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] => 7290809 [patent_doc_number] => 20040211539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-28 [patent_title] => 'Apparatus for manufacturing billet for thixocasting' [patent_app_type] => new [patent_app_number] => 10/455324 [patent_app_country] => US [patent_app_date] => 2003-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6451 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0211/20040211539.pdf [firstpage_image] =>[orig_patent_app_number] => 10455324 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/455324
Apparatus for manufacturing billet for thixocasting Jun 5, 2003 Issued
Array ( [id] => 1034825 [patent_doc_number] => 06875946 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-05 [patent_title] => 'Device for welding' [patent_app_type] => utility [patent_app_number] => 10/456916 [patent_app_country] => US [patent_app_date] => 2003-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 7161 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/875/06875946.pdf [firstpage_image] =>[orig_patent_app_number] => 10456916 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/456916
Device for welding Jun 5, 2003 Issued
Array ( [id] => 418536 [patent_doc_number] => 07276205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-02 [patent_title] => 'Injection device and process for the injection of a fluid' [patent_app_type] => utility [patent_app_number] => 10/516999 [patent_app_country] => US [patent_app_date] => 2003-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2395 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/276/07276205.pdf [firstpage_image] =>[orig_patent_app_number] => 10516999 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/516999
Injection device and process for the injection of a fluid Jun 2, 2003 Issued
Array ( [id] => 5713356 [patent_doc_number] => 20060076719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-04-13 [patent_title] => 'System for producing alloy containing rare earth metal' [patent_app_type] => utility [patent_app_number] => 10/516520 [patent_app_country] => US [patent_app_date] => 2003-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6666 [patent_no_of_claims] => 8 [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/A1/0076/20060076719.pdf [firstpage_image] =>[orig_patent_app_number] => 10516520 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/516520
System for producing alloy containing rare earth metal May 28, 2003 Issued
Array ( [id] => 655503 [patent_doc_number] => 07109433 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-19 [patent_title] => 'Method and apparatus for initiating welding arc using chemical spray' [patent_app_type] => utility [patent_app_number] => 10/446578 [patent_app_country] => US [patent_app_date] => 2003-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3247 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/109/07109433.pdf [firstpage_image] =>[orig_patent_app_number] => 10446578 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/446578
Method and apparatus for initiating welding arc using chemical spray May 26, 2003 Issued
Array ( [id] => 7612537 [patent_doc_number] => 06903299 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-06-07 [patent_title] => 'Resistance welding tip assembly' [patent_app_type] => utility [patent_app_number] => 10/445660 [patent_app_country] => US [patent_app_date] => 2003-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1703 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/903/06903299.pdf [firstpage_image] =>[orig_patent_app_number] => 10445660 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/445660
Resistance welding tip assembly May 26, 2003 Issued
Array ( [id] => 7248258 [patent_doc_number] => 20040238511 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Method and apparatus for initiating welding arc with aid of vaporized chemical' [patent_app_type] => new [patent_app_number] => 10/446577 [patent_app_country] => US [patent_app_date] => 2003-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2972 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20040238511.pdf [firstpage_image] =>[orig_patent_app_number] => 10446577 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/446577
Method and apparatus for initiating welding arc with aid of vaporized chemical May 26, 2003 Abandoned
Array ( [id] => 1095940 [patent_doc_number] => 06817403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-11-16 [patent_title] => 'Matchplate molding machine for forming sand molds' [patent_app_type] => B2 [patent_app_number] => 10/443329 [patent_app_country] => US [patent_app_date] => 2003-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 41 [patent_no_of_words] => 8557 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/817/06817403.pdf [firstpage_image] =>[orig_patent_app_number] => 10443329 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/443329
Matchplate molding machine for forming sand molds May 21, 2003 Issued
Array ( [id] => 6661984 [patent_doc_number] => 20030201310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-30 [patent_title] => 'Packaging method using lead-free solder' [patent_app_type] => new [patent_app_number] => 10/441662 [patent_app_country] => US [patent_app_date] => 2003-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 13529 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0201/20030201310.pdf [firstpage_image] =>[orig_patent_app_number] => 10441662 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/441662
Packaging method using lead-free solder May 18, 2003 Issued
Array ( [id] => 960526 [patent_doc_number] => 06951238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-10-04 [patent_title] => 'Vertical injection machine using gravity feed' [patent_app_type] => utility [patent_app_number] => 10/440400 [patent_app_country] => US [patent_app_date] => 2003-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4885 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/951/06951238.pdf [firstpage_image] =>[orig_patent_app_number] => 10440400 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/440400
Vertical injection machine using gravity feed May 18, 2003 Issued
