Search

Len Tran

Supervisory Patent Examiner (ID: 10373, Phone: (571)272-1184 , Office: P/3744 )

Most Active Art Unit
1725
Art Unit(s)
3752, 1725, 3763, 3744, 1722
Total Applications
847
Issued Applications
531
Pending Applications
65
Abandoned Applications
255

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19381976 [patent_doc_number] => 20240271846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
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] => 19844253 [patent_doc_number] => 20250089604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => APPARATUS FOR CONTROLLING APPLICATION OF AGRICULTURAL CHEMICALS [patent_app_type] => utility [patent_app_number] => 18/370175 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18370175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/370175
APPARATUS FOR CONTROLLING APPLICATION OF AGRICULTURAL CHEMICALS Sep 18, 2023 Pending
Array ( [id] => 19844253 [patent_doc_number] => 20250089604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => APPARATUS FOR CONTROLLING APPLICATION OF AGRICULTURAL CHEMICALS [patent_app_type] => utility [patent_app_number] => 18/370175 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18370175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/370175
APPARATUS FOR CONTROLLING APPLICATION OF AGRICULTURAL CHEMICALS Sep 18, 2023 Pending
Array ( [id] => 20413214 [patent_doc_number] => 12496477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Fire suppressing gas generators, systems, and arrangements [patent_app_type] => utility [patent_app_number] => 18/230497 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 6061 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230497
Fire suppressing gas generators, systems, and arrangements Aug 3, 2023 Issued
Array ( [id] => 19753248 [patent_doc_number] => 20250041813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => PLANTING SYSTEM HAVING AGITATOR [patent_app_type] => utility [patent_app_number] => 18/230121 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230121
PLANTING SYSTEM HAVING AGITATOR Aug 2, 2023 Pending
Array ( [id] => 18690203 [patent_doc_number] => 20230320339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => FLAMELESS ENERGIZER FOR TREATMENT AGENT [patent_app_type] => utility [patent_app_number] => 18/327857 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327857
FLAMELESS ENERGIZER FOR TREATMENT AGENT May 31, 2023 Pending
Array ( [id] => 19600044 [patent_doc_number] => 20240390924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DROPLET JET NOZZLE DESIGN [patent_app_type] => utility [patent_app_number] => 18/322484 [patent_app_country] => US [patent_app_date] => 2023-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6929 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322484 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/322484
DROPLET JET NOZZLE DESIGN May 22, 2023 Pending
Array ( [id] => 18860768 [patent_doc_number] => 20230415203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => WASHING MACHINE FOR WASHING OBJECTS FOR ANIMAL STALLING [patent_app_type] => utility [patent_app_number] => 18/321440 [patent_app_country] => US [patent_app_date] => 2023-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4708 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18321440 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/321440
WASHING MACHINE FOR WASHING OBJECTS FOR ANIMAL STALLING May 21, 2023 Pending
Array ( [id] => 19599838 [patent_doc_number] => 20240390718 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DEVICES, SYSTEMS, AND METHODS FOR APPLICATION OF FIRE RETARDANT [patent_app_type] => utility [patent_app_number] => 18/696231 [patent_app_country] => US [patent_app_date] => 2022-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18696231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/696231
DEVICES, SYSTEMS, AND METHODS FOR APPLICATION OF FIRE RETARDANT Sep 26, 2022 Pending
Array ( [id] => 19998069 [patent_doc_number] => 20250136291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => SYSTEM FOR DETECTING SMOKE IN CARGO TRANSPORTED IN A PASSENGER CABIN OF AN AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/690950 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18690950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690950
SYSTEM FOR DETECTING SMOKE IN CARGO TRANSPORTED IN A PASSENGER CABIN OF AN AIRCRAFT Sep 12, 2022 Pending
Array ( [id] => 19998069 [patent_doc_number] => 20250136291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => SYSTEM FOR DETECTING SMOKE IN CARGO TRANSPORTED IN A PASSENGER CABIN OF AN AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/690950 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18690950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690950
SYSTEM FOR DETECTING SMOKE IN CARGO TRANSPORTED IN A PASSENGER CABIN OF AN AIRCRAFT Sep 12, 2022 Pending
Array ( [id] => 19615632 [patent_doc_number] => 20240401312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => DRINKING FOUNTAIN AND FOUNTAIN ARM THEREOF [patent_app_type] => utility [patent_app_number] => 18/686373 [patent_app_country] => US [patent_app_date] => 2022-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2246 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18686373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/686373
DRINKING FOUNTAIN AND FOUNTAIN ARM THEREOF Aug 21, 2022 Pending
Array ( [id] => 19215437 [patent_doc_number] => 20240180141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Method for Spreading Spraying Liquid onto Arable Agricultural Land [patent_app_type] => utility [patent_app_number] => 18/285942 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285942 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285942
Method for Spreading Spraying Liquid onto Arable Agricultural Land Mar 24, 2022 Pending
Array ( [id] => 19215437 [patent_doc_number] => 20240180141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => Method for Spreading Spraying Liquid onto Arable Agricultural Land [patent_app_type] => utility [patent_app_number] => 18/285942 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285942 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285942
Method for Spreading Spraying Liquid onto Arable Agricultural Land Mar 24, 2022 Pending
Array ( [id] => 19570848 [patent_doc_number] => 20240375140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => SPRAY GUN CAPABLE OF PREVENTING SPATTERING [patent_app_type] => utility [patent_app_number] => 18/689134 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689134 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/689134
SPRAY GUN CAPABLE OF PREVENTING SPATTERING Feb 10, 2022 Pending
Array ( [id] => 19048399 [patent_doc_number] => 20240090368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => Method for Spreading Broadcasting Material Using an Agricultural Spreader [patent_app_type] => utility [patent_app_number] => 18/277355 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5856 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18277355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/277355
Method for Spreading Broadcasting Material Using an Agricultural Spreader Feb 8, 2022 Pending
Array ( [id] => 18816458 [patent_doc_number] => 20230390798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => CLEANING NOZZLE FOR CRYOGENIC FLUID FUELING RECEPTACLE [patent_app_type] => utility [patent_app_number] => 18/251344 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21768 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251344
CLEANING NOZZLE FOR CRYOGENIC FLUID FUELING RECEPTACLE Nov 16, 2021 Pending
Array ( [id] => 18830040 [patent_doc_number] => 20230398564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => CLEANING RECEPTACLE FOR CRYOGENIC FLUID FUELING NOZZLE [patent_app_type] => utility [patent_app_number] => 18/251329 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18251329 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/251329
CLEANING RECEPTACLE FOR CRYOGENIC FLUID FUELING NOZZLE Nov 16, 2021 Pending
Array ( [id] => 18816450 [patent_doc_number] => 20230390790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => ELECTROSTATIC SPRAY NOZZLE FILM AND ELECTROSTATIC SPRAY SYSTEM INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 18/248950 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7016 [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] => 18248950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/248950
ELECTROSTATIC SPRAY NOZZLE FILM AND ELECTROSTATIC SPRAY SYSTEM INCLUDING SAME Oct 7, 2021 Abandoned
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