Search

Len Tran

Supervisory Patent Examiner (ID: 13971, Phone: (571)272-1184 , Office: P/3744 )

Most Active Art Unit
1725
Art Unit(s)
3752, 3744, 3763, 1725, 1722
Total Applications
876
Issued Applications
534
Pending Applications
80
Abandoned Applications
263

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6540152 [patent_doc_number] => 20100126611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-27 [patent_title] => 'THREE-POSITION DIVERTER VALVE' [patent_app_type] => utility [patent_app_number] => 12/323474 [patent_app_country] => US [patent_app_date] => 2008-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3023 [patent_no_of_claims] => 1 [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] => publications/A1/0126/20100126611.pdf [firstpage_image] =>[orig_patent_app_number] => 12323474 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/323474
THREE-POSITION DIVERTER VALVE Nov 25, 2008 Abandoned
Array ( [id] => 6540133 [patent_doc_number] => 20100126609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-27 [patent_title] => 'Separated-control valve device' [patent_app_type] => utility [patent_app_number] => 12/276423 [patent_app_country] => US [patent_app_date] => 2008-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2460 [patent_no_of_claims] => 7 [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] => publications/A1/0126/20100126609.pdf [firstpage_image] =>[orig_patent_app_number] => 12276423 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/276423
Separated-control valve device Nov 23, 2008 Abandoned
Array ( [id] => 6540188 [patent_doc_number] => 20100126614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-27 [patent_title] => 'Separated-control valve device' [patent_app_type] => utility [patent_app_number] => 12/276421 [patent_app_country] => US [patent_app_date] => 2008-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2364 [patent_no_of_claims] => 6 [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] => publications/A1/0126/20100126614.pdf [firstpage_image] =>[orig_patent_app_number] => 12276421 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/276421
Separated-control valve device Nov 23, 2008 Abandoned
Array ( [id] => 6514027 [patent_doc_number] => 20100122733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-20 [patent_title] => 'PRESSURE BIASED MICRO-FLUIDIC VALVE' [patent_app_type] => utility [patent_app_number] => 12/274478 [patent_app_country] => US [patent_app_date] => 2008-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2632 [patent_no_of_claims] => 18 [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] => publications/A1/0122/20100122733.pdf [firstpage_image] =>[orig_patent_app_number] => 12274478 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/274478
PRESSURE BIASED MICRO-FLUIDIC VALVE Nov 19, 2008 Abandoned
Array ( [id] => 6561221 [patent_doc_number] => 20100095451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-22 [patent_title] => 'WATER-SAVING SHOWER HEAD' [patent_app_type] => utility [patent_app_number] => 12/254919 [patent_app_country] => US [patent_app_date] => 2008-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2631 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0095/20100095451.pdf [firstpage_image] =>[orig_patent_app_number] => 12254919 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/254919
WATER-SAVING SHOWER HEAD Oct 20, 2008 Abandoned
Array ( [id] => 6065079 [patent_doc_number] => 20110041515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => 'High Efficiency, Corrosion Resistant Heat Exchanger and Method of Use Thereof' [patent_app_type] => utility [patent_app_number] => 12/738792 [patent_app_country] => US [patent_app_date] => 2008-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11146 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0041/20110041515.pdf [firstpage_image] =>[orig_patent_app_number] => 12738792 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/738792
High Efficiency, Corrosion Resistant Heat Exchanger and Method of Use Thereof Oct 15, 2008 Abandoned
Array ( [id] => 5449573 [patent_doc_number] => 20090065609 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'INJECTOR' [patent_app_type] => utility [patent_app_number] => 12/197426 [patent_app_country] => US [patent_app_date] => 2008-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8345 [patent_no_of_claims] => 18 [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] => publications/A1/0065/20090065609.pdf [firstpage_image] =>[orig_patent_app_number] => 12197426 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/197426
INJECTOR Aug 24, 2008 Abandoned
Array ( [id] => 5306063 [patent_doc_number] => 20090013455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-15 [patent_title] => 'Disposable inflatable toilet seat cover' [patent_app_type] => utility [patent_app_number] => 12/217779 [patent_app_country] => US [patent_app_date] => 2008-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1759 [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] => publications/A1/0013/20090013455.pdf [firstpage_image] =>[orig_patent_app_number] => 12217779 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/217779
Disposable inflatable toilet seat cover Jul 8, 2008 Abandoned
Array ( [id] => 5306809 [patent_doc_number] => 20090014090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-01-15 [patent_title] => 'Fuel Tank for Vehicles' [patent_app_type] => utility [patent_app_number] => 12/147966 [patent_app_country] => US [patent_app_date] => 2008-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4818 [patent_no_of_claims] => 12 [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] => publications/A1/0014/20090014090.pdf [firstpage_image] =>[orig_patent_app_number] => 12147966 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/147966
Fuel Tank for Vehicles Jun 26, 2008 Abandoned
Array ( [id] => 5469490 [patent_doc_number] => 20090242656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-01 [patent_title] => 'EVAPORATOR SPRAY SYSTEM FOR AUTOMOBILE CABIN AROMA ENHANCEMENT' [patent_app_type] => utility [patent_app_number] => 12/055552 [patent_app_country] => US [patent_app_date] => 2008-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2146 [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] => publications/A1/0242/20090242656.pdf [firstpage_image] =>[orig_patent_app_number] => 12055552 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/055552
EVAPORATOR SPRAY SYSTEM FOR AUTOMOBILE CABIN AROMA ENHANCEMENT Mar 25, 2008 Abandoned
