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] => 7336881 [patent_doc_number] => 20040244936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Die coatings for gravity and low pressure die casting' [patent_app_type] => new [patent_app_number] => 10/749511 [patent_app_country] => US [patent_app_date] => 2004-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3570 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 3 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0244/20040244936.pdf [firstpage_image] =>[orig_patent_app_number] => 10749511 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/749511
Die coatings for gravity and low pressure die casting Jan 1, 2004 Issued
Array ( [id] => 977249 [patent_doc_number] => 06929054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-16 [patent_title] => 'Investment casting cores' [patent_app_type] => utility [patent_app_number] => 10/741710 [patent_app_country] => US [patent_app_date] => 2003-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 6149 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/929/06929054.pdf [firstpage_image] =>[orig_patent_app_number] => 10741710 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/741710
Investment casting cores Dec 18, 2003 Issued
Array ( [id] => 766482 [patent_doc_number] => 07004223 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-28 [patent_title] => 'Method and apparatus for vacuum measurement during die casting' [patent_app_type] => utility [patent_app_number] => 10/739580 [patent_app_country] => US [patent_app_date] => 2003-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3104 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/004/07004223.pdf [firstpage_image] =>[orig_patent_app_number] => 10739580 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/739580
Method and apparatus for vacuum measurement during die casting Dec 18, 2003 Issued
Array ( [id] => 7295474 [patent_doc_number] => 20040124230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Application of acoustic and vibrational energy for fabricating bumped IC die and assembly of PCA\'s' [patent_app_type] => new [patent_app_number] => 10/737240 [patent_app_country] => US [patent_app_date] => 2003-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 9164 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0124/20040124230.pdf [firstpage_image] =>[orig_patent_app_number] => 10737240 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/737240
Application of acoustic and vibrational energy for fabricating bumped IC die and assembly of PCA's Dec 15, 2003 Issued
Array ( [id] => 7369088 [patent_doc_number] => 20040079512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'Installation for producing a hot-rolled strip' [patent_app_type] => new [patent_app_number] => 10/467743 [patent_app_country] => US [patent_app_date] => 2003-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3278 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0079/20040079512.pdf [firstpage_image] =>[orig_patent_app_number] => 10467743 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/467743
Installation for producing a hot-rolled strip Dec 3, 2003 Abandoned
Array ( [id] => 7139525 [patent_doc_number] => 20050115942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-02 [patent_title] => 'Apparatus and method for accommodating part mismatch during joining' [patent_app_type] => utility [patent_app_number] => 10/724948 [patent_app_country] => US [patent_app_date] => 2003-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2560 [patent_no_of_claims] => 17 [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/A1/0115/20050115942.pdf [firstpage_image] =>[orig_patent_app_number] => 10724948 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/724948
Apparatus and method for accommodating part mismatch during joining Nov 30, 2003 Issued
Array ( [id] => 7283367 [patent_doc_number] => 20040144758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Resistance welding method, resistance welding apparatus, and method for manufacturing electronic component' [patent_app_type] => new [patent_app_number] => 10/725132 [patent_app_country] => US [patent_app_date] => 2003-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4163 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0144/20040144758.pdf [firstpage_image] =>[orig_patent_app_number] => 10725132 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/725132
Resistance welding method, resistance welding apparatus, and method for manufacturing electronic component Nov 30, 2003 Issued
Array ( [id] => 7100523 [patent_doc_number] => 20050103461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Process for generating a semi-solid slurry' [patent_app_type] => utility [patent_app_number] => 10/715362 [patent_app_country] => US [patent_app_date] => 2003-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3935 [patent_no_of_claims] => 57 [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/A1/0103/20050103461.pdf [firstpage_image] =>[orig_patent_app_number] => 10715362 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/715362
Process for generating a semi-solid slurry Nov 18, 2003 Abandoned
Array ( [id] => 7327511 [patent_doc_number] => 20040129402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-08 [patent_title] => 'Magnesium die casting system' [patent_app_type] => new [patent_app_number] => 10/706273 [patent_app_country] => US [patent_app_date] => 2003-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4087 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0129/20040129402.pdf [firstpage_image] =>[orig_patent_app_number] => 10706273 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/706273
Magnesium die casting system Nov 12, 2003 Issued
Array ( [id] => 6903147 [patent_doc_number] => 20050098542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-12 [patent_title] => 'System and method for electroslag welding an expansion joint rail' [patent_app_type] => utility [patent_app_number] => 10/712390 [patent_app_country] => US [patent_app_date] => 2003-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5159 [patent_no_of_claims] => 38 [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/A1/0098/20050098542.pdf [firstpage_image] =>[orig_patent_app_number] => 10712390 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/712390
