Search

Len Tran

Supervisory Patent Examiner (ID: 11119, Phone: (571)272-1184 , Office: P/3744 )

Most Active Art Unit
1725
Art Unit(s)
3744, 1725, 3752, 1722, 3763
Total Applications
860
Issued Applications
532
Pending Applications
72
Abandoned Applications
260

Applications

Application numberTitle of the applicationFiling DateStatus
08/444058 TIN AND TIN ALLOY LINERS AND SHEATHS FOR EXPLOSIVE, DEFLAGRATING AND PYROTECHNIC PRODUCTS Jun 4, 1995 Abandoned
Array ( [id] => 3835671 [patent_doc_number] => 05712435 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Ceramic cores for casting of reactive metals' [patent_app_type] => 1 [patent_app_number] => 8/456323 [patent_app_country] => US [patent_app_date] => 1995-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6313 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/712/05712435.pdf [firstpage_image] =>[orig_patent_app_number] => 456323 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/456323
Ceramic cores for casting of reactive metals May 31, 1995 Issued
Array ( [id] => 3659670 [patent_doc_number] => 05623115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-22 [patent_title] => 'Inflator for a vehicle airbag system and a pyrogen igniter used therein' [patent_app_type] => 1 [patent_app_number] => 8/453842 [patent_app_country] => US [patent_app_date] => 1995-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 17 [patent_no_of_words] => 5247 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/623/05623115.pdf [firstpage_image] =>[orig_patent_app_number] => 453842 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/453842
Inflator for a vehicle airbag system and a pyrogen igniter used therein May 29, 1995 Issued
Array ( [id] => 3593225 [patent_doc_number] => 05585595 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-17 [patent_title] => 'Device for simulating weapons firing and/or hit indication' [patent_app_type] => 1 [patent_app_number] => 8/443469 [patent_app_country] => US [patent_app_date] => 1995-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2509 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/585/05585595.pdf [firstpage_image] =>[orig_patent_app_number] => 443469 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/443469
Device for simulating weapons firing and/or hit indication May 17, 1995 Issued
08/442186 TUNGSTEN ENHANCED LINER FOR A SHAPED CHARGE May 15, 1995 Abandoned
Array ( [id] => 3480712 [patent_doc_number] => 05531164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-02 [patent_title] => 'Select fire gun assembly and electronic module for underground jet perforating using resistive blasting caps' [patent_app_type] => 1 [patent_app_number] => 8/438403 [patent_app_country] => US [patent_app_date] => 1995-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5503 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 397 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/531/05531164.pdf [firstpage_image] =>[orig_patent_app_number] => 438403 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/438403
Select fire gun assembly and electronic module for underground jet perforating using resistive blasting caps May 9, 1995 Issued
Array ( [id] => 3665522 [patent_doc_number] => 05648636 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-07-15 [patent_title] => 'Non-detonable and non-explosive explosive simulators' [patent_app_type] => 1 [patent_app_number] => 8/438003 [patent_app_country] => US [patent_app_date] => 1995-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3516 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/648/05648636.pdf [firstpage_image] =>[orig_patent_app_number] => 438003 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/438003
Non-detonable and non-explosive explosive simulators May 8, 1995 Issued
Array ( [id] => 3609872 [patent_doc_number] => 05510062 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-23 [patent_title] => 'Method of producing a nitrocellulose propellant containing a cellulosic burn rate modifier infiltrated therein' [patent_app_type] => 1 [patent_app_number] => 8/431949 [patent_app_country] => US [patent_app_date] => 1995-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2414 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/510/05510062.pdf [firstpage_image] =>[orig_patent_app_number] => 431949 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/431949
Method of producing a nitrocellulose propellant containing a cellulosic burn rate modifier infiltrated therein Apr 30, 1995 Issued
Array ( [id] => 3511448 [patent_doc_number] => 05540155 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-07-30 [patent_title] => 'Fuse and a method of manufacturing it' [patent_app_type] => 1 [patent_app_number] => 8/431346 [patent_app_country] => US [patent_app_date] => 1995-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1276 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/540/05540155.pdf [firstpage_image] =>[orig_patent_app_number] => 431346 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/431346
Fuse and a method of manufacturing it Apr 27, 1995 Issued
Array ( [id] => 3615613 [patent_doc_number] => 05565645 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-15 [patent_title] => 'High-intensity infrared decoy flare' [patent_app_type] => 1 [patent_app_number] => 8/427616 [patent_app_country] => US [patent_app_date] => 1995-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2376 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/565/05565645.pdf [firstpage_image] =>[orig_patent_app_number] => 427616 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/427616
