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] => 3515027 [patent_doc_number] => 05587692 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-24 [patent_title] => 'Common mode current cancellation in twisted pairs' [patent_app_type] => 1 [patent_app_number] => 8/345111 [patent_app_country] => US [patent_app_date] => 1994-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3105 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/587/05587692.pdf [firstpage_image] =>[orig_patent_app_number] => 345111 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/345111
Common mode current cancellation in twisted pairs Nov 27, 1994 Issued
Array ( [id] => 3531150 [patent_doc_number] => 05528206 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Surface acoustic wave filter with attenuated spurious emissions' [patent_app_type] => 1 [patent_app_number] => 8/346260 [patent_app_country] => US [patent_app_date] => 1994-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 21 [patent_no_of_words] => 3000 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/528/05528206.pdf [firstpage_image] =>[orig_patent_app_number] => 346260 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/346260
Surface acoustic wave filter with attenuated spurious emissions Nov 22, 1994 Issued
Array ( [id] => 3532491 [patent_doc_number] => 05541558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-30 [patent_title] => 'Capacitively-tapped, variable, wideband bandpass filter' [patent_app_type] => 1 [patent_app_number] => 8/333013 [patent_app_country] => US [patent_app_date] => 1994-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1882 [patent_no_of_claims] => 8 [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/05/541/05541558.pdf [firstpage_image] =>[orig_patent_app_number] => 333013 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/333013
Capacitively-tapped, variable, wideband bandpass filter Oct 31, 1994 Issued
Array ( [id] => 3631713 [patent_doc_number] => 05621364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-15 [patent_title] => 'Weighted reflector for surface acoustic waves' [patent_app_type] => 1 [patent_app_number] => 8/325410 [patent_app_country] => US [patent_app_date] => 1994-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2641 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/621/05621364.pdf [firstpage_image] =>[orig_patent_app_number] => 325410 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/325410
Weighted reflector for surface acoustic waves Oct 26, 1994 Issued
08/321888 SURFACE ACOUSTIC WAVE FILTER DEVICE Oct 13, 1994 Abandoned
Array ( [id] => 3572476 [patent_doc_number] => 05485131 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-16 [patent_title] => 'Transmission line filter for MIC and MMIC applications' [patent_app_type] => 1 [patent_app_number] => 8/322663 [patent_app_country] => US [patent_app_date] => 1994-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3354 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/485/05485131.pdf [firstpage_image] =>[orig_patent_app_number] => 322663 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/322663
Transmission line filter for MIC and MMIC applications Oct 12, 1994 Issued
Array ( [id] => 3620155 [patent_doc_number] => 05510756 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-23 [patent_title] => 'Strip transmission line having a tunable electric length' [patent_app_type] => 1 [patent_app_number] => 8/321522 [patent_app_country] => US [patent_app_date] => 1994-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1819 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/510/05510756.pdf [firstpage_image] =>[orig_patent_app_number] => 321522 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/321522
Strip transmission line having a tunable electric length Oct 11, 1994 Issued
Array ( [id] => 3618340 [patent_doc_number] => 05534831 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'Plane type strip-line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated' [patent_app_type] => 1 [patent_app_number] => 8/317505 [patent_app_country] => US [patent_app_date] => 1994-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 58 [patent_no_of_words] => 27904 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 687 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/534/05534831.pdf [firstpage_image] =>[orig_patent_app_number] => 317505 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/317505
Plane type strip-line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated Oct 3, 1994 Issued
Array ( [id] => 3521647 [patent_doc_number] => 05486800 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => 'Surface acoustic wave device' [patent_app_type] => 1 [patent_app_number] => 8/314835 [patent_app_country] => US [patent_app_date] => 1994-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3531 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/486/05486800.pdf [firstpage_image] =>[orig_patent_app_number] => 314835 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/314835
Surface acoustic wave device Sep 28, 1994 Issued
Array ( [id] => 3838146 [patent_doc_number] => 05712605 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Microwave resonator' [patent_app_type] => 1 [patent_app_number] => 8/315281 [patent_app_country] => US [patent_app_date] => 1994-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 7541 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/712/05712605.pdf [firstpage_image] =>[orig_patent_app_number] => 315281 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/315281
