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] => 1545995 [patent_doc_number] => 06345577 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-12 [patent_title] => 'Energetic deterrent coating for gun propellant' [patent_app_type] => B1 [patent_app_number] => 09/670338 [patent_app_country] => US [patent_app_date] => 2000-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2179 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/345/06345577.pdf [firstpage_image] =>[orig_patent_app_number] => 09670338 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/670338
Energetic deterrent coating for gun propellant Sep 26, 2000 Issued
Array ( [id] => 1462666 [patent_doc_number] => 06457415 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-01 [patent_title] => 'Fireworks stand' [patent_app_type] => B1 [patent_app_number] => 09/669761 [patent_app_country] => US [patent_app_date] => 2000-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1965 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/457/06457415.pdf [firstpage_image] =>[orig_patent_app_number] => 09669761 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/669761
Fireworks stand Sep 25, 2000 Issued
Array ( [id] => 1269628 [patent_doc_number] => 06644200 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-11 [patent_title] => 'Method for bioremediating undetonated explosive device' [patent_app_type] => B1 [patent_app_number] => 09/666073 [patent_app_country] => US [patent_app_date] => 2000-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 15150 [patent_no_of_claims] => 96 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/644/06644200.pdf [firstpage_image] =>[orig_patent_app_number] => 09666073 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/666073
Method for bioremediating undetonated explosive device Sep 18, 2000 Issued
Array ( [id] => 1262887 [patent_doc_number] => 06660112 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-12-09 [patent_title] => 'Method for manufacturing explosive device having self-remediating capacity' [patent_app_type] => B1 [patent_app_number] => 09/666020 [patent_app_country] => US [patent_app_date] => 2000-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 15156 [patent_no_of_claims] => 91 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/660/06660112.pdf [firstpage_image] =>[orig_patent_app_number] => 09666020 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/666020
Method for manufacturing explosive device having self-remediating capacity Sep 18, 2000 Issued
Array ( [id] => 1401663 [patent_doc_number] => 06505559 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-14 [patent_title] => 'Well bore cutting and perforating devices and methods of manufacture' [patent_app_type] => B1 [patent_app_number] => 09/661359 [patent_app_country] => US [patent_app_date] => 2000-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2605 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/505/06505559.pdf [firstpage_image] =>[orig_patent_app_number] => 09661359 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/661359
Well bore cutting and perforating devices and methods of manufacture Sep 13, 2000 Issued
Array ( [id] => 1398985 [patent_doc_number] => 06508177 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-01-21 [patent_title] => 'Explosives with embedded bodies' [patent_app_type] => B1 [patent_app_number] => 09/659243 [patent_app_country] => US [patent_app_date] => 2000-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 6377 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/508/06508177.pdf [firstpage_image] =>[orig_patent_app_number] => 09659243 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/659243
Explosives with embedded bodies Sep 10, 2000 Issued
Array ( [id] => 4264139 [patent_doc_number] => 06322649 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-11-27 [patent_title] => 'Process for providing gradual deployment of an airbag and a pyrotechnic charge for its implementation' [patent_app_type] => 1 [patent_app_number] => 9/652019 [patent_app_country] => US [patent_app_date] => 2000-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3506 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/322/06322649.pdf [firstpage_image] =>[orig_patent_app_number] => 652019 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/652019
Process for providing gradual deployment of an airbag and a pyrotechnic charge for its implementation Aug 30, 2000 Issued
Array ( [id] => 1575990 [patent_doc_number] => 06422148 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Impermeable and composite perforating gun assembly components' [patent_app_type] => B1 [patent_app_number] => 09/633163 [patent_app_country] => US [patent_app_date] => 2000-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4150 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/422/06422148.pdf [firstpage_image] =>[orig_patent_app_number] => 09633163 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/633163
Impermeable and composite perforating gun assembly components Aug 3, 2000 Issued
Array ( [id] => 1263799 [patent_doc_number] => 06651564 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-25 [patent_title] => 'High energy explosive for seismic methods' [patent_app_type] => B1 [patent_app_number] => 09/617879 [patent_app_country] => US [patent_app_date] => 2000-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6718 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/651/06651564.pdf [firstpage_image] =>[orig_patent_app_number] => 09617879 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/617879
High energy explosive for seismic methods Jul 16, 2000 Issued
Array ( [id] => 1543574 [patent_doc_number] => 06397719 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-06-04 [patent_title] => 'Method for loading slurry explosives in blast holes or cartridges' [patent_app_type] => B1 [patent_app_number] => 09/508336 [patent_app_country] => US [patent_app_date] => 2000-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2424 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/397/06397719.pdf [firstpage_image] =>[orig_patent_app_number] => 09508336 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/508336
