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] => 7248256 [patent_doc_number] => 20040238510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Soldering method for metal fastening elements' [patent_app_type] => new [patent_app_number] => 10/814479 [patent_app_country] => US [patent_app_date] => 2004-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2817 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20040238510.pdf [firstpage_image] =>[orig_patent_app_number] => 10814479 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/814479
Soldering method for metal fastening elements Mar 30, 2004 Abandoned
Array ( [id] => 479642 [patent_doc_number] => 07223934 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-29 [patent_title] => 'Hand welding device, welding apparatus and welding gauge' [patent_app_type] => utility [patent_app_number] => 10/812397 [patent_app_country] => US [patent_app_date] => 2004-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3649 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/223/07223934.pdf [firstpage_image] =>[orig_patent_app_number] => 10812397 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/812397
Hand welding device, welding apparatus and welding gauge Mar 28, 2004 Issued
Array ( [id] => 7336885 [patent_doc_number] => 20040244938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-09 [patent_title] => 'Continous casting mould' [patent_app_type] => new [patent_app_number] => 10/490538 [patent_app_country] => US [patent_app_date] => 2004-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3773 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0244/20040244938.pdf [firstpage_image] =>[orig_patent_app_number] => 10490538 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/490538
Continous casting mould Mar 23, 2004 Abandoned
Array ( [id] => 7174463 [patent_doc_number] => 20050189085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'HOT CHAMBER DIE CASTING' [patent_app_type] => utility [patent_app_number] => 10/790472 [patent_app_country] => US [patent_app_date] => 2004-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2235 [patent_no_of_claims] => 27 [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/A1/0189/20050189085.pdf [firstpage_image] =>[orig_patent_app_number] => 10790472 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/790472
Hot chamber die casting Feb 29, 2004 Issued
Array ( [id] => 7174472 [patent_doc_number] => 20050189087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'DIRECT CHILLED METAL CASTING SYSTEM' [patent_app_type] => utility [patent_app_number] => 10/789391 [patent_app_country] => US [patent_app_date] => 2004-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 12323 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0189/20050189087.pdf [firstpage_image] =>[orig_patent_app_number] => 10789391 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/789391
Direct chilled metal casting system Feb 27, 2004 Issued
Array ( [id] => 708406 [patent_doc_number] => 07060929 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-13 [patent_title] => 'Sheet-to-tube resistance spot welding using servo gun' [patent_app_type] => utility [patent_app_number] => 10/785793 [patent_app_country] => US [patent_app_date] => 2004-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4536 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/060/07060929.pdf [firstpage_image] =>[orig_patent_app_number] => 10785793 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/785793
Sheet-to-tube resistance spot welding using servo gun Feb 23, 2004 Issued
Array ( [id] => 7246134 [patent_doc_number] => 20040238151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-02 [patent_title] => 'Device for improved supply of mould particle material to the hopper of a foundry machine for mould-making' [patent_app_type] => new [patent_app_number] => 10/487626 [patent_app_country] => US [patent_app_date] => 2004-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2570 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20040238151.pdf [firstpage_image] =>[orig_patent_app_number] => 10487626 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/487626
Device for improved supply of mould particle material to the hopper of a foundry machine for mould-making Feb 23, 2004 Abandoned
Array ( [id] => 437992 [patent_doc_number] => 07258155 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-21 [patent_title] => 'Ingot mould for quenching metals and ingots thus obtained' [patent_app_type] => utility [patent_app_number] => 10/543419 [patent_app_country] => US [patent_app_date] => 2004-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3681 [patent_no_of_claims] => 23 [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/07/258/07258155.pdf [firstpage_image] =>[orig_patent_app_number] => 10543419 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/543419
Ingot mould for quenching metals and ingots thus obtained Feb 16, 2004 Issued
Array ( [id] => 680886 [patent_doc_number] => 07084366 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-08-01 [patent_title] => 'Method for controlling brazing' [patent_app_type] => utility [patent_app_number] => 10/777666 [patent_app_country] => US [patent_app_date] => 2004-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1489 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/084/07084366.pdf [firstpage_image] =>[orig_patent_app_number] => 10777666 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/777666
Method for controlling brazing Feb 9, 2004 Issued
Array ( [id] => 762662 [patent_doc_number] => 07007835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-07 [patent_title] => 'Solder bonding technique for assembling a tilted chip or substrate' [patent_app_type] => utility [patent_app_number] => 10/775395 [patent_app_country] => US [patent_app_date] => 2004-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 3651 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/007/07007835.pdf [firstpage_image] =>[orig_patent_app_number] => 10775395 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/775395
Solder bonding technique for assembling a tilted chip or substrate Feb 9, 2004 Issued
