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] => 7022315 [patent_doc_number] => 20050016709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-27 [patent_title] => 'Semi-solid casting process of aluminum alloys with a grain refiner' [patent_app_type] => utility [patent_app_number] => 10/622775 [patent_app_country] => US [patent_app_date] => 2003-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2999 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 32 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0016/20050016709.pdf [firstpage_image] =>[orig_patent_app_number] => 10622775 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/622775
Semi-solid casting process of aluminum alloys with a grain refiner Jul 20, 2003 Issued
Array ( [id] => 6975132 [patent_doc_number] => 20050284847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-29 [patent_title] => 'Electrode for projection welding' [patent_app_type] => utility [patent_app_number] => 10/521547 [patent_app_country] => US [patent_app_date] => 2003-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2602 [patent_no_of_claims] => 9 [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/A1/0284/20050284847.pdf [firstpage_image] =>[orig_patent_app_number] => 10521547 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/521547
Electrode for projection welding Jul 16, 2003 Issued
Array ( [id] => 778284 [patent_doc_number] => 06994147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-07 [patent_title] => 'Semi-solid metal casting process of hypereutectic aluminum alloys' [patent_app_type] => utility [patent_app_number] => 10/619143 [patent_app_country] => US [patent_app_date] => 2003-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2421 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/994/06994147.pdf [firstpage_image] =>[orig_patent_app_number] => 10619143 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/619143
Semi-solid metal casting process of hypereutectic aluminum alloys Jul 14, 2003 Issued
Array ( [id] => 618434 [patent_doc_number] => 07140416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-28 [patent_title] => 'Continuous metal strip casting plant' [patent_app_type] => utility [patent_app_number] => 10/520643 [patent_app_country] => US [patent_app_date] => 2003-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2368 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/140/07140416.pdf [firstpage_image] =>[orig_patent_app_number] => 10520643 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/520643
Continuous metal strip casting plant Jul 8, 2003 Issued
Array ( [id] => 5588875 [patent_doc_number] => 20060038326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-23 [patent_title] => 'Injector-burner for metal melting furnances' [patent_app_type] => utility [patent_app_number] => 10/520807 [patent_app_country] => US [patent_app_date] => 2003-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10160 [patent_no_of_claims] => 37 [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/A1/0038/20060038326.pdf [firstpage_image] =>[orig_patent_app_number] => 10520807 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/520807
Injector-burner for metal melting furnaces Jul 8, 2003 Issued
Array ( [id] => 6922879 [patent_doc_number] => 20050236134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-27 [patent_title] => 'Continuous casting plant with a deflecting device for metallic strips and deflecting method' [patent_app_type] => utility [patent_app_number] => 10/520765 [patent_app_country] => US [patent_app_date] => 2003-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2116 [patent_no_of_claims] => 3 [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/A1/0236/20050236134.pdf [firstpage_image] =>[orig_patent_app_number] => 10520765 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/520765
Continuous casting plant with a deflecting device for metallic strips and deflecting method Jul 7, 2003 Abandoned
Array ( [id] => 7295005 [patent_doc_number] => 20040123972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Roll apparatus of continuous caster and cylindrical roller bearing for supporting roll of continuous caster' [patent_app_type] => new [patent_app_number] => 10/611678 [patent_app_country] => US [patent_app_date] => 2003-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2298 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0123/20040123972.pdf [firstpage_image] =>[orig_patent_app_number] => 10611678 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/611678
Roll apparatus of continuous caster and cylindrical roller bearing for supporting roll of continuous caster Jul 1, 2003 Issued
Array ( [id] => 7058318 [patent_doc_number] => 20050000677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-06 [patent_title] => 'Control of oxide growth on molten aluminum during casting using a high moisture atmosphere' [patent_app_type] => utility [patent_app_number] => 10/612866 [patent_app_country] => US [patent_app_date] => 2003-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 4894 [patent_no_of_claims] => 28 [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/A1/0000/20050000677.pdf [firstpage_image] =>[orig_patent_app_number] => 10612866 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/612866
Control of oxide growth on molten aluminum during casting using a high moisture atmosphere Jul 1, 2003 Issued
Array ( [id] => 1050330 [patent_doc_number] => 06861609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-01 [patent_title] => 'Welding electrode for aluminum sheets' [patent_app_type] => utility [patent_app_number] => 10/611840 [patent_app_country] => US [patent_app_date] => 2003-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5179 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/861/06861609.pdf [firstpage_image] =>[orig_patent_app_number] => 10611840 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/611840
Welding electrode for aluminum sheets Jun 30, 2003 Issued
Array ( [id] => 7058320 [patent_doc_number] => 20050000679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-06 [patent_title] => 'Horizontal direct chill casting apparatus and method' [patent_app_type] => utility [patent_app_number] => 10/611230 [patent_app_country] => US [patent_app_date] => 2003-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4137 [patent_no_of_claims] => 26 [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/A1/0000/20050000679.pdf [firstpage_image] =>[orig_patent_app_number] => 10611230 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/611230
