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] => 7230543 [patent_doc_number] => 20040256078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Method and device for cooling the copper plates of a continuous casting ingot mould for liquid metals, especially liquid steel' [patent_app_type] => new [patent_app_number] => 10/491035 [patent_app_country] => US [patent_app_date] => 2004-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3229 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0256/20040256078.pdf [firstpage_image] =>[orig_patent_app_number] => 10491035 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/491035
Method and device for cooling the copper plates of a continuous casting ingot mould for liquid metals, especially liquid steel Aug 12, 2004 Abandoned
Array ( [id] => 5795926 [patent_doc_number] => 20060032603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-16 [patent_title] => 'LADLE FOR MOLTEN METAL' [patent_app_type] => utility [patent_app_number] => 10/915986 [patent_app_country] => US [patent_app_date] => 2004-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4051 [patent_no_of_claims] => 34 [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/A1/0032/20060032603.pdf [firstpage_image] =>[orig_patent_app_number] => 10915986 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/915986
Ladle for molten metal Aug 10, 2004 Issued
Array ( [id] => 774855 [patent_doc_number] => 06997237 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-14 [patent_title] => 'Die-casting or injection molding machine' [patent_app_type] => utility [patent_app_number] => 10/915833 [patent_app_country] => US [patent_app_date] => 2004-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3451 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/997/06997237.pdf [firstpage_image] =>[orig_patent_app_number] => 10915833 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/915833
Die-casting or injection molding machine Aug 10, 2004 Issued
Array ( [id] => 7085935 [patent_doc_number] => 20050006046 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-13 [patent_title] => 'Method and apparatus for injection molding light metal alloy' [patent_app_type] => utility [patent_app_number] => 10/914153 [patent_app_country] => US [patent_app_date] => 2004-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 10022 [patent_no_of_claims] => 32 [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/A1/0006/20050006046.pdf [firstpage_image] =>[orig_patent_app_number] => 10914153 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/914153
Method and apparatus for injection molding light metal alloy Aug 9, 2004 Issued
Array ( [id] => 7232685 [patent_doc_number] => 20040256369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Copying welder' [patent_app_type] => new [patent_app_number] => 10/484526 [patent_app_country] => US [patent_app_date] => 2004-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4720 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0256/20040256369.pdf [firstpage_image] =>[orig_patent_app_number] => 10484526 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/484526
Copying welder Aug 8, 2004 Abandoned
Array ( [id] => 380269 [patent_doc_number] => 07309844 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-18 [patent_title] => 'Multi-piece front loading liner' [patent_app_type] => utility [patent_app_number] => 10/910785 [patent_app_country] => US [patent_app_date] => 2004-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4131 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/309/07309844.pdf [firstpage_image] =>[orig_patent_app_number] => 10910785 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/910785
Multi-piece front loading liner Aug 2, 2004 Issued
Array ( [id] => 5593300 [patent_doc_number] => 20060157216 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-20 [patent_title] => 'Cylinder liner improvements' [patent_app_type] => utility [patent_app_number] => 10/564926 [patent_app_country] => US [patent_app_date] => 2004-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1956 [patent_no_of_claims] => 22 [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/A1/0157/20060157216.pdf [firstpage_image] =>[orig_patent_app_number] => 10564926 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/564926
Cylinder liner improvements Jul 14, 2004 Issued
Array ( [id] => 524292 [patent_doc_number] => 07172012 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-02-06 [patent_title] => 'Investment casting' [patent_app_type] => utility [patent_app_number] => 10/891660 [patent_app_country] => US [patent_app_date] => 2004-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3723 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/172/07172012.pdf [firstpage_image] =>[orig_patent_app_number] => 10891660 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/891660
Investment casting Jul 13, 2004 Issued
Array ( [id] => 778286 [patent_doc_number] => 06994149 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-07 [patent_title] => 'Casting system and method for pouring nonferrous metal molten masses' [patent_app_type] => utility [patent_app_number] => 10/888714 [patent_app_country] => US [patent_app_date] => 2004-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5758 [patent_no_of_claims] => 16 [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/06/994/06994149.pdf [firstpage_image] =>[orig_patent_app_number] => 10888714 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/888714
Casting system and method for pouring nonferrous metal molten masses Jul 7, 2004 Issued
Array ( [id] => 385632 [patent_doc_number] => 07302996 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-04 [patent_title] => 'Feed device for feeding molten metal into a crystallizer' [patent_app_type] => utility [patent_app_number] => 10/563015 [patent_app_country] => US [patent_app_date] => 2004-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2098 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/302/07302996.pdf [firstpage_image] =>[orig_patent_app_number] => 10563015 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/563015
Feed device for feeding molten metal into a crystallizer Jul 1, 2004 Issued