Array ( [id] => 7283372 [patent_doc_number] => 20040144763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Arc welding method' [patent_app_type] => new [patent_app_number] => 10/441815 [patent_app_country] => US [patent_app_date] => 2003-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1666 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0144/20040144763.pdf [firstpage_image] =>[orig_patent_app_number] => 10441815 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/441815
Arc welding method May 18, 2003 Abandoned
Array ( [id] => 7362229 [patent_doc_number] => 20040025312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-12 [patent_title] => 'Casting roll for casting and/or supporting a cast strand, in particular for a two-roll casting machine' [patent_app_type] => new [patent_app_number] => 10/432104 [patent_app_country] => US [patent_app_date] => 2003-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1921 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20040025312.pdf [firstpage_image] =>[orig_patent_app_number] => 10432104 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/432104
Casting roll for casting and/or supporting a cast strand, in particular for a two-roll casting machine May 15, 2003 Abandoned
Array ( [id] => 708407 [patent_doc_number] => 07060930 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-13 [patent_title] => 'Joining system head, joining system, and method of feeding and joining elements' [patent_app_type] => utility [patent_app_number] => 10/436882 [patent_app_country] => US [patent_app_date] => 2003-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 8798 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/060/07060930.pdf [firstpage_image] =>[orig_patent_app_number] => 10436882 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/436882
Joining system head, joining system, and method of feeding and joining elements May 12, 2003 Issued
Array ( [id] => 7362323 [patent_doc_number] => 20040025339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-12 [patent_title] => 'Method for manufacturing a crankshaft' [patent_app_type] => new [patent_app_number] => 10/434523 [patent_app_country] => US [patent_app_date] => 2003-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2948 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0025/20040025339.pdf [firstpage_image] =>[orig_patent_app_number] => 10434523 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/434523
Method for manufacturing a crankshaft May 7, 2003 Abandoned
Array ( [id] => 1034821 [patent_doc_number] => 06875944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-05 [patent_title] => 'Method for resistance welding/brazing a tube to a container' [patent_app_type] => utility [patent_app_number] => 10/430854 [patent_app_country] => US [patent_app_date] => 2003-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4057 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/875/06875944.pdf [firstpage_image] =>[orig_patent_app_number] => 10430854 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/430854
Method for resistance welding/brazing a tube to a container May 5, 2003 Issued
Array ( [id] => 605249 [patent_doc_number] => 07152661 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-26 [patent_title] => 'Method and casting roller plant for the semi-endless or endlers rolling by casting of a metal in particular a steel strip which may be transversely separated as required after solidification' [patent_app_type] => utility [patent_app_number] => 10/518085 [patent_app_country] => US [patent_app_date] => 2003-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2642 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/152/07152661.pdf [firstpage_image] =>[orig_patent_app_number] => 10518085 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/518085
Method and casting roller plant for the semi-endless or endlers rolling by casting of a metal in particular a steel strip which may be transversely separated as required after solidification May 1, 2003 Issued
Array ( [id] => 1026065 [patent_doc_number] => 06880613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-19 [patent_title] => 'Semi-solid metal casting process of hypoeutectic aluminum alloys' [patent_app_type] => utility [patent_app_number] => 10/426799 [patent_app_country] => US [patent_app_date] => 2003-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2434 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/880/06880613.pdf [firstpage_image] =>[orig_patent_app_number] => 10426799 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/426799
Semi-solid metal casting process of hypoeutectic aluminum alloys Apr 30, 2003 Issued
Array ( [id] => 6980804 [patent_doc_number] => 20050150872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-14 [patent_title] => 'Protective covering for welding devices' [patent_app_type] => utility [patent_app_number] => 10/510982 [patent_app_country] => US [patent_app_date] => 2003-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1542 [patent_no_of_claims] => 8 [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/A1/0150/20050150872.pdf [firstpage_image] =>[orig_patent_app_number] => 10510982 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/510982
Protective covering for welding devices Apr 13, 2003 Issued
Array ( [id] => 7455353 [patent_doc_number] => 20040197135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-07 [patent_title] => 'Sheet metal assembly and method to reduce weight' [patent_app_type] => new [patent_app_number] => 10/408770 [patent_app_country] => US [patent_app_date] => 2003-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1752 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0197/20040197135.pdf [firstpage_image] =>[orig_patent_app_number] => 10408770 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/408770
Sheet metal assembly and method to reduce weight Apr 6, 2003 Abandoned
Array ( [id] => 5696950 [patent_doc_number] => 20060213634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-28 [patent_title] => 'Heat insulation plunger sleeve for die casting machine' [patent_app_type] => utility [patent_app_number] => 10/549628 [patent_app_country] => US [patent_app_date] => 2003-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4157 [patent_no_of_claims] => 10 [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/A1/0213/20060213634.pdf [firstpage_image] =>[orig_patent_app_number] => 10549628 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/549628
Heat insulation plunger sleeve for die casting machine Mar 26, 2003 Abandoned
Menu