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
Array ( [id] => 3434792 [patent_doc_number] => 05386776 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-07 [patent_title] => 'Bore mitigants for solid propellant rocket motors' [patent_app_type] => 1 [patent_app_number] => 8/022180 [patent_app_country] => US [patent_app_date] => 1993-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4391 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/386/05386776.pdf [firstpage_image] =>[orig_patent_app_number] => 022180 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/022180
Bore mitigants for solid propellant rocket motors Feb 23, 1993 Issued
Array ( [id] => 3087160 [patent_doc_number] => 05417161 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-23 [patent_title] => 'Fabrication of molded block of dilute high explosive foamed polyurethane' [patent_app_type] => 1 [patent_app_number] => 8/021393 [patent_app_country] => US [patent_app_date] => 1993-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3798 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/417/05417161.pdf [firstpage_image] =>[orig_patent_app_number] => 021393 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/021393
Fabrication of molded block of dilute high explosive foamed polyurethane Feb 22, 1993 Issued
Array ( [id] => 3019131 [patent_doc_number] => 05375528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-12-27 [patent_title] => 'Container for a large spherical explosive charge' [patent_app_type] => 1 [patent_app_number] => 8/019371 [patent_app_country] => US [patent_app_date] => 1993-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 6865 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/375/05375528.pdf [firstpage_image] =>[orig_patent_app_number] => 019371 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/019371
Container for a large spherical explosive charge Feb 17, 1993 Issued
Array ( [id] => 3396868 [patent_doc_number] => 05442989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-08-22 [patent_title] => 'Frangible armor piercing incendiary projectile' [patent_app_type] => 1 [patent_app_number] => 8/018085 [patent_app_country] => US [patent_app_date] => 1993-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 9 [patent_no_of_words] => 4739 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/442/05442989.pdf [firstpage_image] =>[orig_patent_app_number] => 018085 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/018085
Frangible armor piercing incendiary projectile Feb 15, 1993 Issued
Array ( [id] => 3041865 [patent_doc_number] => 05349908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-27 [patent_title] => 'Explosively forged elongated penetrator' [patent_app_type] => 1 [patent_app_number] => 8/011996 [patent_app_country] => US [patent_app_date] => 1993-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 3922 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/349/05349908.pdf [firstpage_image] =>[orig_patent_app_number] => 011996 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/011996
Explosively forged elongated penetrator Jan 31, 1993 Issued
Array ( [id] => 3059866 [patent_doc_number] => 05320043 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-14 [patent_title] => 'Low-vulnerability explosive munitions element including a multicomposition explosive charge, and method for obtaining a blast and/or bubble effect' [patent_app_type] => 1 [patent_app_number] => 8/009476 [patent_app_country] => US [patent_app_date] => 1993-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4459 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/320/05320043.pdf [firstpage_image] =>[orig_patent_app_number] => 009476 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/009476
Low-vulnerability explosive munitions element including a multicomposition explosive charge, and method for obtaining a blast and/or bubble effect Jan 28, 1993 Issued
08/006587 METHOD OF ASSEMBLY OF COMPACTED FIBERS AND EXPLOSIVE CHARGE FOR EFFECTIVE DISSEMINATION Jan 20, 1993 Abandoned
Array ( [id] => 3477177 [patent_doc_number] => 05456848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-10-10 [patent_title] => 'High temperature lubricants containing cesium, robidium, and lithium salts' [patent_app_type] => 1 [patent_app_number] => 8/005700 [patent_app_country] => US [patent_app_date] => 1993-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1357 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/456/05456848.pdf [firstpage_image] =>[orig_patent_app_number] => 005700 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/005700
High temperature lubricants containing cesium, robidium, and lithium salts Jan 18, 1993 Issued
Array ( [id] => 4041281 [patent_doc_number] => 05862758 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-01-26 [patent_title] => 'Insert and twist method and apparatus for securing a shaped charge to a loading tube of a perforating gun' [patent_app_type] => 1 [patent_app_number] => 8/004024 [patent_app_country] => US [patent_app_date] => 1993-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 18 [patent_no_of_words] => 4068 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/862/05862758.pdf [firstpage_image] =>[orig_patent_app_number] => 004024 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/004024
Insert and twist method and apparatus for securing a shaped charge to a loading tube of a perforating gun Jan 14, 1993 Issued
Array ( [id] => 3055438 [patent_doc_number] => 05359935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-01 [patent_title] => 'Detonator device and method for making same' [patent_app_type] => 1 [patent_app_number] => 8/016591 [patent_app_country] => US [patent_app_date] => 1993-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4330 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/359/05359935.pdf [firstpage_image] =>[orig_patent_app_number] => 016591 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/016591
