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] => 4010714 [patent_doc_number] => 05859503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-12 [patent_title] => 'Lamp modulation circuit having a feedback for measuring lamp temperature' [patent_app_type] => 1 [patent_app_number] => 8/831201 [patent_app_country] => US [patent_app_date] => 1997-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1721 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/859/05859503.pdf [firstpage_image] =>[orig_patent_app_number] => 831201 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/831201
Lamp modulation circuit having a feedback for measuring lamp temperature Apr 1, 1997 Issued
08/765052 DUSK-TO-DAWN SWITCH Mar 31, 1997 Abandoned
Array ( [id] => 3774887 [patent_doc_number] => 05734230 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-31 [patent_title] => 'Fail-safe lighting system with load shedding and dimming' [patent_app_type] => 1 [patent_app_number] => 8/827330 [patent_app_country] => US [patent_app_date] => 1997-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 7050 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/734/05734230.pdf [firstpage_image] =>[orig_patent_app_number] => 827330 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/827330
Fail-safe lighting system with load shedding and dimming Mar 25, 1997 Issued
Array ( [id] => 3944084 [patent_doc_number] => 05872429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-02-16 [patent_title] => 'Coded communication system and method for controlling an electric lamp' [patent_app_type] => 1 [patent_app_number] => 8/824024 [patent_app_country] => US [patent_app_date] => 1997-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 39 [patent_no_of_words] => 14565 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/872/05872429.pdf [firstpage_image] =>[orig_patent_app_number] => 824024 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/824024
Coded communication system and method for controlling an electric lamp Mar 24, 1997 Issued
Array ( [id] => 3812628 [patent_doc_number] => 05854541 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-29 [patent_title] => 'Flicker light string suitable for unlimited series-connection' [patent_app_type] => 1 [patent_app_number] => 8/820630 [patent_app_country] => US [patent_app_date] => 1997-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1712 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/854/05854541.pdf [firstpage_image] =>[orig_patent_app_number] => 820630 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/820630
Flicker light string suitable for unlimited series-connection Mar 18, 1997 Issued
Array ( [id] => 4049865 [patent_doc_number] => 05912534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-06-15 [patent_title] => 'Double relay light switching system for providing daytime running lights for vehicles' [patent_app_type] => 1 [patent_app_number] => 8/819042 [patent_app_country] => US [patent_app_date] => 1997-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4183 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/912/05912534.pdf [firstpage_image] =>[orig_patent_app_number] => 819042 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/819042
Double relay light switching system for providing daytime running lights for vehicles Mar 16, 1997 Issued
Array ( [id] => 3973720 [patent_doc_number] => 05886471 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-23 [patent_title] => 'Automatic vehicle light relay switching system for providing daytime running lights' [patent_app_type] => 1 [patent_app_number] => 8/819040 [patent_app_country] => US [patent_app_date] => 1997-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3393 [patent_no_of_claims] => 12 [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/05/886/05886471.pdf [firstpage_image] =>[orig_patent_app_number] => 819040 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/819040
Automatic vehicle light relay switching system for providing daytime running lights Mar 16, 1997 Issued
Array ( [id] => 3897376 [patent_doc_number] => 05834902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Discharge lamp igniting and operating curcuit having interference signal suppression from 9 KHz to 100 MHz' [patent_app_type] => 1 [patent_app_number] => 8/815241 [patent_app_country] => US [patent_app_date] => 1997-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2549 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/834/05834902.pdf [firstpage_image] =>[orig_patent_app_number] => 815241 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/815241
Discharge lamp igniting and operating curcuit having interference signal suppression from 9 KHz to 100 MHz Mar 11, 1997 Issued
Array ( [id] => 3862726 [patent_doc_number] => 05705892 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-06 [patent_title] => 'Spark ignition system and spark plug for ultra lean fuel/air mixtures' [patent_app_type] => 1 [patent_app_number] => 8/816069 [patent_app_country] => US [patent_app_date] => 1997-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1761 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/705/05705892.pdf [firstpage_image] =>[orig_patent_app_number] => 816069 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/816069
Spark ignition system and spark plug for ultra lean fuel/air mixtures Mar 10, 1997 Issued
Array ( [id] => 3933202 [patent_doc_number] => 05952793 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Discharge lamp igniting apparatus including feedback control' [patent_app_type] => 1 [patent_app_number] => 8/816051 [patent_app_country] => US [patent_app_date] => 1997-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 32 [patent_no_of_words] => 14282 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/952/05952793.pdf [firstpage_image] =>[orig_patent_app_number] => 816051 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/816051
Discharge lamp igniting apparatus including feedback control Mar 10, 1997 Issued