Horizontal direct chill casting apparatus and method Jun 30, 2003 Abandoned
Array ( [id] => 7351662 [patent_doc_number] => 20040089437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Method and apparatus for making metal alloy castings' [patent_app_type] => new [patent_app_number] => 10/344209 [patent_app_country] => US [patent_app_date] => 2003-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5922 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0089/20040089437.pdf [firstpage_image] =>[orig_patent_app_number] => 10344209 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/344209
Method and apparatus for making metal alloy castings Jun 26, 2003 Abandoned
Array ( [id] => 7419329 [patent_doc_number] => 20040000386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-01 [patent_title] => 'Molded article of metal matrix composite and method for making such an article' [patent_app_type] => new [patent_app_number] => 10/607886 [patent_app_country] => US [patent_app_date] => 2003-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4677 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20040000386.pdf [firstpage_image] =>[orig_patent_app_number] => 10607886 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/607886
Molded article of metal matrix composite and method for making such an article Jun 26, 2003 Abandoned
Array ( [id] => 967400 [patent_doc_number] => 06938672 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-09-06 [patent_title] => 'Rheoforming apparatus' [patent_app_type] => utility [patent_app_number] => 10/606183 [patent_app_country] => US [patent_app_date] => 2003-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6581 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/938/06938672.pdf [firstpage_image] =>[orig_patent_app_number] => 10606183 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/606183
Rheoforming apparatus Jun 25, 2003 Issued
Array ( [id] => 7267487 [patent_doc_number] => 20040056005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-25 [patent_title] => 'Device and method for short cycle arc welding' [patent_app_type] => new [patent_app_number] => 10/606309 [patent_app_country] => US [patent_app_date] => 2003-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4767 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0056/20040056005.pdf [firstpage_image] =>[orig_patent_app_number] => 10606309 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/606309
Device and method for short cycle arc welding Jun 24, 2003 Issued
Array ( [id] => 934722 [patent_doc_number] => 06974069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-13 [patent_title] => 'Solder ball attaching system and method' [patent_app_type] => utility [patent_app_number] => 10/465632 [patent_app_country] => US [patent_app_date] => 2003-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 18 [patent_no_of_words] => 14208 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/974/06974069.pdf [firstpage_image] =>[orig_patent_app_number] => 10465632 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/465632
Solder ball attaching system and method Jun 19, 2003 Issued
Array ( [id] => 972399 [patent_doc_number] => 06936785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-30 [patent_title] => 'Welding construction and a welding method using the same' [patent_app_type] => utility [patent_app_number] => 10/461231 [patent_app_country] => US [patent_app_date] => 2003-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 5590 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/936/06936785.pdf [firstpage_image] =>[orig_patent_app_number] => 10461231 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/461231
Welding construction and a welding method using the same Jun 12, 2003 Issued
Array ( [id] => 7377450 [patent_doc_number] => 20040035549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-26 [patent_title] => 'Casting roller with variable profile for casting metal strip in a casting roller plant' [patent_app_type] => new [patent_app_number] => 10/450752 [patent_app_country] => US [patent_app_date] => 2003-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2161 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0035/20040035549.pdf [firstpage_image] =>[orig_patent_app_number] => 10450752 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/450752
Casting roller with variable profile for casting metal strip in a casting roller plant Jun 12, 2003 Abandoned
Array ( [id] => 7322562 [patent_doc_number] => 20040250982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-16 [patent_title] => 'Mold table sensing & automation system' [patent_app_type] => new [patent_app_number] => 10/461075 [patent_app_country] => US [patent_app_date] => 2003-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 8766 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0250/20040250982.pdf [firstpage_image] =>[orig_patent_app_number] => 10461075 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/461075
Mold table sensing and automation system Jun 12, 2003 Issued
Array ( [id] => 7346509 [patent_doc_number] => 20040011500 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-01-22 [patent_title] => 'Method for the casting of metallurgical products on a continuous-casting plant comprising a tundish' [patent_app_type] => new [patent_app_number] => 10/460676 [patent_app_country] => US [patent_app_date] => 2003-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1663 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0011/20040011500.pdf [firstpage_image] =>[orig_patent_app_number] => 10460676 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/460676
Method for the casting of metallurgical products on a continuous-casting plant comprising a tundish Jun 12, 2003 Abandoned
Array ( [id] => 751313 [patent_doc_number] => 07022934 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-04-04 [patent_title] => 'Connecting adapter for weld electrode' [patent_app_type] => utility [patent_app_number] => 10/458709 [patent_app_country] => US [patent_app_date] => 2003-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3697 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/022/07022934.pdf [firstpage_image] =>[orig_patent_app_number] => 10458709 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/458709
Connecting adapter for weld electrode Jun 9, 2003 Issued
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