
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 3795507
[patent_doc_number] => 05841237
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-11-24
[patent_title] => 'Production of large resonant plasma volumes in microwave electron cyclotron resonance ion sources'
[patent_app_type] => 1
[patent_app_number] => 8/892492
[patent_app_country] => US
[patent_app_date] => 1997-07-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4526
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 169
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/841/05841237.pdf
[firstpage_image] =>[orig_patent_app_number] => 892492
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/892492 | Production of large resonant plasma volumes in microwave electron cyclotron resonance ion sources | Jul 13, 1997 | Issued |
Array
(
[id] => 3821811
[patent_doc_number] => 05789866
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-08-04
[patent_title] => 'Electronic ballast with reversely wound filament winding'
[patent_app_type] => 1
[patent_app_number] => 8/893741
[patent_app_country] => US
[patent_app_date] => 1997-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 6
[patent_no_of_words] => 2500
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 125
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/789/05789866.pdf
[firstpage_image] =>[orig_patent_app_number] => 893741
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/893741 | Electronic ballast with reversely wound filament winding | Jul 10, 1997 | Issued |
Array
(
[id] => 3821883
[patent_doc_number] => 05789871
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-08-04
[patent_title] => 'Series-capacitor electronic ballast'
[patent_app_type] => 1
[patent_app_number] => 8/890460
[patent_app_country] => US
[patent_app_date] => 1997-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 20
[patent_no_of_words] => 4236
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 261
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/789/05789871.pdf
[firstpage_image] =>[orig_patent_app_number] => 890460
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/890460 | Series-capacitor electronic ballast | Jul 8, 1997 | Issued |
Array
(
[id] => 4022807
[patent_doc_number] => 05907223
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-05-25
[patent_title] => 'Two-frequency electronic ballast system having an isolated PFC converter'
[patent_app_type] => 1
[patent_app_number] => 8/891879
[patent_app_country] => US
[patent_app_date] => 1997-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 17
[patent_no_of_words] => 5314
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 210
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/907/05907223.pdf
[firstpage_image] =>[orig_patent_app_number] => 891879
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/891879 | Two-frequency electronic ballast system having an isolated PFC converter | Jul 8, 1997 | Issued |
Array
(
[id] => 3941440
[patent_doc_number] => 05929568
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-07-27
[patent_title] => 'Incandescent bulb luminance matching LED circuit'
[patent_app_type] => 1
[patent_app_number] => 8/890434
[patent_app_country] => US
[patent_app_date] => 1997-07-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 3128
[patent_no_of_claims] => 32
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[patent_words_short_claim] => 105
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/929/05929568.pdf
[firstpage_image] =>[orig_patent_app_number] => 890434
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/890434 | Incandescent bulb luminance matching LED circuit | Jul 7, 1997 | Issued |
Array
(
[id] => 4070863
[patent_doc_number] => 05866989
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-02-02
[patent_title] => 'Circuit arrangement for operating a discharge lamp'
[patent_app_type] => 1
[patent_app_number] => 8/888901
[patent_app_country] => US
[patent_app_date] => 1997-07-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 1760
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/866/05866989.pdf
[firstpage_image] =>[orig_patent_app_number] => 888901
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/888901 | Circuit arrangement for operating a discharge lamp | Jul 6, 1997 | Issued |
Array
(
[id] => 3881193
[patent_doc_number] => 05825137
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-10-20
[patent_title] => 'Electronic ballasts for plural lamp fluorescent lighting without feedback circuitry'
[patent_app_type] => 1
[patent_app_number] => 8/886235
[patent_app_country] => US
[patent_app_date] => 1997-07-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 9300
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 189
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/825/05825137.pdf
[firstpage_image] =>[orig_patent_app_number] => 886235
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/886235 | Electronic ballasts for plural lamp fluorescent lighting without feedback circuitry | Jun 30, 1997 | Issued |
Array
(
[id] => 4204251
[patent_doc_number] => 06013986
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-01-11
[patent_title] => 'Electron-emitting device having multi-layer resistor'
[patent_app_type] => 1
[patent_app_number] => 8/884702
[patent_app_country] => US
[patent_app_date] => 1997-06-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 12
[patent_no_of_words] => 8038
[patent_no_of_claims] => 32
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/013/06013986.pdf
[firstpage_image] =>[orig_patent_app_number] => 884702
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/884702 | Electron-emitting device having multi-layer resistor | Jun 29, 1997 | Issued |
Array
(
[id] => 4058272
[patent_doc_number] => 05932975
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-08-03
[patent_title] => 'Motion activated illuminating footwear and light module therefor with fading and means for deactivating in bright light'
[patent_app_type] => 1
[patent_app_number] => 8/883842
[patent_app_country] => US
[patent_app_date] => 1997-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
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[patent_no_of_words] => 7114
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/932/05932975.pdf
[firstpage_image] =>[orig_patent_app_number] => 883842
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/883842 | Motion activated illuminating footwear and light module therefor with fading and means for deactivating in bright light | Jun 26, 1997 | Issued |
Array
(
[id] => 3776919
[patent_doc_number] => 05773935
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-06-30
[patent_title] => 'Switching device for the lighting system of motor vehicles having a main switch coupled to a decision logic device'
