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] => 13481191 [patent_doc_number] => 20180292138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-11 [patent_title] => MANIFOLD FOR A HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 15/933558 [patent_app_country] => US [patent_app_date] => 2018-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4377 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15933558 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/933558
MANIFOLD FOR A HEAT EXCHANGER Mar 22, 2018 Abandoned
Array ( [id] => 16362118 [patent_doc_number] => 20200318869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => COOLING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/305903 [patent_app_country] => US [patent_app_date] => 2017-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16305903 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/305903
COOLING SYSTEM May 29, 2017 Abandoned
Array ( [id] => 12052305 [patent_doc_number] => 20170328649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-16 [patent_title] => 'Rotary Heat Exchanger Device' [patent_app_type] => utility [patent_app_number] => 15/526749 [patent_app_country] => US [patent_app_date] => 2015-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1335 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15526749 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/526749
Rotary Heat Exchanger Device Nov 10, 2015 Abandoned
Array ( [id] => 10806010 [patent_doc_number] => 20160152167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-02 [patent_title] => 'Instant Hot/Cold Seat' [patent_app_type] => utility [patent_app_number] => 14/931877 [patent_app_country] => US [patent_app_date] => 2015-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1647 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14931877 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/931877
Instant Hot/Cold Seat Nov 3, 2015 Abandoned
Array ( [id] => 11995046 [patent_doc_number] => 20170299201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'INDOOR UNIT FOR AIR CONDITIONER' [patent_app_type] => utility [patent_app_number] => 15/518012 [patent_app_country] => US [patent_app_date] => 2014-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5475 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15518012 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/518012
INDOOR UNIT FOR AIR CONDITIONER Nov 27, 2014 Abandoned
Array ( [id] => 9808589 [patent_doc_number] => 20150020534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'METHOD FOR RECYCLING ENERGY FROM COMPRESSOR OUTLET, AND AIR CONDITIONER' [patent_app_type] => utility [patent_app_number] => 14/470961 [patent_app_country] => US [patent_app_date] => 2014-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2382 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14470961 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/470961
METHOD FOR RECYCLING ENERGY FROM COMPRESSOR OUTLET, AND AIR CONDITIONER Aug 27, 2014 Abandoned
Array ( [id] => 10730668 [patent_doc_number] => 20160076818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-17 [patent_title] => 'Fluid cooling pad system utilizes compressed air as a cooling source' [patent_app_type] => utility [patent_app_number] => 14/469819 [patent_app_country] => US [patent_app_date] => 2014-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1888 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14469819 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/469819
Fluid cooling pad system utilizes compressed air as a cooling source Aug 26, 2014 Abandoned
Array ( [id] => 10935362 [patent_doc_number] => 20140338383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-20 [patent_title] => 'LIQUID GALLEY REFRIGERATION SYSTEM FOR AIRCRAFT' [patent_app_type] => utility [patent_app_number] => 14/451762 [patent_app_country] => US [patent_app_date] => 2014-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4266 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14451762 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/451762
LIQUID GALLEY REFRIGERATION SYSTEM FOR AIRCRAFT Aug 4, 2014 Abandoned
Array ( [id] => 10759838 [patent_doc_number] => 20160105991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-14 [patent_title] => 'THERMAL INTERPOSER SUITABLE FOR ELECTRONIC MODULES' [patent_app_type] => utility [patent_app_number] => 14/418151 [patent_app_country] => US [patent_app_date] => 2014-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3160 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14418151 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/418151
THERMAL INTERPOSER SUITABLE FOR ELECTRONIC MODULES Jun 24, 2014 Abandoned
Array ( [id] => 10694781 [patent_doc_number] => 20160040927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-11 [patent_title] => 'INTEGRALLY-GEARED COMPRESSORS FOR PRECOOLING IN LNG APPLICATIONS' [patent_app_type] => utility [patent_app_number] => 14/782069 [patent_app_country] => US [patent_app_date] => 2014-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6893 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14782069 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/782069
INTEGRALLY-GEARED COMPRESSORS FOR PRECOOLING IN LNG APPLICATIONS Apr 2, 2014 Abandoned