Array ( [id] => 7322561 [patent_doc_number] => 20040250981 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Continuous casting roll for casting molten baths and method for producing one such continuous casting roll' [patent_app_type] => new [patent_app_number] => 10/483577 [patent_app_country] => US [patent_app_date] => 2004-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1818 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 3 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0250/20040250981.pdf [firstpage_image] =>[orig_patent_app_number] => 10483577 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/483577
Continuous casting roll for casting molten baths and method for producing one such continuous casting roll Jun 30, 2004 Abandoned
Array ( [id] => 7323032 [patent_doc_number] => 20040251239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Electric actuator' [patent_app_type] => new [patent_app_number] => 10/879394 [patent_app_country] => US [patent_app_date] => 2004-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5918 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0251/20040251239.pdf [firstpage_image] =>[orig_patent_app_number] => 10879394 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/879394
Electric actuator Jun 28, 2004 Issued
Array ( [id] => 516043 [patent_doc_number] => 07182121 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-02-27 [patent_title] => 'Investment casting method and materials' [patent_app_type] => utility [patent_app_number] => 10/878871 [patent_app_country] => US [patent_app_date] => 2004-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3042 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/182/07182121.pdf [firstpage_image] =>[orig_patent_app_number] => 10878871 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/878871
Investment casting method and materials Jun 27, 2004 Issued
Array ( [id] => 7400186 [patent_doc_number] => 20040261971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-30 [patent_title] => 'Method for manufacturing a cylinder for internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/870809 [patent_app_country] => US [patent_app_date] => 2004-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6416 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0261/20040261971.pdf [firstpage_image] =>[orig_patent_app_number] => 10870809 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/870809
Method for manufacturing a cylinder for internal combustion engine Jun 16, 2004 Abandoned
Array ( [id] => 7189937 [patent_doc_number] => 20050040143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-24 [patent_title] => 'Gas metal arc welding of coated steels and shielding gas therefor' [patent_app_type] => utility [patent_app_number] => 10/868888 [patent_app_country] => US [patent_app_date] => 2004-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2389 [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/A1/0040/20050040143.pdf [firstpage_image] =>[orig_patent_app_number] => 10868888 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/868888
Gas metal arc welding of coated steels and shielding gas therefor Jun 16, 2004 Issued
Array ( [id] => 396410 [patent_doc_number] => 07293692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Solder joint structure, soldering method, and electronic-component manufacturing apparatus using the same structure and the method' [patent_app_type] => utility [patent_app_number] => 10/865474 [patent_app_country] => US [patent_app_date] => 2004-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 13691 [patent_no_of_claims] => 29 [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/07/293/07293692.pdf [firstpage_image] =>[orig_patent_app_number] => 10865474 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/865474
Solder joint structure, soldering method, and electronic-component manufacturing apparatus using the same structure and the method Jun 9, 2004 Issued
Array ( [id] => 377315 [patent_doc_number] => 07312416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-25 [patent_title] => 'Apparatus and methods for underwater welding' [patent_app_type] => utility [patent_app_number] => 10/861504 [patent_app_country] => US [patent_app_date] => 2004-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3548 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/312/07312416.pdf [firstpage_image] =>[orig_patent_app_number] => 10861504 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/861504
Apparatus and methods for underwater welding Jun 6, 2004 Issued
Array ( [id] => 531057 [patent_doc_number] => 07165597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-23 [patent_title] => 'Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core' [patent_app_type] => utility [patent_app_number] => 10/858931 [patent_app_country] => US [patent_app_date] => 2004-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 8435 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/165/07165597.pdf [firstpage_image] =>[orig_patent_app_number] => 10858931 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/858931
Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core Jun 1, 2004 Issued
Array ( [id] => 522402 [patent_doc_number] => 07174946 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-13 [patent_title] => 'Chill casting process and foam casting process as well as a pressure tight closable casting mold for manufacture of form parts' [patent_app_type] => utility [patent_app_number] => 10/858466 [patent_app_country] => US [patent_app_date] => 2004-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2136 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/174/07174946.pdf [firstpage_image] =>[orig_patent_app_number] => 10858466 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/858466
Chill casting process and foam casting process as well as a pressure tight closable casting mold for manufacture of form parts Jun 1, 2004 Issued
Array ( [id] => 977248 [patent_doc_number] => 06929053 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-08-16 [patent_title] => 'Mold fill method and system' [patent_app_type] => utility [patent_app_number] => 10/854290 [patent_app_country] => US [patent_app_date] => 2004-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2707 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/929/06929053.pdf [firstpage_image] =>[orig_patent_app_number] => 10854290 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/854290
Mold fill method and system May 25, 2004 Issued
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