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] => 3067416 [patent_doc_number] => 05310989 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-10 [patent_title] => 'Method for laser-assisted etching of III-V and II-VI semiconductor compounds using chlorofluorocarbon ambients' [patent_app_type] => 1 [patent_app_number] => 7/831830 [patent_app_country] => US [patent_app_date] => 1992-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 27 [patent_no_of_words] => 9461 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/310/05310989.pdf [firstpage_image] =>[orig_patent_app_number] => 831830 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/831830
Method for laser-assisted etching of III-V and II-VI semiconductor compounds using chlorofluorocarbon ambients Jan 20, 1992 Issued
Array ( [id] => 2988991 [patent_doc_number] => 05366689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-22 [patent_title] => 'Hot-isostatic press with hinge-like movement to accomodate expansion' [patent_app_type] => 1 [patent_app_number] => 7/822947 [patent_app_country] => US [patent_app_date] => 1992-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1283 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/366/05366689.pdf [firstpage_image] =>[orig_patent_app_number] => 822947 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/822947
Hot-isostatic press with hinge-like movement to accomodate expansion Jan 20, 1992 Issued
Array ( [id] => 2948072 [patent_doc_number] => 05242631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-09-07 [patent_title] => 'Method for coating nuclear fuel pellets' [patent_app_type] => 1 [patent_app_number] => 7/819902 [patent_app_country] => US [patent_app_date] => 1992-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1651 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/242/05242631.pdf [firstpage_image] =>[orig_patent_app_number] => 819902 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/819902
Method for coating nuclear fuel pellets Jan 12, 1992 Issued
Array ( [id] => 2995281 [patent_doc_number] => 05339741 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-23 [patent_title] => 'Precision fireworks display system having a decreased environmental impact' [patent_app_type] => 1 [patent_app_number] => 7/817591 [patent_app_country] => US [patent_app_date] => 1992-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 27 [patent_no_of_words] => 10043 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/339/05339741.pdf [firstpage_image] =>[orig_patent_app_number] => 817591 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/817591
Precision fireworks display system having a decreased environmental impact Jan 6, 1992 Issued
Array ( [id] => 3046577 [patent_doc_number] => 05324544 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-28 [patent_title] => 'Inhibiting coke formation by coating gas turbine elements with alumina-silica sol gel' [patent_app_type] => 1 [patent_app_number] => 7/811185 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6021 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/324/05324544.pdf [firstpage_image] =>[orig_patent_app_number] => 811185 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811185
Inhibiting coke formation by coating gas turbine elements with alumina-silica sol gel Dec 19, 1991 Issued
Array ( [id] => 3069027 [patent_doc_number] => 05336560 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-08-09 [patent_title] => 'Gas turbine elements bearing alumina-silica coating to inhibit coking' [patent_app_type] => 1 [patent_app_number] => 7/811194 [patent_app_country] => US [patent_app_date] => 1991-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5999 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/336/05336560.pdf [firstpage_image] =>[orig_patent_app_number] => 811194 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/811194
Gas turbine elements bearing alumina-silica coating to inhibit coking Dec 19, 1991 Issued
Array ( [id] => 4117743 [patent_doc_number] => 06146075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Coating of holes on hypersonic vehicles' [patent_app_type] => 1 [patent_app_number] => 7/808502 [patent_app_country] => US [patent_app_date] => 1991-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1519 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/146/06146075.pdf [firstpage_image] =>[orig_patent_app_number] => 808502 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/808502
Coating of holes on hypersonic vehicles Dec 16, 1991 Issued
Array ( [id] => 2985625 [patent_doc_number] => 05266532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-30 [patent_title] => 'Method for laser-assisted silicon etching using halocarbon ambients' [patent_app_type] => 1 [patent_app_number] => 7/807015 [patent_app_country] => US [patent_app_date] => 1991-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 27 [patent_no_of_words] => 8835 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/266/05266532.pdf [firstpage_image] =>[orig_patent_app_number] => 807015 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/807015
Method for laser-assisted silicon etching using halocarbon ambients Dec 11, 1991 Issued
Array ( [id] => 2947669 [patent_doc_number] => 05230745 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-27 [patent_title] => 'Thermocouple housing' [patent_app_type] => 1 [patent_app_number] => 7/802880 [patent_app_country] => US [patent_app_date] => 1991-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2019 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/230/05230745.pdf [firstpage_image] =>[orig_patent_app_number] => 802880 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/802880
Thermocouple housing Dec 5, 1991 Issued
Array ( [id] => 3002289 [patent_doc_number] => 05330702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-07-19 [patent_title] => 'Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece' [patent_app_type] => 1 [patent_app_number] => 7/777408 [patent_app_country] => US [patent_app_date] => 1991-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2578 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/330/05330702.pdf [firstpage_image] =>[orig_patent_app_number] => 777408 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/777408
Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece Dec 1, 1991 Issued