Array ( [id] => 472043 [patent_doc_number] => 07225858 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-05 [patent_title] => 'Method of and apparatus for processing of semi-solid metal alloys' [patent_app_type] => utility [patent_app_number] => 10/545217 [patent_app_country] => US [patent_app_date] => 2004-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 6986 [patent_no_of_claims] => 5 [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/07/225/07225858.pdf [firstpage_image] =>[orig_patent_app_number] => 10545217 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/545217
Method of and apparatus for processing of semi-solid metal alloys Feb 2, 2004 Issued
Array ( [id] => 7435037 [patent_doc_number] => 20040194906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-07 [patent_title] => 'Die particularly for on-road vehicle wheels' [patent_app_type] => new [patent_app_number] => 10/485344 [patent_app_country] => US [patent_app_date] => 2004-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1503 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0194/20040194906.pdf [firstpage_image] =>[orig_patent_app_number] => 10485344 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/485344
Die particularly for on-road vehicle wheels Jan 27, 2004 Abandoned
Array ( [id] => 7417058 [patent_doc_number] => 20040182538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-23 [patent_title] => 'Apparatus and method of carrying out a melting and casting operation' [patent_app_type] => new [patent_app_number] => 10/765319 [patent_app_country] => US [patent_app_date] => 2004-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5209 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0182/20040182538.pdf [firstpage_image] =>[orig_patent_app_number] => 10765319 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/765319
Apparatus and method of carrying out a melting and casting operation Jan 26, 2004 Abandoned
Array ( [id] => 7372857 [patent_doc_number] => 20040177945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-16 [patent_title] => 'Casting steel strip' [patent_app_type] => new [patent_app_number] => 10/761953 [patent_app_country] => US [patent_app_date] => 2004-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5582 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20040177945.pdf [firstpage_image] =>[orig_patent_app_number] => 10761953 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/761953
Casting steel strip Jan 20, 2004 Issued
Array ( [id] => 7411500 [patent_doc_number] => 20040159419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-19 [patent_title] => 'Method of continuous casting of steel' [patent_app_type] => new [patent_app_number] => 10/484388 [patent_app_country] => US [patent_app_date] => 2004-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7750 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20040159419.pdf [firstpage_image] =>[orig_patent_app_number] => 10484388 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/484388
Method of continuous casting of steel Jan 20, 2004 Abandoned
Array ( [id] => 547059 [patent_doc_number] => 07164094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-16 [patent_title] => 'Apparatus and method for electrofriction welding' [patent_app_type] => utility [patent_app_number] => 10/754548 [patent_app_country] => US [patent_app_date] => 2004-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 26 [patent_no_of_words] => 7032 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/164/07164094.pdf [firstpage_image] =>[orig_patent_app_number] => 10754548 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/754548
Apparatus and method for electrofriction welding Jan 11, 2004 Issued
Array ( [id] => 7400184 [patent_doc_number] => 20040261970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-30 [patent_title] => 'Method and apparatus for producing components from metal and/or metal matrix composite materials' [patent_app_type] => new [patent_app_number] => 10/753651 [patent_app_country] => US [patent_app_date] => 2004-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5207 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0261/20040261970.pdf [firstpage_image] =>[orig_patent_app_number] => 10753651 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/753651
Method and apparatus for producing components from metal and/or metal matrix composite materials Jan 7, 2004 Abandoned
Array ( [id] => 7216609 [patent_doc_number] => 20040154780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Method and apparatus for casting straps onto storage battery plates' [patent_app_type] => new [patent_app_number] => 10/753053 [patent_app_country] => US [patent_app_date] => 2004-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3308 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0154/20040154780.pdf [firstpage_image] =>[orig_patent_app_number] => 10753053 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/753053
Method and apparatus for casting straps onto storage battery plates Jan 6, 2004 Abandoned
Array ( [id] => 7411491 [patent_doc_number] => 20040159417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-19 [patent_title] => 'Die forming method for forming female screw' [patent_app_type] => new [patent_app_number] => 10/751656 [patent_app_country] => US [patent_app_date] => 2004-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3583 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0159/20040159417.pdf [firstpage_image] =>[orig_patent_app_number] => 10751656 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/751656
Die forming method for forming female screw Jan 5, 2004 Issued
Array ( [id] => 7283125 [patent_doc_number] => 20040144516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Method and apparatus for thixotropic molding of semisolid alloys' [patent_app_type] => new [patent_app_number] => 10/751323 [patent_app_country] => US [patent_app_date] => 2004-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4741 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0144/20040144516.pdf [firstpage_image] =>[orig_patent_app_number] => 10751323 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/751323
Method and apparatus for thixotropic molding of semisolid alloys Jan 4, 2004 Abandoned
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