Search

David Hung Vu

Examiner (ID: 356, Phone: (571)272-1831 , Office: P/2844 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10061642 [patent_doc_number] => 09101016 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-04 [patent_title] => 'LED illuminating apparatus having enhanced quantity of light' [patent_app_type] => utility [patent_app_number] => 14/347789 [patent_app_country] => US [patent_app_date] => 2013-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2621 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14347789 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/347789
LED illuminating apparatus having enhanced quantity of light Jan 22, 2013 Issued
Array ( [id] => 10871014 [patent_doc_number] => 08896217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-25 [patent_title] => 'Light socket for series LED lighting' [patent_app_type] => utility [patent_app_number] => 13/739149 [patent_app_country] => US [patent_app_date] => 2013-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3511 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13739149 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/739149
Light socket for series LED lighting Jan 10, 2013 Issued
Array ( [id] => 8937752 [patent_doc_number] => 20130187549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-25 [patent_title] => 'LED AC DRIVING CIRCUIT CAPABLE OF ADJUSTING OPERATING VOLTAGE' [patent_app_type] => utility [patent_app_number] => 13/739179 [patent_app_country] => US [patent_app_date] => 2013-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4256 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13739179 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/739179
LED AC driving circuit capable of adjusting operating voltage Jan 10, 2013 Issued
Array ( [id] => 9360847 [patent_doc_number] => 20140070719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-13 [patent_title] => 'DRIVING CIRCUIT HAVING VOLTAGE DIVIDING CIRCUITS AND COUPLING CIRCUIT FOR CONTROLLING DUTY CYCLE OF TRANSISTOR AND RELATED CIRCUIT DRIVING METHOD THEREOF' [patent_app_type] => utility [patent_app_number] => 13/738993 [patent_app_country] => US [patent_app_date] => 2013-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6484 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13738993 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/738993
Driving circuit having voltage dividing circuits and coupling circuit for controlling duty cycle of transistor and related circuit driving method thereof Jan 10, 2013 Issued
Array ( [id] => 8914310 [patent_doc_number] => 20130175935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-11 [patent_title] => 'APPARATUS AND METHOD FOR COMPENSATING CURRENT DEVIATION' [patent_app_type] => utility [patent_app_number] => 13/738672 [patent_app_country] => US [patent_app_date] => 2013-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2019 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13738672 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/738672
Apparatus and method for compensating current deviation Jan 9, 2013 Issued
Array ( [id] => 8961193 [patent_doc_number] => 20130200794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-08 [patent_title] => 'LIGHT-EMITTING DIODE CIRCUIT AND LIGHT-EMITTING DEVICE HAVING THE SAME' [patent_app_type] => utility [patent_app_number] => 13/736429 [patent_app_country] => US [patent_app_date] => 2013-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6790 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13736429 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/736429
Light-emitting diode circuit and light-emitting device having the same Jan 7, 2013 Issued
Array ( [id] => 8888960 [patent_doc_number] => 20130162144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'LIGHT EMITTING DIODE DRIVING APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/721365 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4945 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13721365 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/721365
Light emitting diode driving apparatus Dec 19, 2012 Issued
Array ( [id] => 9558272 [patent_doc_number] => 20140175984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'LIGHTING DEVICE WITH A PROTECTION CIRCUIT HAVING DISABLE WINDING' [patent_app_type] => utility [patent_app_number] => 13/721211 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4074 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13721211 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/721211
LIGHTING DEVICE WITH A PROTECTION CIRCUIT HAVING DISABLE WINDING Dec 19, 2012 Abandoned
Array ( [id] => 10877041 [patent_doc_number] => 08901831 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-02 [patent_title] => 'Constant current pulse-width modulation lighting system and associated methods' [patent_app_type] => utility [patent_app_number] => 13/722581 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3405 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13722581 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/722581
Constant current pulse-width modulation lighting system and associated methods Dec 19, 2012 Issued
Array ( [id] => 8888973 [patent_doc_number] => 20130162157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-27 [patent_title] => 'Switching Power Supply Device and Light-Emitting Diode Lighting Device' [patent_app_type] => utility [patent_app_number] => 13/721849 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6020 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13721849 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/721849
