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] => 3733969 [patent_doc_number] => 05652556 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-29 [patent_title] => 'Whispering gallery-type dielectric resonator with increased resonant frequency spacing, improved temperature stability, and reduced microphony' [patent_app_type] => 1 [patent_app_number] => 8/559805 [patent_app_country] => US [patent_app_date] => 1995-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 6534 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/652/05652556.pdf [firstpage_image] =>[orig_patent_app_number] => 559805 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/559805
Whispering gallery-type dielectric resonator with increased resonant frequency spacing, improved temperature stability, and reduced microphony Nov 16, 1995 Issued
Array ( [id] => 3897449 [patent_doc_number] => 05834907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Cold cathode tube operating apparatus with piezoelectric transformer' [patent_app_type] => 1 [patent_app_number] => 8/555709 [patent_app_country] => US [patent_app_date] => 1995-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3535 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/834/05834907.pdf [firstpage_image] =>[orig_patent_app_number] => 555709 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/555709
Cold cathode tube operating apparatus with piezoelectric transformer Nov 13, 1995 Issued
Array ( [id] => 3666449 [patent_doc_number] => 05648702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Dimming control circuit having feedback frequency control' [patent_app_type] => 1 [patent_app_number] => 8/556695 [patent_app_country] => US [patent_app_date] => 1995-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2257 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/648/05648702.pdf [firstpage_image] =>[orig_patent_app_number] => 556695 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/556695
Dimming control circuit having feedback frequency control Nov 12, 1995 Issued
Array ( [id] => 3633955 [patent_doc_number] => 05686797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-11 [patent_title] => 'Electronluminescent lamp inverter' [patent_app_type] => 1 [patent_app_number] => 8/549630 [patent_app_country] => US [patent_app_date] => 1995-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3869 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/686/05686797.pdf [firstpage_image] =>[orig_patent_app_number] => 549630 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/549630
Electronluminescent lamp inverter Oct 26, 1995 Issued
Array ( [id] => 3652580 [patent_doc_number] => 05637965 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Low pressure sodium-mercury lamp yielding substantially white light' [patent_app_type] => 1 [patent_app_number] => 8/544721 [patent_app_country] => US [patent_app_date] => 1995-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 4177 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/637/05637965.pdf [firstpage_image] =>[orig_patent_app_number] => 544721 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/544721
Low pressure sodium-mercury lamp yielding substantially white light Oct 17, 1995 Issued
Array ( [id] => 3846284 [patent_doc_number] => 05847513 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-08 [patent_title] => 'Automotive high mount brake light improvement' [patent_app_type] => 1 [patent_app_number] => 8/543833 [patent_app_country] => US [patent_app_date] => 1995-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 7743 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/847/05847513.pdf [firstpage_image] =>[orig_patent_app_number] => 543833 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/543833
Automotive high mount brake light improvement Oct 15, 1995 Issued
Array ( [id] => 3628104 [patent_doc_number] => 05612596 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-18 [patent_title] => 'Conservation traffic control load switch' [patent_app_type] => 1 [patent_app_number] => 8/543300 [patent_app_country] => US [patent_app_date] => 1995-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 8750 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/612/05612596.pdf [firstpage_image] =>[orig_patent_app_number] => 543300 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/543300
Conservation traffic control load switch Oct 15, 1995 Issued
Array ( [id] => 4014356 [patent_doc_number] => 05889369 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-30 [patent_title] => 'Incandescent lamp having a lifetime extended by two rectifying diodes and a resistor' [patent_app_type] => 1 [patent_app_number] => 8/541125 [patent_app_country] => US [patent_app_date] => 1995-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3481 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/889/05889369.pdf [firstpage_image] =>[orig_patent_app_number] => 541125 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/541125
Incandescent lamp having a lifetime extended by two rectifying diodes and a resistor Oct 10, 1995 Issued
Array ( [id] => 3707923 [patent_doc_number] => 05675221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-07 [patent_title] => 'Apparatus and method for transmitting foward/receiving dimming control signal and up/down encoding manner using a common user power line' [patent_app_type] => 1 [patent_app_number] => 8/541830 [patent_app_country] => US [patent_app_date] => 1995-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4620 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/675/05675221.pdf [firstpage_image] =>[orig_patent_app_number] => 541830 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/541830
Apparatus and method for transmitting foward/receiving dimming control signal and up/down encoding manner using a common user power line Oct 9, 1995 Issued
