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/052504
Dimmable ballast with complementary converter switches Mar 30, 1998 Issued
Array ( [id] => 4114419 [patent_doc_number] => 06057653 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Discharging tube with voltage raising unit and discharging unit and discharging method thereof' [patent_app_type] => 1 [patent_app_number] => 9/048021 [patent_app_country] => US [patent_app_date] => 1998-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 24 [patent_no_of_words] => 13743 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/057/06057653.pdf [firstpage_image] =>[orig_patent_app_number] => 048021 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/048021
Discharging tube with voltage raising unit and discharging unit and discharging method thereof Mar 25, 1998 Issued
Array ( [id] => 4276326 [patent_doc_number] => 06307324 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-10-23 [patent_title] => 'Display apparatus using electroluminescence elements' [patent_app_type] => 1 [patent_app_number] => 9/047752 [patent_app_country] => US [patent_app_date] => 1998-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3222 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/307/06307324.pdf [firstpage_image] =>[orig_patent_app_number] => 047752 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/047752
Display apparatus using electroluminescence elements Mar 24, 1998 Issued
Array ( [id] => 4104059 [patent_doc_number] => 06049179 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-11 [patent_title] => 'High-pressure discharge lamp lighting apparatus' [patent_app_type] => 1 [patent_app_number] => 9/045906 [patent_app_country] => US [patent_app_date] => 1998-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5357 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/049/06049179.pdf [firstpage_image] =>[orig_patent_app_number] => 045906 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/045906
High-pressure discharge lamp lighting apparatus Mar 22, 1998 Issued
Array ( [id] => 1534799 [patent_doc_number] => 06411040 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-25 [patent_title] => 'Apparatus and circuit for operating a discharge lamp of a motor vehicle at two power levels' [patent_app_type] => B1 [patent_app_number] => 09/040772 [patent_app_country] => US [patent_app_date] => 1998-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4060 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/411/06411040.pdf [firstpage_image] =>[orig_patent_app_number] => 09040772 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/040772
Apparatus and circuit for operating a discharge lamp of a motor vehicle at two power levels Mar 17, 1998 Issued
Array ( [id] => 4239932 [patent_doc_number] => 06075325 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-13 [patent_title] => 'Inverter and method for driving a plurality of cold cathode tubes in parallel' [patent_app_type] => 1 [patent_app_number] => 9/034311 [patent_app_country] => US [patent_app_date] => 1998-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 7117 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/075/06075325.pdf [firstpage_image] =>[orig_patent_app_number] => 034311 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/034311
Inverter and method for driving a plurality of cold cathode tubes in parallel Mar 3, 1998 Issued
Array ( [id] => 4148868 [patent_doc_number] => 06156162 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Power supply for dielectric barrier discharge plasma' [patent_app_type] => 1 [patent_app_number] => 9/033461 [patent_app_country] => US [patent_app_date] => 1998-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 3155 [patent_no_of_claims] => 16 [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/06/156/06156162.pdf [firstpage_image] =>[orig_patent_app_number] => 033461 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/033461
Power supply for dielectric barrier discharge plasma Mar 1, 1998 Issued
Array ( [id] => 4162695 [patent_doc_number] => 06104144 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Charging circuit for stroboscope' [patent_app_type] => 1 [patent_app_number] => 9/033411 [patent_app_country] => US [patent_app_date] => 1998-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1446 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/104/06104144.pdf [firstpage_image] =>[orig_patent_app_number] => 033411 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/033411
Charging circuit for stroboscope Mar 1, 1998 Issued
Array ( [id] => 3951758 [patent_doc_number] => 05990631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Stroboscope circuit controlling dimmer operation' [patent_app_type] => 1 [patent_app_number] => 9/033414 [patent_app_country] => US [patent_app_date] => 1998-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1758 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/990/05990631.pdf [firstpage_image] =>[orig_patent_app_number] => 033414 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/033414
Stroboscope circuit controlling dimmer operation Mar 1, 1998 Issued
Array ( [id] => 4301167 [patent_doc_number] => 06181071 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-01-30 [patent_title] => 'Display panel apparatus having reduced capacitive coupling' [patent_app_type] => 1 [patent_app_number] => 9/031609 [patent_app_country] => US [patent_app_date] => 1998-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 5045 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/181/06181071.pdf [firstpage_image] =>[orig_patent_app_number] => 031609 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/031609
Display panel apparatus having reduced capacitive coupling Feb 26, 1998 Issued
Array ( [id] => 4138098 [patent_doc_number] => 06034480 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-07 [patent_title] => 'Identifying and disabling shorted electrodes in field emission display' [patent_app_type] => 1 [patent_app_number] => 9/028011 [patent_app_country] => US [patent_app_date] => 1998-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8394 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/034/06034480.pdf [firstpage_image] =>[orig_patent_app_number] => 028011 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/028011
Identifying and disabling shorted electrodes in field emission display Feb 22, 1998 Issued
Array ( [id] => 4423289 [patent_doc_number] => 06194838 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-02-27 [patent_title] => 'Self stabilizing non-thermionic source for flat panel CRT displays' [patent_app_type] => 1 [patent_app_number] => 9/025949 [patent_app_country] => US [patent_app_date] => 1998-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3898 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/194/06194838.pdf [firstpage_image] =>[orig_patent_app_number] => 025949 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/025949
Self stabilizing non-thermionic source for flat panel CRT displays Feb 18, 1998 Issued
Array ( [id] => 3951679 [patent_doc_number] => 05990626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Lighting unit, low-pressure mercury discharge lamp, supply unit, and combined packaging' [patent_app_type] => 1 [patent_app_number] => 9/023601 [patent_app_country] => US [patent_app_date] => 1998-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3226 [patent_no_of_claims] => 9 [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/05/990/05990626.pdf [firstpage_image] =>[orig_patent_app_number] => 023601 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/023601
Lighting unit, low-pressure mercury discharge lamp, supply unit, and combined packaging Feb 12, 1998 Issued
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