[patent_app_type] => 1
[patent_app_number] => 8/882354
[patent_app_country] => US
[patent_app_date] => 1997-06-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2473
[patent_no_of_claims] => 9
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/773/05773935.pdf
[firstpage_image] =>[orig_patent_app_number] => 882354
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/882354 | Switching device for the lighting system of motor vehicles having a main switch coupled to a decision logic device | Jun 24, 1997 | Issued |
Array
(
[id] => 3955697
[patent_doc_number] => 05955843
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-09-21
[patent_title] => 'Relay circuit for providing power from a normal or emergency power supply to ignite and drive a high intensity discharge lamp'
[patent_app_type] => 1
[patent_app_number] => 8/880311
[patent_app_country] => US
[patent_app_date] => 1997-06-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/955/05955843.pdf
[firstpage_image] =>[orig_patent_app_number] => 880311
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/880311 | Relay circuit for providing power from a normal or emergency power supply to ignite and drive a high intensity discharge lamp | Jun 23, 1997 | Issued |
Array
(
[id] => 3949044
[patent_doc_number] => 05982113
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-11-09
[patent_title] => 'Electronic ballast producing voltage having trapezoidal envelope for instant start lamps'
[patent_app_type] => 1
[patent_app_number] => 8/879181
[patent_app_country] => US
[patent_app_date] => 1997-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[pdf_file] => patents/05/982/05982113.pdf
[firstpage_image] =>[orig_patent_app_number] => 879181
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/879181 | Electronic ballast producing voltage having trapezoidal envelope for instant start lamps | Jun 19, 1997 | Issued |
Array
(
[id] => 3927673
[patent_doc_number] => 05914572
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-06-22
[patent_title] => 'Discharge lamp driving circuit having resonant circuit defining two resonance modes'
[patent_app_type] => 1
[patent_app_number] => 8/878821
[patent_app_country] => US
[patent_app_date] => 1997-06-19
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/914/05914572.pdf
[firstpage_image] =>[orig_patent_app_number] => 878821
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/878821 | Discharge lamp driving circuit having resonant circuit defining two resonance modes | Jun 18, 1997 | Issued |
Array
(
[id] => 4225427
[patent_doc_number] => 06040660
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-03-21
[patent_title] => 'Device for controlling the intensity of the light emitted by a lighting element of a lighting apparatus, in particular a flashlight'
[patent_app_type] => 1
[patent_app_number] => 8/876021
[patent_app_country] => US
[patent_app_date] => 1997-06-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/040/06040660.pdf
[firstpage_image] =>[orig_patent_app_number] => 876021
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/876021 | Device for controlling the intensity of the light emitted by a lighting element of a lighting apparatus, in particular a flashlight | Jun 12, 1997 | Issued |
Array
(
[id] => 4190487
[patent_doc_number] => 06150771
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2000-11-21
[patent_title] => 'Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal'
[patent_app_type] => 1
[patent_app_number] => 8/873030
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/150/06150771.pdf
[firstpage_image] =>[orig_patent_app_number] => 873030
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/873030 | Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal | Jun 10, 1997 | Issued |
Array
(
[id] => 3881153
[patent_doc_number] => 05825134
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-10-20
[patent_title] => 'Method of holding field emission cathode in its standby state'
[patent_app_type] => 1
[patent_app_number] => 8/870972
[patent_app_country] => US
[patent_app_date] => 1997-06-06
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/825/05825134.pdf
[firstpage_image] =>[orig_patent_app_number] => 870972
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/870972 | Method of holding field emission cathode in its standby state | Jun 5, 1997 | Issued |
Array
(
[id] => 3990799
[patent_doc_number] => 05910709
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-06-08
[patent_title] => 'Florescent lamp ballast control for zero -voltage switching operation over wide input voltage range and over voltage protection'
[patent_app_type] => 1
[patent_app_number] => 8/870205
[patent_app_country] => US
[patent_app_date] => 1997-06-06
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[firstpage_image] =>[orig_patent_app_number] => 870205
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/870205 | Florescent lamp ballast control for zero -voltage switching operation over wide input voltage range and over voltage protection | Jun 5, 1997 | Issued |
Array
(
[id] => 3822030
[patent_doc_number] => 05770925
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-06-23
[patent_title] => 'Electronic ballast with inverter protection and relamping circuits'
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[patent_app_number] => 8/865810
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[pdf_file] => patents/05/770/05770925.pdf
[firstpage_image] =>[orig_patent_app_number] => 865810
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/865810 | Electronic ballast with inverter protection and relamping circuits | May 29, 1997 | Issued |
Array
(
[id] => 3795481
[patent_doc_number] => 05841235
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1998-11-24
[patent_title] => 'Source for the generation of large area pulsed ion and electron beams'
[patent_app_type] => 1
[patent_app_number] => 8/866551
[patent_app_country] => US
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[pdf_file] => patents/05/841/05841235.pdf
[firstpage_image] =>[orig_patent_app_number] => 866551
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/866551 | Source for the generation of large area pulsed ion and electron beams | May 29, 1997 | Issued |
Array
(
[id] => 4039692
[patent_doc_number] => 05942859
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-08-24
[patent_title] => 'Discharge lamp lighting device'
[patent_app_type] => 1
[patent_app_number] => 8/865561
[patent_app_country] => US
[patent_app_date] => 1997-05-29
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/05/942/05942859.pdf
[firstpage_image] =>[orig_patent_app_number] => 865561
[rel_patent_id] =>[rel_patent_doc_number] =>) 08/865561 | Discharge lamp lighting device | May 28, 1997 | Issued |