System and method for electroslag welding an expansion joint rail Nov 11, 2003 Issued
Array ( [id] => 7295000 [patent_doc_number] => 20040123967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Investment moulding process and apparatus' [patent_app_type] => new [patent_app_number] => 10/702547 [patent_app_country] => US [patent_app_date] => 2003-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3661 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0123/20040123967.pdf [firstpage_image] =>[orig_patent_app_number] => 10702547 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/702547
Investment moulding process and apparatus Nov 6, 2003 Issued
Array ( [id] => 7455385 [patent_doc_number] => 20040094285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-20 [patent_title] => 'Method and apparatus for manufacturing disk rotor' [patent_app_type] => new [patent_app_number] => 10/697619 [patent_app_country] => US [patent_app_date] => 2003-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6017 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0094/20040094285.pdf [firstpage_image] =>[orig_patent_app_number] => 10697619 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/697619
Method and apparatus for manufacturing disk rotor Oct 28, 2003 Issued
Array ( [id] => 546675 [patent_doc_number] => 07170025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-30 [patent_title] => 'Welding device' [patent_app_type] => utility [patent_app_number] => 10/533572 [patent_app_country] => US [patent_app_date] => 2003-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 2529 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/170/07170025.pdf [firstpage_image] =>[orig_patent_app_number] => 10533572 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/533572
Welding device Oct 28, 2003 Issued
Array ( [id] => 7304632 [patent_doc_number] => 20040140292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-22 [patent_title] => 'Micro-welded gun barrel coatings' [patent_app_type] => new [patent_app_number] => 10/689879 [patent_app_country] => US [patent_app_date] => 2003-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3740 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0140/20040140292.pdf [firstpage_image] =>[orig_patent_app_number] => 10689879 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/689879
Micro-welded gun barrel coatings Oct 20, 2003 Abandoned
Array ( [id] => 7124652 [patent_doc_number] => 20050056395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Method of casting aluminum or aluminum alloy' [patent_app_type] => utility [patent_app_number] => 10/689401 [patent_app_country] => US [patent_app_date] => 2003-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2402 [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/A1/0056/20050056395.pdf [firstpage_image] =>[orig_patent_app_number] => 10689401 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/689401
Method of casting aluminum or aluminum alloy Oct 20, 2003 Abandoned
Array ( [id] => 7157580 [patent_doc_number] => 20040074625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-22 [patent_title] => 'Method of making an inert anode for electrolytic reduction of metal oxides' [patent_app_type] => new [patent_app_number] => 10/684649 [patent_app_country] => US [patent_app_date] => 2003-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3676 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0074/20040074625.pdf [firstpage_image] =>[orig_patent_app_number] => 10684649 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/684649
Method of making an inert anode for electrolytic reduction of metal oxides Oct 13, 2003 Abandoned
Array ( [id] => 7238703 [patent_doc_number] => 20050072550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-07 [patent_title] => 'Casting method and casting mold' [patent_app_type] => utility [patent_app_number] => 10/683477 [patent_app_country] => US [patent_app_date] => 2003-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 17259 [patent_no_of_claims] => 43 [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/A1/0072/20050072550.pdf [firstpage_image] =>[orig_patent_app_number] => 10683477 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/683477
Casting method and casting mold Oct 9, 2003 Issued
Array ( [id] => 7113832 [patent_doc_number] => 20050067132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Enhanced gravity casting' [patent_app_type] => utility [patent_app_number] => 10/673710 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2509 [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/A1/0067/20050067132.pdf [firstpage_image] =>[orig_patent_app_number] => 10673710 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/673710
Enhanced gravity casting Sep 28, 2003 Issued
Array ( [id] => 7113831 [patent_doc_number] => 20050067131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Semi-solid metal casting process' [patent_app_type] => utility [patent_app_number] => 10/671707 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2932 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20050067131.pdf [firstpage_image] =>[orig_patent_app_number] => 10671707 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/671707
Semi-solid metal casting process Sep 28, 2003 Abandoned
Array ( [id] => 957894 [patent_doc_number] => 06953078 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-10-11 [patent_title] => 'Method for forming consumable electrodes from metallic chip scraps' [patent_app_type] => utility [patent_app_number] => 10/672970 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2590 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/953/06953078.pdf [firstpage_image] =>[orig_patent_app_number] => 10672970 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/672970
Method for forming consumable electrodes from metallic chip scraps Sep 28, 2003 Issued
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