Search

Len Tran

Supervisory Patent Examiner (ID: 17268, Phone: (571)272-1184 , Office: P/3744 )

Most Active Art Unit
1725
Art Unit(s)
3752, 1725, 3763, 1722, 3744
Total Applications
874
Issued Applications
534
Pending Applications
79
Abandoned Applications
262

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20750958 [patent_doc_number] => 20260153182 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-04 [patent_title] => SEALANT INJECTION UNIT FOR DUCT SEALING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/968022 [patent_app_country] => US [patent_app_date] => 2024-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18968022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/968022
SEALANT INJECTION UNIT FOR DUCT SEALING SYSTEM Dec 3, 2024 Pending
Array ( [id] => 20005060 [patent_doc_number] => 20250143282 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Configurable Dual Boom Nozzle with Orifice Control [patent_app_type] => utility [patent_app_number] => 18/938530 [patent_app_country] => US [patent_app_date] => 2024-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18938530 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/938530
Configurable Dual Boom Nozzle with Orifice Control Nov 5, 2024 Pending
Array ( [id] => 20015143 [patent_doc_number] => 20250153365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => DELIVERING FOAM CONCENTRATE VIA A TANK THAT MOUNTS TO A VEHICULAR ROBOT [patent_app_type] => utility [patent_app_number] => 18/931941 [patent_app_country] => US [patent_app_date] => 2024-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2264 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18931941 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/931941
DELIVERING FOAM CONCENTRATE VIA A TANK THAT MOUNTS TO A VEHICULAR ROBOT Oct 29, 2024 Pending
Array ( [id] => 20014977 [patent_doc_number] => 20250153199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => PRESSURIZED SHOWERHEAD HAVING AN ARRAY OF DIGITALLY CONTROLLED VALVES [patent_app_type] => utility [patent_app_number] => 18/927092 [patent_app_country] => US [patent_app_date] => 2024-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4625 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18927092 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/927092
PRESSURIZED SHOWERHEAD HAVING AN ARRAY OF DIGITALLY CONTROLLED VALVES Oct 24, 2024 Pending
Array ( [id] => 19998064 [patent_doc_number] => 20250136286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => SAFETY CONTAINER TO HOLD A BURNING BATTERY POWERED OBJECT, AIRCRAFT GALLEY AND AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/926469 [patent_app_country] => US [patent_app_date] => 2024-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18926469 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/926469
SAFETY CONTAINER TO HOLD A BURNING BATTERY POWERED OBJECT, AIRCRAFT GALLEY AND AIRCRAFT Oct 24, 2024 Pending
Array ( [id] => 20005059 [patent_doc_number] => 20250143281 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Safe Operation of a Spraying Apparatus with a Foldable Boom Assembly [patent_app_type] => utility [patent_app_number] => 18/914560 [patent_app_country] => US [patent_app_date] => 2024-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18914560 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/914560
Safe Operation of a Spraying Apparatus with a Foldable Boom Assembly Oct 13, 2024 Pending
Array ( [id] => 19982112 [patent_doc_number] => 20250120334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => Removable Spreader Hopper [patent_app_type] => utility [patent_app_number] => 18/913712 [patent_app_country] => US [patent_app_date] => 2024-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18913712 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/913712
Removable Spreader Hopper Oct 10, 2024 Pending
Array ( [id] => 19600057 [patent_doc_number] => 20240390937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => METHOD OF PRODUCING ELECTRODE, AND ELECTRODE PRODUCTION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/760386 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7732 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760386 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760386
METHOD OF PRODUCING ELECTRODE, AND ELECTRODE PRODUCTION APPARATUS Jun 30, 2024 Pending
Array ( [id] => 19500619 [patent_doc_number] => 20240339637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => HEAT EXCHANGER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/625717 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625717
HEAT EXCHANGER ASSEMBLY Apr 2, 2024 Pending
Array ( [id] => 19486605 [patent_doc_number] => 20240334647 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => LIQUID-COOLING HEAT EXCHANGE DEVICE [patent_app_type] => utility [patent_app_number] => 18/603308 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4361 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18603308 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/603308
LIQUID-COOLING HEAT EXCHANGE DEVICE Mar 12, 2024 Abandoned
Array ( [id] => 19449995 [patent_doc_number] => 20240310125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => HONEYCOMB STRUCTURE FOR HEAT EXCHANGER AND HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/581539 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581539
HONEYCOMB STRUCTURE FOR HEAT EXCHANGER AND HEAT EXCHANGER Feb 19, 2024 Pending
Array ( [id] => 19382012 [patent_doc_number] => 20240271882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/441127 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18441127 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/441127
HEAT EXCHANGER Feb 13, 2024 Pending
Array ( [id] => 20772377 [patent_doc_number] => 12656041 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => Remote, multi-functional snow-making apparatus [patent_app_type] => utility [patent_app_number] => 18/419880 [patent_app_country] => US [patent_app_date] => 2024-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 1139 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18419880 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/419880
Remote, multi-functional snow-making apparatus Jan 22, 2024 Issued
Array ( [id] => 19431791 [patent_doc_number] => 20240300289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => THERMAL MANAGEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/416044 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416044
Thermal management system Jan 17, 2024 Issued
Array ( [id] => 19361859 [patent_doc_number] => 20240263893 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/407526 [patent_app_country] => US [patent_app_date] => 2024-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407526 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407526
HEAT EXCHANGER Jan 8, 2024 Pending
Array ( [id] => 19319323 [patent_doc_number] => 20240240866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => MICROCHANNEL HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/401273 [patent_app_country] => US [patent_app_date] => 2023-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18401273 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/401273
Microchannel heat exchanger Dec 28, 2023 Issued
Array ( [id] => 19050169 [patent_doc_number] => 20240092138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => THERMAL MANAGEMENT SYSTEM AND VEHICLE HAVING SAME [patent_app_type] => utility [patent_app_number] => 18/523892 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12374 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523892
THERMAL MANAGEMENT SYSTEM AND VEHICLE HAVING SAME Nov 29, 2023 Abandoned
Array ( [id] => 19249896 [patent_doc_number] => 20240200884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-20 [patent_title] => HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 18/510818 [patent_app_country] => US [patent_app_date] => 2023-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 344 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18510818 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/510818
HEAT EXCHANGER Nov 15, 2023 Abandoned
Array ( [id] => 19982130 [patent_doc_number] => 20250120352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => MULTITUBE POLYPIPE [patent_app_type] => utility [patent_app_number] => 18/380057 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18380057 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/380057
MULTITUBE POLYPIPE Oct 12, 2023 Pending
Array ( [id] => 19112042 [patent_doc_number] => 20240123792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => VEHICLE TANK AND METHOD FOR MANUFACTURING VEHICLE TANK [patent_app_type] => utility [patent_app_number] => 18/480652 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 18480652 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/480652
VEHICLE TANK AND METHOD FOR MANUFACTURING VEHICLE TANK Oct 3, 2023 Abandoned
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