Detonator device and method for making same Jan 12, 1993 Issued
Array ( [id] => 3434815 [patent_doc_number] => 05386778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-07 [patent_title] => 'Process for visualization of a blast wave' [patent_app_type] => 1 [patent_app_number] => 8/003063 [patent_app_country] => US [patent_app_date] => 1993-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3071 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/386/05386778.pdf [firstpage_image] =>[orig_patent_app_number] => 003063 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/003063
Process for visualization of a blast wave Jan 10, 1993 Issued
Array ( [id] => 3127687 [patent_doc_number] => 05384571 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-24 [patent_title] => 'Method of forming relief surfaces' [patent_app_type] => 1 [patent_app_number] => 8/002580 [patent_app_country] => US [patent_app_date] => 1993-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 5971 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/384/05384571.pdf [firstpage_image] =>[orig_patent_app_number] => 002580 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/002580
Method of forming relief surfaces Jan 10, 1993 Issued
Array ( [id] => 3420051 [patent_doc_number] => 05389450 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-02-14 [patent_title] => 'Composite materials and methods for making the same' [patent_app_type] => 1 [patent_app_number] => 8/003202 [patent_app_country] => US [patent_app_date] => 1993-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 28 [patent_no_of_words] => 31438 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/389/05389450.pdf [firstpage_image] =>[orig_patent_app_number] => 003202 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/003202
Composite materials and methods for making the same Jan 10, 1993 Issued
Array ( [id] => 3444715 [patent_doc_number] => 05430229 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-04 [patent_title] => 'Chemical process for disposal of rocket propellant containing nitrate ester' [patent_app_type] => 1 [patent_app_number] => 7/998509 [patent_app_country] => US [patent_app_date] => 1992-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3933 [patent_no_of_claims] => 12 [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/05/430/05430229.pdf [firstpage_image] =>[orig_patent_app_number] => 998509 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/998509
Chemical process for disposal of rocket propellant containing nitrate ester Dec 29, 1992 Issued
Array ( [id] => 2924677 [patent_doc_number] => 05253587 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Separation and aerodynamic braking device for the propulsion stage of a missile' [patent_app_type] => 1 [patent_app_number] => 7/996779 [patent_app_country] => US [patent_app_date] => 1992-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2211 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/253/05253587.pdf [firstpage_image] =>[orig_patent_app_number] => 996779 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/996779
Separation and aerodynamic braking device for the propulsion stage of a missile Dec 22, 1992 Issued
Array ( [id] => 2993666 [patent_doc_number] => 05307743 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-03 [patent_title] => 'Apparatus for deslagging a cyclone furnace' [patent_app_type] => 1 [patent_app_number] => 7/995094 [patent_app_country] => US [patent_app_date] => 1992-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2903 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/307/05307743.pdf [firstpage_image] =>[orig_patent_app_number] => 995094 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/995094
Apparatus for deslagging a cyclone furnace Dec 21, 1992 Issued
Array ( [id] => 3478299 [patent_doc_number] => 05405654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-04-11 [patent_title] => 'Self-cleaning chemical vapor deposition apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/989223 [patent_app_country] => US [patent_app_date] => 1992-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4179 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/405/05405654.pdf [firstpage_image] =>[orig_patent_app_number] => 989223 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/989223
Self-cleaning chemical vapor deposition apparatus and method Dec 10, 1992 Issued
07/986228 PROPELLANTS USEFUL IN ELECTROTHERMAL-CHEMICAL GUNS Dec 6, 1992 Abandoned
Array ( [id] => 2957624 [patent_doc_number] => 05251531 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-12 [patent_title] => 'Method and apparatus to prepare monobasic propellant charge powders with alcohol and ether as solvents' [patent_app_type] => 1 [patent_app_number] => 7/983208 [patent_app_country] => US [patent_app_date] => 1992-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2820 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/251/05251531.pdf [firstpage_image] =>[orig_patent_app_number] => 983208 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/983208
Method and apparatus to prepare monobasic propellant charge powders with alcohol and ether as solvents Nov 29, 1992 Issued
Array ( [id] => 2964469 [patent_doc_number] => 05249528 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-05 [patent_title] => 'Fireworks support kit' [patent_app_type] => 1 [patent_app_number] => 7/981092 [patent_app_country] => US [patent_app_date] => 1992-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2071 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/249/05249528.pdf [firstpage_image] =>[orig_patent_app_number] => 981092 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/981092
Fireworks support kit Nov 23, 1992 Issued
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