Array ( [id] => 6299233 [patent_doc_number] => 20100107657 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-06 [patent_title] => 'APPAREL WITH HEATING AND COOLING CAPABILITIES' [patent_app_type] => utility [patent_app_number] => 12/527757 [patent_app_country] => US [patent_app_date] => 2008-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5542 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0107/20100107657.pdf [firstpage_image] =>[orig_patent_app_number] => 12527757 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/527757
APPAREL WITH HEATING AND COOLING CAPABILITIES Feb 19, 2008 Abandoned
Array ( [id] => 6381843 [patent_doc_number] => 20100176219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-15 [patent_title] => 'FLUID SPRAYING GUN' [patent_app_type] => utility [patent_app_number] => 12/667405 [patent_app_country] => US [patent_app_date] => 2007-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3425 [patent_no_of_claims] => 1 [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] => publications/A1/0176/20100176219.pdf [firstpage_image] =>[orig_patent_app_number] => 12667405 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/667405
Fluid spraying gun Dec 26, 2007 Issued
Array ( [id] => 5425146 [patent_doc_number] => 20090084456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'FITTING WITH INTEGRAL TEST MEMBRANE' [patent_app_type] => utility [patent_app_number] => 11/955550 [patent_app_country] => US [patent_app_date] => 2007-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6890 [patent_no_of_claims] => 55 [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] => publications/A1/0084/20090084456.pdf [firstpage_image] =>[orig_patent_app_number] => 11955550 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/955550
FITTING WITH INTEGRAL TEST MEMBRANE Dec 12, 2007 Abandoned
Array ( [id] => 4781790 [patent_doc_number] => 20080135119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-12 [patent_title] => 'PROTECTIVE SLEEVE ASSEMBLY HAVING A SUPPORT MEMBER AND METHOD OF CONSTRUCTION' [patent_app_type] => utility [patent_app_number] => 11/951624 [patent_app_country] => US [patent_app_date] => 2007-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3929 [patent_no_of_claims] => 25 [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] => publications/A1/0135/20080135119.pdf [firstpage_image] =>[orig_patent_app_number] => 11951624 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/951624
PROTECTIVE SLEEVE ASSEMBLY HAVING A SUPPORT MEMBER AND METHOD OF CONSTRUCTION Dec 5, 2007 Abandoned
Array ( [id] => 5273964 [patent_doc_number] => 20090126096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-21 [patent_title] => 'Elevator assembly for swimming pool' [patent_app_type] => utility [patent_app_number] => 11/985466 [patent_app_country] => US [patent_app_date] => 2007-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4669 [patent_no_of_claims] => 18 [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] => publications/A1/0126/20090126096.pdf [firstpage_image] =>[orig_patent_app_number] => 11985466 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/985466
Elevator assembly for swimming pool Nov 14, 2007 Abandoned
Array ( [id] => 5260928 [patent_doc_number] => 20090113613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-07 [patent_title] => 'Liner for waste elimination systems' [patent_app_type] => utility [patent_app_number] => 11/982896 [patent_app_country] => US [patent_app_date] => 2007-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5879 [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] => publications/A1/0113/20090113613.pdf [firstpage_image] =>[orig_patent_app_number] => 11982896 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/982896
Liner for waste elimination systems Nov 5, 2007 Abandoned
Array ( [id] => 4788326 [patent_doc_number] => 20080289299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-11-27 [patent_title] => 'Method and an Apparatus for Filling of Packages' [patent_app_type] => utility [patent_app_number] => 12/094678 [patent_app_country] => US [patent_app_date] => 2006-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4103 [patent_no_of_claims] => 16 [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] => publications/A1/0289/20080289299.pdf [firstpage_image] =>[orig_patent_app_number] => 12094678 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/094678
Method and an Apparatus for Filling of Packages Nov 8, 2006 Abandoned
Array ( [id] => 5566739 [patent_doc_number] => 20090250116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-08 [patent_title] => 'FLOW RATE CONTROLLING APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/373280 [patent_app_country] => US [patent_app_date] => 2006-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2904 [patent_no_of_claims] => 6 [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] => publications/A1/0250/20090250116.pdf [firstpage_image] =>[orig_patent_app_number] => 12373280 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/373280
FLOW RATE CONTROLLING APPARATUS Oct 1, 2006 Abandoned
Array ( [id] => 5566854 [patent_doc_number] => 20090250231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-08 [patent_title] => 'Equipment for use in rescue service for making holes in roof etc by cutting' [patent_app_type] => utility [patent_app_number] => 11/990857 [patent_app_country] => US [patent_app_date] => 2006-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1429 [patent_no_of_claims] => 12 [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] => publications/A1/0250/20090250231.pdf [firstpage_image] =>[orig_patent_app_number] => 11990857 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/990857
Equipment for use in rescue service for making holes in roof etc by cutting Sep 4, 2006 Abandoned
Array ( [id] => 5133528 [patent_doc_number] => 20070075157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-04-05 [patent_title] => 'APPARATUS, METHOD, AND SYSTEM FOR APPLYING SUBSTANCES TO PRE-HARVESTED OR HARVESTED FORAGE, GRAIN, AND CROPS' [patent_app_type] => utility [patent_app_number] => 11/466013 [patent_app_country] => US [patent_app_date] => 2006-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10144 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0075/20070075157.pdf [firstpage_image] =>[orig_patent_app_number] => 11466013 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/466013
APPARATUS, METHOD, AND SYSTEM FOR APPLYING SUBSTANCES TO PRE-HARVESTED OR HARVESTED FORAGE, GRAIN, AND CROPS Aug 20, 2006 Abandoned
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