Search

Calvin Lee

Examiner (ID: 12957)

Most Active Art Unit
2896
Art Unit(s)
2896, 2818, 2825, 2892, 2815
Total Applications
2071
Issued Applications
1934
Pending Applications
11
Abandoned Applications
134

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20093102 [patent_doc_number] => 20250223038 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => Aerial Emergency Load Release Mechanism System and Method for an Aerial Transport System [patent_app_type] => utility [patent_app_number] => 19/014505 [patent_app_country] => US [patent_app_date] => 2025-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 19014505 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/014505
Aerial Emergency Load Release Mechanism System and Method for an Aerial Transport System Jan 8, 2025 Pending
Array ( [id] => 19593891 [patent_doc_number] => 12151720 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-26 [patent_title] => Anti-collision buffering device for high-speed train [patent_app_type] => utility [patent_app_number] => 18/799973 [patent_app_country] => US [patent_app_date] => 2024-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4886 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18799973 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/799973
Anti-collision buffering device for high-speed train Aug 8, 2024 Issued
Array ( [id] => 19701052 [patent_doc_number] => 12195058 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-14 [patent_title] => Auxiliary transportation system for diesel engine monorail crane locomotive in slope and control method [patent_app_type] => utility [patent_app_number] => 18/788513 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4232 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 679 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788513 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788513
Auxiliary transportation system for diesel engine monorail crane locomotive in slope and control method Jul 29, 2024 Issued
Array ( [id] => 19809835 [patent_doc_number] => 12241207 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-03-04 [patent_title] => System and method for waterproofing railway structures [patent_app_type] => utility [patent_app_number] => 18/776822 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3131 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18776822 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/776822
System and method for waterproofing railway structures Jul 17, 2024 Issued
Array ( [id] => 19692347 [patent_doc_number] => 20250010892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => LOCKING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/773285 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18773285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773285
Locking assembly Jul 14, 2024 Issued
Array ( [id] => 19675479 [patent_doc_number] => 12187328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Guide-type anti-climbing energy-absorbing device based on hydraulic shearing [patent_app_type] => utility [patent_app_number] => 18/759788 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5876 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18759788 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759788
Guide-type anti-climbing energy-absorbing device based on hydraulic shearing Jun 27, 2024 Issued
Array ( [id] => 19871594 [patent_doc_number] => 12264444 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Prefabricated movable and adjustable support frame for construction crossing over existing line, and method of installing same [patent_app_type] => utility [patent_app_number] => 18/677556 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3675 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 433 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18677556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/677556
Prefabricated movable and adjustable support frame for construction crossing over existing line, and method of installing same May 28, 2024 Issued
Array ( [id] => 19601635 [patent_doc_number] => 20240392515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => SINGLE-PLANE MULTI-FUNCTIONAL RAILWAY COMPONENT HANDLING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/674223 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21294 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18674223 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/674223
SINGLE-PLANE MULTI-FUNCTIONAL RAILWAY COMPONENT HANDLING SYSTEM May 23, 2024 Pending
Array ( [id] => 19388941 [patent_doc_number] => 20240278811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => MODULAR RAILCAR UNDERFRAME AND TOP CONTAINER [patent_app_type] => utility [patent_app_number] => 18/651777 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18651777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/651777
MODULAR RAILCAR UNDERFRAME AND TOP CONTAINER Apr 30, 2024 Abandoned
Array ( [id] => 19593887 [patent_doc_number] => 12151716 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-26 [patent_title] => External energy pack locomotive system [patent_app_type] => utility [patent_app_number] => 18/646186 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4446 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18646186 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646186
External energy pack locomotive system Apr 24, 2024 Issued
Array ( [id] => 19388948 [patent_doc_number] => 20240278818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => ELECTRIC RAIL VEHICLE [patent_app_type] => utility [patent_app_number] => 18/635029 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11413 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18635029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635029
ELECTRIC RAIL VEHICLE Apr 14, 2024 Pending
Array ( [id] => 19389161 [patent_doc_number] => 20240279031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Carrier Configured to Transport Various Sized Objects [patent_app_type] => utility [patent_app_number] => 18/630189 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9194 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18630189 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630189
Carrier configured to transport various sized objects Apr 8, 2024 Issued
Array ( [id] => 19299005 [patent_doc_number] => 20240227572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => SUPPLEMENTAL ENERGY GENERATION AND STORAGE FOR TRAINS [patent_app_type] => utility [patent_app_number] => 18/612709 [patent_app_country] => US [patent_app_date] => 2024-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18612709 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/612709
Supplemental energy generation and storage for trains Mar 20, 2024 Issued
Array ( [id] => 19281090 [patent_doc_number] => 20240217564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => APPARATUS AND METHOD FOR WEAR DETECTION OF RAILROAD VEHICLE WHEELS [patent_app_type] => utility [patent_app_number] => 18/601636 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601636 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601636
Apparatus and method for wear detection of railroad vehicle wheels Mar 10, 2024 Issued
Array ( [id] => 19264856 [patent_doc_number] => 20240208555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => GRADE CROSSING GATE ARM POSITION DETECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/598720 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17092 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598720 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598720
GRADE CROSSING GATE ARM POSITION DETECTION SYSTEM Mar 6, 2024 Pending
Array ( [id] => 19202371 [patent_doc_number] => 20240174270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => VEHICLE INTENDED FOR AN ELECTRICAL LINE [patent_app_type] => utility [patent_app_number] => 18/435549 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435549 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435549
VEHICLE INTENDED FOR AN ELECTRICAL LINE Feb 6, 2024 Pending
Array ( [id] => 19360365 [patent_doc_number] => 20240262399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => DISTANCE OPTIMIZATION DEVICE FOR A CONVEYOR SYSTEM, METHOD FOR CONVEYING OVERHEAD TRANSPORT ELEMENTS AND OVERHEAD CONVEYOR SYSTEM [patent_app_type] => utility [patent_app_number] => 18/430824 [patent_app_country] => US [patent_app_date] => 2024-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18430824 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/430824
DISTANCE OPTIMIZATION DEVICE FOR A CONVEYOR SYSTEM, METHOD FOR CONVEYING OVERHEAD TRANSPORT ELEMENTS AND OVERHEAD CONVEYOR SYSTEM Feb 1, 2024 Pending
Array ( [id] => 19762865 [patent_doc_number] => 12221137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Large-scale power generation method using electric locomotive-driven generators [patent_app_type] => utility [patent_app_number] => 18/423353 [patent_app_country] => US [patent_app_date] => 2024-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2366 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18423353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/423353
Large-scale power generation method using electric locomotive-driven generators Jan 25, 2024 Issued
Array ( [id] => 19527924 [patent_doc_number] => 20240351826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => RAISING AND LOWERING DEVICE [patent_app_type] => utility [patent_app_number] => 18/421340 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18421340 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421340
RAISING AND LOWERING DEVICE Jan 23, 2024 Pending
Array ( [id] => 19158267 [patent_doc_number] => 20240150974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => RAIL TIE PLATE FLIPPING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/414166 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25228 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18414166 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414166
Rail tie plate flipping assembly Jan 15, 2024 Issued
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