High-intensity infrared decoy flare Apr 23, 1995 Issued
Array ( [id] => 3606577 [patent_doc_number] => 05611139 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-18 [patent_title] => 'Structure and method for compaction of powder-like materials' [patent_app_type] => 1 [patent_app_number] => 8/417919 [patent_app_country] => US [patent_app_date] => 1995-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 4557 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/611/05611139.pdf [firstpage_image] =>[orig_patent_app_number] => 417919 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/417919
Structure and method for compaction of powder-like materials Apr 5, 1995 Issued
Array ( [id] => 3636211 [patent_doc_number] => 05689797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-11-18 [patent_title] => 'Structure and method for compaction of powder-like materials' [patent_app_type] => 1 [patent_app_number] => 8/418593 [patent_app_country] => US [patent_app_date] => 1995-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 4563 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/689/05689797.pdf [firstpage_image] =>[orig_patent_app_number] => 418593 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/418593
Structure and method for compaction of powder-like materials Apr 5, 1995 Issued
08/417438 EXPLOSIVE SHAPED CHARGE LINER UTILIZING TIN-BASED ALLOY METAL Apr 4, 1995 Abandoned
Array ( [id] => 3797551 [patent_doc_number] => 05780763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-07-14 [patent_title] => 'Fracture/severance of materials' [patent_app_type] => 1 [patent_app_number] => 8/416597 [patent_app_country] => US [patent_app_date] => 1995-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 1846 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/780/05780763.pdf [firstpage_image] =>[orig_patent_app_number] => 416597 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/416597
Fracture/severance of materials Apr 3, 1995 Issued
Array ( [id] => 3554192 [patent_doc_number] => 05483895 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-16 [patent_title] => 'Detonation system for detonating explosive charges in well' [patent_app_type] => 1 [patent_app_number] => 8/415538 [patent_app_country] => US [patent_app_date] => 1995-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4576 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/483/05483895.pdf [firstpage_image] =>[orig_patent_app_number] => 415538 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/415538
Detonation system for detonating explosive charges in well Apr 2, 1995 Issued
Array ( [id] => 3513833 [patent_doc_number] => 05563364 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Anti-explosion pads and their method of use' [patent_app_type] => 1 [patent_app_number] => 8/414481 [patent_app_country] => US [patent_app_date] => 1995-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 4255 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/563/05563364.pdf [firstpage_image] =>[orig_patent_app_number] => 414481 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/414481
Anti-explosion pads and their method of use Mar 30, 1995 Issued
Array ( [id] => 3513877 [patent_doc_number] => 05563367 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-08 [patent_title] => 'Process for manufacturing a gas generator composition' [patent_app_type] => 1 [patent_app_number] => 8/409278 [patent_app_country] => US [patent_app_date] => 1995-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 8384 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/563/05563367.pdf [firstpage_image] =>[orig_patent_app_number] => 409278 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/409278
Process for manufacturing a gas generator composition Mar 22, 1995 Issued
Array ( [id] => 3509325 [patent_doc_number] => 05526751 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-18 [patent_title] => 'Flare with annular seal' [patent_app_type] => 1 [patent_app_number] => 8/400794 [patent_app_country] => US [patent_app_date] => 1995-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2412 [patent_no_of_claims] => 14 [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/05/526/05526751.pdf [firstpage_image] =>[orig_patent_app_number] => 400794 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/400794
Flare with annular seal Mar 7, 1995 Issued
Array ( [id] => 3599614 [patent_doc_number] => 05509357 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-23 [patent_title] => 'Dual operating mode warhead' [patent_app_type] => 1 [patent_app_number] => 8/399114 [patent_app_country] => US [patent_app_date] => 1995-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 3701 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/509/05509357.pdf [firstpage_image] =>[orig_patent_app_number] => 399114 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/399114
Dual operating mode warhead Mar 2, 1995 Issued
Array ( [id] => 3489483 [patent_doc_number] => 05513570 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-05-07 [patent_title] => 'Pressure actuated pipe cutting tool' [patent_app_type] => 1 [patent_app_number] => 8/391131 [patent_app_country] => US [patent_app_date] => 1995-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2983 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/513/05513570.pdf [firstpage_image] =>[orig_patent_app_number] => 391131 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/391131
Pressure actuated pipe cutting tool Feb 20, 1995 Issued
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