Array ( [id] => 3091633 [patent_doc_number] => 05298337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Perforated plates for cryogenic regenerators and method of fabrication' [patent_app_type] => 1 [patent_app_number] => 7/800220 [patent_app_country] => US [patent_app_date] => 1991-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 4312 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/298/05298337.pdf [firstpage_image] =>[orig_patent_app_number] => 800220 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/800220
Perforated plates for cryogenic regenerators and method of fabrication Nov 26, 1991 Issued
Array ( [id] => 2764385 [patent_doc_number] => 05140907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-25 [patent_title] => 'Method for surface mining with dragline and blast casting' [patent_app_type] => 1 [patent_app_number] => 7/797604 [patent_app_country] => US [patent_app_date] => 1991-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1869 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/140/05140907.pdf [firstpage_image] =>[orig_patent_app_number] => 797604 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/797604
Method for surface mining with dragline and blast casting Nov 24, 1991 Issued
Array ( [id] => 2976621 [patent_doc_number] => 05194689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-16 [patent_title] => 'Earth excavation using blast casting and excavating apparatus' [patent_app_type] => 1 [patent_app_number] => 7/797603 [patent_app_country] => US [patent_app_date] => 1991-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3264 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/194/05194689.pdf [firstpage_image] =>[orig_patent_app_number] => 797603 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/797603
Earth excavation using blast casting and excavating apparatus Nov 24, 1991 Issued
Array ( [id] => 3091534 [patent_doc_number] => 05298332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Glass-ceramic coatings for titanium-based metal surfaces' [patent_app_type] => 1 [patent_app_number] => 7/792646 [patent_app_country] => US [patent_app_date] => 1991-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4269 [patent_no_of_claims] => 5 [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/05/298/05298332.pdf [firstpage_image] =>[orig_patent_app_number] => 792646 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/792646
Glass-ceramic coatings for titanium-based metal surfaces Nov 14, 1991 Issued
Array ( [id] => 3082100 [patent_doc_number] => 05318217 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-06-07 [patent_title] => 'Method of enhancing bond joint structural integrity of spray cast article' [patent_app_type] => 1 [patent_app_number] => 7/794320 [patent_app_country] => US [patent_app_date] => 1991-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 10298 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/318/05318217.pdf [firstpage_image] =>[orig_patent_app_number] => 794320 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/794320
Method of enhancing bond joint structural integrity of spray cast article Nov 13, 1991 Issued
Array ( [id] => 2869600 [patent_doc_number] => H0001126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-05 [patent_title] => 'Treatment of sodium nitrite-containing boiler wastewater' [patent_app_type] => 7 [patent_app_number] => 7/790850 [patent_app_country] => US [patent_app_date] => 1991-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2614 [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/H0/001/H0001126.pdf [firstpage_image] =>[orig_patent_app_number] => 790850 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/790850
Treatment of sodium nitrite-containing boiler wastewater Nov 11, 1991 Issued
Array ( [id] => 2900845 [patent_doc_number] => 05233927 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-10 [patent_title] => 'Arrangement in a smoke camouflage system' [patent_app_type] => 1 [patent_app_number] => 7/784439 [patent_app_country] => US [patent_app_date] => 1991-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5655 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/233/05233927.pdf [firstpage_image] =>[orig_patent_app_number] => 784439 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/784439
Arrangement in a smoke camouflage system Nov 7, 1991 Issued
Array ( [id] => 2987358 [patent_doc_number] => 05353708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-10-11 [patent_title] => 'Method for production of ultradispersed diamond' [patent_app_type] => 1 [patent_app_number] => 7/790635 [patent_app_country] => US [patent_app_date] => 1991-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 999 [patent_no_of_claims] => 5 [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/05/353/05353708.pdf [firstpage_image] =>[orig_patent_app_number] => 790635 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/790635
Method for production of ultradispersed diamond Nov 7, 1991 Issued
Array ( [id] => 3041567 [patent_doc_number] => 05349892 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-09-27 [patent_title] => 'Propellant stick kerfing apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/788408 [patent_app_country] => US [patent_app_date] => 1991-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3885 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/349/05349892.pdf [firstpage_image] =>[orig_patent_app_number] => 788408 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/788408
Propellant stick kerfing apparatus and method Nov 5, 1991 Issued
Array ( [id] => 2935759 [patent_doc_number] => 05254178 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-10-19 [patent_title] => 'Thermoelectric transducer apparatus comprising N- and P-type semiconductors and having electronic control capabilities' [patent_app_type] => 1 [patent_app_number] => 7/784230 [patent_app_country] => US [patent_app_date] => 1991-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 25 [patent_no_of_words] => 6412 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/254/05254178.pdf [firstpage_image] =>[orig_patent_app_number] => 784230 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/784230
Thermoelectric transducer apparatus comprising N- and P-type semiconductors and having electronic control capabilities Oct 29, 1991 Issued
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