Array ( [id] => 3881165 [patent_doc_number] => 05825135 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-20 [patent_title] => 'Halogen lamp control circuit assembly' [patent_app_type] => 1 [patent_app_number] => 8/814591 [patent_app_country] => US [patent_app_date] => 1997-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 1684 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/825/05825135.pdf [firstpage_image] =>[orig_patent_app_number] => 814591 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/814591
Halogen lamp control circuit assembly Mar 9, 1997 Issued
Array ( [id] => 3783321 [patent_doc_number] => 05818173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-06 [patent_title] => 'Cylindrical antenna having means for generating a magnetic field in a vicinity of the antenna' [patent_app_type] => 1 [patent_app_number] => 8/812670 [patent_app_country] => US [patent_app_date] => 1997-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 5099 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/818/05818173.pdf [firstpage_image] =>[orig_patent_app_number] => 812670 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/812670
Cylindrical antenna having means for generating a magnetic field in a vicinity of the antenna Mar 9, 1997 Issued
Array ( [id] => 4020757 [patent_doc_number] => 05880563 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Device for accurately detecting end of usage lifetime of a discharge lamp' [patent_app_type] => 1 [patent_app_number] => 8/811210 [patent_app_country] => US [patent_app_date] => 1997-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4659 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/880/05880563.pdf [firstpage_image] =>[orig_patent_app_number] => 811210 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/811210
Device for accurately detecting end of usage lifetime of a discharge lamp Mar 4, 1997 Issued
Array ( [id] => 4010633 [patent_doc_number] => 06005348 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Circuit keeping daytime head lamps on after engine and head lamp switch are turned off' [patent_app_type] => 1 [patent_app_number] => 8/810481 [patent_app_country] => US [patent_app_date] => 1997-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3507 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005348.pdf [firstpage_image] =>[orig_patent_app_number] => 810481 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/810481
Circuit keeping daytime head lamps on after engine and head lamp switch are turned off Mar 2, 1997 Issued
Array ( [id] => 4298628 [patent_doc_number] => 06236164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Current sensing in vacuum electron devices' [patent_app_type] => 1 [patent_app_number] => 8/799520 [patent_app_country] => US [patent_app_date] => 1997-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 7838 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/236/06236164.pdf [firstpage_image] =>[orig_patent_app_number] => 799520 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/799520
Current sensing in vacuum electron devices Feb 11, 1997 Issued
Array ( [id] => 4071543 [patent_doc_number] => 06008586 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-28 [patent_title] => 'Direct current ballastless modulation of gas discharge lamps' [patent_app_type] => 1 [patent_app_number] => 8/796532 [patent_app_country] => US [patent_app_date] => 1997-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6066 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/008/06008586.pdf [firstpage_image] =>[orig_patent_app_number] => 796532 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/796532
Direct current ballastless modulation of gas discharge lamps Feb 5, 1997 Issued
Array ( [id] => 3781456 [patent_doc_number] => 05757139 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Driving circuit for stacked organic light emitting devices' [patent_app_type] => 1 [patent_app_number] => 8/792050 [patent_app_country] => US [patent_app_date] => 1997-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4782 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/757/05757139.pdf [firstpage_image] =>[orig_patent_app_number] => 792050 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/792050
Driving circuit for stacked organic light emitting devices Feb 2, 1997 Issued
Array ( [id] => 3990896 [patent_doc_number] => 05959410 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-28 [patent_title] => 'Charge pump power factor correction circuit for power supply for gas discharge lamp' [patent_app_type] => 1 [patent_app_number] => 8/790652 [patent_app_country] => US [patent_app_date] => 1997-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 56 [patent_figures_cnt] => 126 [patent_no_of_words] => 34031 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/959/05959410.pdf [firstpage_image] =>[orig_patent_app_number] => 790652 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/790652
Charge pump power factor correction circuit for power supply for gas discharge lamp Jan 28, 1997 Issued
Array ( [id] => 3847816 [patent_doc_number] => 05847620 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-08 [patent_title] => 'Dielectric resonator phase shifting frequency discriminator' [patent_app_type] => 1 [patent_app_number] => 8/789815 [patent_app_country] => US [patent_app_date] => 1997-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3322 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/847/05847620.pdf [firstpage_image] =>[orig_patent_app_number] => 789815 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/789815
Dielectric resonator phase shifting frequency discriminator Jan 27, 1997 Issued
Array ( [id] => 3781395 [patent_doc_number] => 05808421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-15 [patent_title] => 'Ballast circuit having dual voltage source and emergency battery' [patent_app_type] => 1 [patent_app_number] => 8/790742 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 1 [patent_no_of_words] => 3172 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/808/05808421.pdf [firstpage_image] =>[orig_patent_app_number] => 790742 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/790742
Ballast circuit having dual voltage source and emergency battery Jan 26, 1997 Issued
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