Array ( [id] => 10492541 [patent_doc_number] => 20150377563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-31 [patent_title] => 'TUBE STRUCTURES FOR HEAT EXCHANGER' [patent_app_type] => utility [patent_app_number] => 14/769503 [patent_app_country] => US [patent_app_date] => 2014-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2800 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14769503 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/769503
TUBE STRUCTURES FOR HEAT EXCHANGER Feb 9, 2014 Abandoned
Array ( [id] => 10198391 [patent_doc_number] => 20150083378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-26 [patent_title] => 'SYSTEM AND METHOD FOR DISTRIBUTING REFRIGERANT TO A PARALLEL FLOW HEAT EXCHANGER USING REFRIGERANT INJECTORS' [patent_app_type] => utility [patent_app_number] => 14/160940 [patent_app_country] => US [patent_app_date] => 2014-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1955 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14160940 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/160940
SYSTEM AND METHOD FOR DISTRIBUTING REFRIGERANT TO A PARALLEL FLOW HEAT EXCHANGER USING REFRIGERANT INJECTORS Jan 21, 2014 Abandoned
Array ( [id] => 9612717 [patent_doc_number] => 20140202575 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'METHOD OF RUNNING A CONDUIT IN AN INCINERATION PLANT AND DEVICE WITH SUCH A CONDUIT' [patent_app_type] => utility [patent_app_number] => 14/159646 [patent_app_country] => US [patent_app_date] => 2014-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1401 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14159646 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/159646
METHOD OF RUNNING A CONDUIT IN AN INCINERATION PLANT AND DEVICE WITH SUCH A CONDUIT Jan 20, 2014 Abandoned
Array ( [id] => 9538832 [patent_doc_number] => 20140163479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'SYRINGE ASSIST DEVICE' [patent_app_type] => utility [patent_app_number] => 14/100217 [patent_app_country] => US [patent_app_date] => 2013-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2464 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14100217 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/100217
Syringe assist device Dec 8, 2013 Issued
Array ( [id] => 9209284 [patent_doc_number] => 20140008461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'FAN WITH ATOMIZATION NOZZLES' [patent_app_type] => utility [patent_app_number] => 14/019536 [patent_app_country] => US [patent_app_date] => 2013-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1095 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14019536 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/019536
FAN WITH ATOMIZATION NOZZLES Sep 4, 2013 Abandoned
Array ( [id] => 9136367 [patent_doc_number] => 20130297083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'SYSTEM AND METHOD FOR CONTROLLING OPERATION OF AN IRRIGATION SYSTEM END GUN' [patent_app_type] => utility [patent_app_number] => 13/937955 [patent_app_country] => US [patent_app_date] => 2013-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4642 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13937955 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/937955
SYSTEM AND METHOD FOR CONTROLLING OPERATION OF AN IRRIGATION SYSTEM END GUN Jul 8, 2013 Abandoned
Array ( [id] => 9487643 [patent_doc_number] => 20140138049 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-22 [patent_title] => 'VEHICLE WITH AIR CONDITIONER' [patent_app_type] => utility [patent_app_number] => 13/892285 [patent_app_country] => US [patent_app_date] => 2013-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2888 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13892285 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/892285
VEHICLE WITH AIR CONDITIONER May 11, 2013 Abandoned
Array ( [id] => 8999889 [patent_doc_number] => 20130221013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-29 [patent_title] => 'THERMAL RECEPTACLE WITH PHASE CHANGE MATERIAL' [patent_app_type] => utility [patent_app_number] => 13/835171 [patent_app_country] => US [patent_app_date] => 2013-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12409 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13835171 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/835171
THERMAL RECEPTACLE WITH PHASE CHANGE MATERIAL Mar 14, 2013 Abandoned
Array ( [id] => 9696491 [patent_doc_number] => 20140246176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-04 [patent_title] => 'HEAT DISSIPATION STRUCTURE' [patent_app_type] => utility [patent_app_number] => 13/784743 [patent_app_country] => US [patent_app_date] => 2013-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1730 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13784743 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/784743
HEAT DISSIPATION STRUCTURE Mar 3, 2013 Abandoned
Array ( [id] => 8973000 [patent_doc_number] => 20130206430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-08-15 [patent_title] => 'FIRE FIGHTING BUCKET FOR AIRCRAFT' [patent_app_type] => utility [patent_app_number] => 13/764288 [patent_app_country] => US [patent_app_date] => 2013-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4801 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13764288 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/764288
FIRE FIGHTING BUCKET FOR AIRCRAFT Feb 10, 2013 Abandoned
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