Array ( [id] => 3699219 [patent_doc_number] => 05680015 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-21 [patent_title] => 'Method to operate a discharge lamp, and circuit arrangement for operation of the discharge lamp' [patent_app_type] => 1 [patent_app_number] => 8/539882 [patent_app_country] => US [patent_app_date] => 1995-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6749 [patent_no_of_claims] => 20 [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/05/680/05680015.pdf [firstpage_image] =>[orig_patent_app_number] => 539882 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/539882
Method to operate a discharge lamp, and circuit arrangement for operation of the discharge lamp Oct 5, 1995 Issued
Array ( [id] => 3735789 [patent_doc_number] => 05635802 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-03 [patent_title] => 'Lighting unit having electrodeless low-pressure discharge lamp with a luminescent layer' [patent_app_type] => 1 [patent_app_number] => 8/539922 [patent_app_country] => US [patent_app_date] => 1995-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2534 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/635/05635802.pdf [firstpage_image] =>[orig_patent_app_number] => 539922 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/539922
Lighting unit having electrodeless low-pressure discharge lamp with a luminescent layer Oct 5, 1995 Issued
08/540006 THIN DIAMOND ELECTRON BEAM AMPLIFIER Oct 5, 1995 Abandoned
Array ( [id] => 3819229 [patent_doc_number] => 05710529 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-20 [patent_title] => 'Surface acoustic wave filer device having a cascade filter structure and a piezoelectric substrate having mirror-polished surfaces' [patent_app_type] => 1 [patent_app_number] => 8/539254 [patent_app_country] => US [patent_app_date] => 1995-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9242 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/710/05710529.pdf [firstpage_image] =>[orig_patent_app_number] => 539254 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/539254
Surface acoustic wave filer device having a cascade filter structure and a piezoelectric substrate having mirror-polished surfaces Oct 4, 1995 Issued
Array ( [id] => 3728164 [patent_doc_number] => 05682086 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-10-28 [patent_title] => 'Dynamic filter for an electronic ballast with a parallel-load resonant inverter' [patent_app_type] => 1 [patent_app_number] => 8/539602 [patent_app_country] => US [patent_app_date] => 1995-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 965 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/682/05682086.pdf [firstpage_image] =>[orig_patent_app_number] => 539602 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/539602
Dynamic filter for an electronic ballast with a parallel-load resonant inverter Oct 4, 1995 Issued
Array ( [id] => 3516773 [patent_doc_number] => 05563556 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Geometrically modulated waves' [patent_app_type] => 1 [patent_app_number] => 8/534543 [patent_app_country] => US [patent_app_date] => 1995-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 30 [patent_no_of_words] => 7636 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/563/05563556.pdf [firstpage_image] =>[orig_patent_app_number] => 534543 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/534543
Geometrically modulated waves Sep 26, 1995 Issued
Array ( [id] => 3897404 [patent_doc_number] => 05834904 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Means for suppressing electromagnetic interference from RF-excited light sources' [patent_app_type] => 1 [patent_app_number] => 8/534160 [patent_app_country] => US [patent_app_date] => 1995-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 4283 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/834/05834904.pdf [firstpage_image] =>[orig_patent_app_number] => 534160 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/534160
Means for suppressing electromagnetic interference from RF-excited light sources Sep 25, 1995 Issued
Array ( [id] => 3652558 [patent_doc_number] => 05629587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-13 [patent_title] => 'Programmable lighting control system for controlling illumination duration and intensity levels of lamps in multiple lighting strings' [patent_app_type] => 1 [patent_app_number] => 8/533921 [patent_app_country] => US [patent_app_date] => 1995-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 9972 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/629/05629587.pdf [firstpage_image] =>[orig_patent_app_number] => 533921 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/533921
Programmable lighting control system for controlling illumination duration and intensity levels of lamps in multiple lighting strings Sep 25, 1995 Issued
Array ( [id] => 3665784 [patent_doc_number] => 05656891 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-08-12 [patent_title] => 'Gas discharge lamp ballast with heating control circuit and method of operating same' [patent_app_type] => 1 [patent_app_number] => 8/530710 [patent_app_country] => US [patent_app_date] => 1995-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3277 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/656/05656891.pdf [firstpage_image] =>[orig_patent_app_number] => 530710 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/530710
Gas discharge lamp ballast with heating control circuit and method of operating same Sep 18, 1995 Issued
Array ( [id] => 3628063 [patent_doc_number] => 05612593 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-18 [patent_title] => 'Fluorescent tube thermal management system utilizing thermal electric cooler units' [patent_app_type] => 1 [patent_app_number] => 8/521200 [patent_app_country] => US [patent_app_date] => 1995-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1647 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/612/05612593.pdf [firstpage_image] =>[orig_patent_app_number] => 521200 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/521200
Fluorescent tube thermal management system utilizing thermal electric cooler units Aug 29, 1995 Issued
08/520881 SOCKET AND BALLAST FOR A GAS DISCHARGE LAMP Aug 29, 1995 Abandoned
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