Switching power supply device and light-emitting diode lighting device Dec 19, 2012 Issued
Array ( [id] => 8982750 [patent_doc_number] => 08513871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-20 [patent_title] => 'Apparatus and methods for combining light emitters' [patent_app_type] => utility [patent_app_number] => 13/714955 [patent_app_country] => US [patent_app_date] => 2012-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 7223 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13714955 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/714955
Apparatus and methods for combining light emitters Dec 13, 2012 Issued
Array ( [id] => 8765309 [patent_doc_number] => 20130093346 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'COMPENSATION CIRCUIT FOR CURRENT PEAKING REDUCTION IN NOTIFICATION APPLIANCES' [patent_app_type] => utility [patent_app_number] => 13/709180 [patent_app_country] => US [patent_app_date] => 2012-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 5500 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13709180 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/709180
Compensation circuit for current peaking reduction in notification appliances Dec 9, 2012 Issued
Array ( [id] => 8859239 [patent_doc_number] => 08461779 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-11 [patent_title] => 'Alternating turn off timing of a fluorescent lamp starter unit' [patent_app_type] => utility [patent_app_number] => 13/708996 [patent_app_country] => US [patent_app_date] => 2012-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 7242 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13708996 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/708996
Alternating turn off timing of a fluorescent lamp starter unit Dec 7, 2012 Issued
Array ( [id] => 8765296 [patent_doc_number] => 20130093333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-18 [patent_title] => 'SYSTEMS AND METHODS FOR RULES BASED, AUTOMATED LIGHTING CONTROL' [patent_app_type] => utility [patent_app_number] => 13/663841 [patent_app_country] => US [patent_app_date] => 2012-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10217 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13663841 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/663841
Systems and methods for rules based, automated lighting control Oct 29, 2012 Issued
Array ( [id] => 8846910 [patent_doc_number] => 08456097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-04 [patent_title] => 'Modified dimming LED driver' [patent_app_type] => utility [patent_app_number] => 13/656475 [patent_app_country] => US [patent_app_date] => 2012-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5884 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13656475 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/656475
Modified dimming LED driver Oct 18, 2012 Issued
Array ( [id] => 9027208 [patent_doc_number] => 08536793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'Controlling a current supplied to a load' [patent_app_type] => utility [patent_app_number] => 13/649999 [patent_app_country] => US [patent_app_date] => 2012-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 9976 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13649999 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/649999
Controlling a current supplied to a load Oct 10, 2012 Issued
Array ( [id] => 8615653 [patent_doc_number] => 20130020965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-24 [patent_title] => 'POWER CONVERTER WITH COMPENSATION CIRCUIT FOR ADJUSTING OUTPUT CURRENT PROVIDED TO A CONSTANT LOAD' [patent_app_type] => utility [patent_app_number] => 13/626735 [patent_app_country] => US [patent_app_date] => 2012-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6918 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13626735 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/626735
Power converter with compensation circuit for adjusting output current provided to a constant load Sep 24, 2012 Issued
Array ( [id] => 8564037 [patent_doc_number] => 20120326607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-27 [patent_title] => 'LIGHT SOURCE TURN-ON/OFF CONTROLLER' [patent_app_type] => utility [patent_app_number] => 13/605623 [patent_app_country] => US [patent_app_date] => 2012-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 23042 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13605623 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/605623
Light source turn-on/off controller Sep 5, 2012 Issued
Array ( [id] => 8718337 [patent_doc_number] => 20130069554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/589371 [patent_app_country] => US [patent_app_date] => 2012-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 18215 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13589371 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/589371
Driving device Aug 19, 2012 Issued
Array ( [id] => 9113797 [patent_doc_number] => 08569976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-10-29 [patent_title] => 'Time division modulation with average current regulation for independent control of arrays of light-emitting diodes' [patent_app_type] => utility [patent_app_number] => 13/585781 [patent_app_country] => US [patent_app_date] => 2012-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 14470 [patent_no_of_claims] => 17 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13585781 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/585781
Time division modulation with average current regulation for independent control of arrays of light-emitting diodes Aug 13, 2012 Issued
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