Microwave resonator Sep 28, 1994 Issued
Array ( [id] => 3519411 [patent_doc_number] => 05512868 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-30 [patent_title] => 'Magnetostatic microwave device having large impedance change at resonance' [patent_app_type] => 1 [patent_app_number] => 8/314499 [patent_app_country] => US [patent_app_date] => 1994-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 21 [patent_no_of_words] => 3278 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/512/05512868.pdf [firstpage_image] =>[orig_patent_app_number] => 314499 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/314499
Magnetostatic microwave device having large impedance change at resonance Sep 27, 1994 Issued
08/310778 MULTIPLE OUTPUT RF FILTER AND WAVEGUIDE Sep 26, 1994 Abandoned
Array ( [id] => 3580418 [patent_doc_number] => 05523652 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-04 [patent_title] => 'Microwave energized ion source for ion implantation' [patent_app_type] => 1 [patent_app_number] => 8/312142 [patent_app_country] => US [patent_app_date] => 1994-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 8841 [patent_no_of_claims] => 27 [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/05/523/05523652.pdf [firstpage_image] =>[orig_patent_app_number] => 312142 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/312142
Microwave energized ion source for ion implantation Sep 25, 1994 Issued
Array ( [id] => 3521722 [patent_doc_number] => 05576673 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-19 [patent_title] => 'Small, low-pass filter for high power applications' [patent_app_type] => 1 [patent_app_number] => 8/302413 [patent_app_country] => US [patent_app_date] => 1994-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1532 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/576/05576673.pdf [firstpage_image] =>[orig_patent_app_number] => 302413 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/302413
Small, low-pass filter for high power applications Sep 7, 1994 Issued
Array ( [id] => 3559815 [patent_doc_number] => 05543689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-06 [patent_title] => 'High frequency power source having corrected power output' [patent_app_type] => 1 [patent_app_number] => 8/301817 [patent_app_country] => US [patent_app_date] => 1994-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 22 [patent_no_of_words] => 11925 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/543/05543689.pdf [firstpage_image] =>[orig_patent_app_number] => 301817 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/301817
High frequency power source having corrected power output Sep 6, 1994 Issued
08/301091 HIGH Q RESONATOR UTILIZING PLANAR STRUCTURES Sep 5, 1994 Abandoned
Array ( [id] => 3619139 [patent_doc_number] => 05534881 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-09 [patent_title] => 'Microwave filter assembly having a nonsymmetrical waveguide and an antenna' [patent_app_type] => 1 [patent_app_number] => 8/298630 [patent_app_country] => US [patent_app_date] => 1994-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 26 [patent_no_of_words] => 8071 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/534/05534881.pdf [firstpage_image] =>[orig_patent_app_number] => 298630 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/298630
Microwave filter assembly having a nonsymmetrical waveguide and an antenna Aug 30, 1994 Issued
Array ( [id] => 3453689 [patent_doc_number] => 05424612 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-13 [patent_title] => 'Cathode driving circuit for a plasma display panel' [patent_app_type] => 1 [patent_app_number] => 8/295098 [patent_app_country] => US [patent_app_date] => 1994-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 2991 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/424/05424612.pdf [firstpage_image] =>[orig_patent_app_number] => 295098 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/295098
Cathode driving circuit for a plasma display panel Aug 23, 1994 Issued
Array ( [id] => 3598310 [patent_doc_number] => 05521564 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-28 [patent_title] => 'Resonator and chip-type filter using it' [patent_app_type] => 1 [patent_app_number] => 8/294445 [patent_app_country] => US [patent_app_date] => 1994-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 37 [patent_no_of_words] => 6384 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/521/05521564.pdf [firstpage_image] =>[orig_patent_app_number] => 294445 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/294445
Resonator and chip-type filter using it Aug 22, 1994 Issued
Array ( [id] => 3854342 [patent_doc_number] => 05719539 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-17 [patent_title] => 'Dielectric filter with multiple resonators' [patent_app_type] => 1 [patent_app_number] => 8/294711 [patent_app_country] => US [patent_app_date] => 1994-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 62 [patent_no_of_words] => 25350 [patent_no_of_claims] => 42 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/719/05719539.pdf [firstpage_image] =>[orig_patent_app_number] => 294711 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/294711
Dielectric filter with multiple resonators Aug 22, 1994 Issued
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