Method for loading slurry explosives in blast holes or cartridges Jun 7, 2000 Issued
Array ( [id] => 1234727 [patent_doc_number] => 06684791 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-02-03 [patent_title] => 'Shaped charge detonation system and method' [patent_app_type] => B1 [patent_app_number] => 09/589132 [patent_app_country] => US [patent_app_date] => 2000-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 9607 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/684/06684791.pdf [firstpage_image] =>[orig_patent_app_number] => 09589132 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/589132
Shaped charge detonation system and method Jun 7, 2000 Issued
Array ( [id] => 1501981 [patent_doc_number] => 06439121 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-27 [patent_title] => 'Perforating charge carrier and method of assembly for same' [patent_app_type] => B1 [patent_app_number] => 09/589954 [patent_app_country] => US [patent_app_date] => 2000-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 16 [patent_no_of_words] => 4284 [patent_no_of_claims] => 70 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/439/06439121.pdf [firstpage_image] =>[orig_patent_app_number] => 09589954 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/589954
Perforating charge carrier and method of assembly for same Jun 7, 2000 Issued
Array ( [id] => 1475131 [patent_doc_number] => 06343552 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-02-05 [patent_title] => 'Solvent application system' [patent_app_type] => B1 [patent_app_number] => 09/587773 [patent_app_country] => US [patent_app_date] => 2000-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3338 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/343/06343552.pdf [firstpage_image] =>[orig_patent_app_number] => 09587773 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/587773
Solvent application system Jun 5, 2000 Issued
Array ( [id] => 1557329 [patent_doc_number] => 06360666 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Alignment fixture' [patent_app_type] => B1 [patent_app_number] => 09/587962 [patent_app_country] => US [patent_app_date] => 2000-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3847 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/360/06360666.pdf [firstpage_image] =>[orig_patent_app_number] => 09587962 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/587962
Alignment fixture Jun 5, 2000 Issued
Array ( [id] => 1575989 [patent_doc_number] => 06422147 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-07-23 [patent_title] => 'Sequential detonation of explosive charges' [patent_app_type] => B1 [patent_app_number] => 09/508153 [patent_app_country] => US [patent_app_date] => 2000-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4310 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/422/06422147.pdf [firstpage_image] =>[orig_patent_app_number] => 09508153 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/508153
Sequential detonation of explosive charges May 9, 2000 Issued
Array ( [id] => 1266779 [patent_doc_number] => 06647888 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2003-11-18 [patent_title] => 'Oxidizer package for propellant system for rockets' [patent_app_type] => B1 [patent_app_number] => 09/565509 [patent_app_country] => US [patent_app_date] => 2000-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 7189 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/647/06647888.pdf [firstpage_image] =>[orig_patent_app_number] => 09565509 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/565509
Oxidizer package for propellant system for rockets May 4, 2000 Issued
Array ( [id] => 1448576 [patent_doc_number] => 06460462 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-08 [patent_title] => 'Method of blasting of rock mass' [patent_app_type] => B1 [patent_app_number] => 09/557228 [patent_app_country] => US [patent_app_date] => 2000-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5001 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/460/06460462.pdf [firstpage_image] =>[orig_patent_app_number] => 09557228 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/557228
Method of blasting of rock mass Apr 23, 2000 Issued
Array ( [id] => 1439448 [patent_doc_number] => 06334394 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-01-01 [patent_title] => 'Propellant charge arrangement for barrel-weapons or ballistic drives' [patent_app_type] => B1 [patent_app_number] => 09/547016 [patent_app_country] => US [patent_app_date] => 2000-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 2539 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/334/06334394.pdf [firstpage_image] =>[orig_patent_app_number] => 09547016 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/547016
Propellant charge arrangement for barrel-weapons or ballistic drives Apr 10, 2000 Issued
Array ( [id] => 1521884 [patent_doc_number] => 06352029 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-05 [patent_title] => 'Thermally actuated release mechanism' [patent_app_type] => B1 [patent_app_number] => 09/538501 [patent_app_country] => US [patent_app_date] => 2000-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3329 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/352/06352029.pdf [firstpage_image] =>[orig_patent_app_number] => 09538501 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/538501
Thermally actuated release mechanism Mar 29, 2000 Issued
Array ( [id] => 7641912 [patent_doc_number] => 06393990 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-05-28 [patent_title] => 'Firework launching system and method' [patent_app_type] => B1 [patent_app_number] => 09/535282 [patent_app_country] => US [patent_app_date] => 2000-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 3396 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 6 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/393/06393990.pdf [firstpage_image] =>[orig_patent_app_number] => 09535282 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/535282
Firework launching system and method Mar 23, 2000 Issued
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