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] => 17504636 [patent_doc_number] => 20220097738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => CUSHIONING UNIT WITH REDUCED TAIL YOKE [patent_app_type] => utility [patent_app_number] => 17/498679 [patent_app_country] => US [patent_app_date] => 2021-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2698 [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] => 17498679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/498679
Cushioning unit with reduced tail yoke Oct 10, 2021 Issued
Array ( [id] => 18309494 [patent_doc_number] => 20230113394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => GEAR CASE FLUID SENSOR [patent_app_type] => utility [patent_app_number] => 17/496518 [patent_app_country] => US [patent_app_date] => 2021-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4418 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17496518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496518
Gear case fluid sensor Oct 6, 2021 Issued
Array ( [id] => 18843970 [patent_doc_number] => 20230406374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => SYSTEM AND METHOD FOR MONITORING THE STATE OF A WHEEL OF A RAIL VEHICLE [patent_app_type] => utility [patent_app_number] => 18/034299 [patent_app_country] => US [patent_app_date] => 2021-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18034299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/034299
SYSTEM AND METHOD FOR MONITORING THE STATE OF A WHEEL OF A RAIL VEHICLE Oct 3, 2021 Pending
Array ( [id] => 19903951 [patent_doc_number] => 12280947 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Overhead traveling vehicle and overhead traveling vehicle fault processing system [patent_app_type] => utility [patent_app_number] => 17/486437 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 1155 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17486437 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/486437
Overhead traveling vehicle and overhead traveling vehicle fault processing system Sep 26, 2021 Issued
Array ( [id] => 18452159 [patent_doc_number] => 20230193438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => WELDED RAIL [patent_app_type] => utility [patent_app_number] => 18/017777 [patent_app_country] => US [patent_app_date] => 2021-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017777 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017777
WELDED RAIL Sep 20, 2021 Pending
Array ( [id] => 18816311 [patent_doc_number] => 20230390651 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => AMUSEMENT DEVICE [patent_app_type] => utility [patent_app_number] => 18/024796 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18024796 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024796
AMUSEMENT DEVICE Sep 1, 2021 Issued
Array ( [id] => 18511847 [patent_doc_number] => 20230228040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => MOLDING DEVICES AND METHODS FOR MAKING ELASTOMERIC PADS FOR USE AS RAIL TIES [patent_app_type] => utility [patent_app_number] => 18/002212 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7046 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18002212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/002212
MOLDING DEVICES AND METHODS FOR MAKING ELASTOMERIC PADS FOR USE AS RAIL TIES Aug 29, 2021 Pending
Array ( [id] => 17680703 [patent_doc_number] => 11364940 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-06-21 [patent_title] => Adaptive route rail system with passive switches [patent_app_type] => utility [patent_app_number] => 17/460188 [patent_app_country] => US [patent_app_date] => 2021-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 8858 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17460188 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/460188
Adaptive route rail system with passive switches Aug 27, 2021 Issued
Array ( [id] => 20357016 [patent_doc_number] => 12472998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Energy dissipation device [patent_app_type] => utility [patent_app_number] => 18/028411 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 22 [patent_no_of_words] => 3469 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18028411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/028411
Energy dissipation device Aug 24, 2021 Issued
Array ( [id] => 18922299 [patent_doc_number] => 20240025303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => ELECTRICAL ROAD TRACK MODULE, SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/041277 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041277 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041277
Electrical road track module, system and method Aug 16, 2021 Issued
Array ( [id] => 18197360 [patent_doc_number] => 20230050879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => RAILROAD CROSSING WARNING SYSTEM FOR ENHANCED ROUTE PLANNING [patent_app_type] => utility [patent_app_number] => 17/403511 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17403511 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/403511
Railroad crossing warning system for enhanced route planning Aug 15, 2021 Issued
Array ( [id] => 18657228 [patent_doc_number] => 20230303131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => LOCOMOTIVE ON-BOARD STORAGE AND DELIVERY OF GASEOUS FUEL [patent_app_type] => utility [patent_app_number] => 18/041259 [patent_app_country] => US [patent_app_date] => 2021-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18041259 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041259
LOCOMOTIVE ON-BOARD STORAGE AND DELIVERY OF GASEOUS FUEL Aug 11, 2021 Pending
Array ( [id] => 20132557 [patent_doc_number] => 12374875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Inspection system push-cable guide apparatus [patent_app_type] => utility [patent_app_number] => 17/397940 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17397940 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/397940
Inspection system push-cable guide apparatus Aug 8, 2021 Issued
Array ( [id] => 17243013 [patent_doc_number] => 20210362756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => TRAFFIC COMMUNICATION SYSTEM, BASE STATION, VEHICLE, MOBILE STATION, AND MESSAGE TRANSMISSION METHOD [patent_app_type] => utility [patent_app_number] => 17/397516 [patent_app_country] => US [patent_app_date] => 2021-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17397516 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/397516
Traffic communication system, base station, vehicle, mobile station, and message transmission method Aug 8, 2021 Issued
Array ( [id] => 18484507 [patent_doc_number] => 20230211812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => ARRANGEMENT FOR A RAIL VEHICLE [patent_app_type] => utility [patent_app_number] => 18/013027 [patent_app_country] => US [patent_app_date] => 2021-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2236 [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] => 18013027 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013027
Arrangement for a rail vehicle Aug 5, 2021 Issued
Array ( [id] => 18123846 [patent_doc_number] => 20230009457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => SYSTEMS AND METHODS FOR A MULTI-DEGREE OF FREEDOM RIDE VEHICLE [patent_app_type] => utility [patent_app_number] => 17/394694 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8868 [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] => 17394694 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/394694
Systems and methods for a multi-degree of freedom ride vehicle Aug 4, 2021 Issued
Array ( [id] => 19947979 [patent_doc_number] => 12319323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Railroad coil car structure [patent_app_type] => utility [patent_app_number] => 17/394571 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 1225 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17394571 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/394571
Railroad coil car structure Aug 4, 2021 Issued
Array ( [id] => 17389331 [patent_doc_number] => 20220037183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => TRANSFER SYSTEM AND TRANSFER METHOD [patent_app_type] => utility [patent_app_number] => 17/389668 [patent_app_country] => US [patent_app_date] => 2021-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6155 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17389668 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/389668
Transfer system and transfer method Jul 29, 2021 Issued
Array ( [id] => 18894760 [patent_doc_number] => 20240010245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => ELEVATED PUBLIC TRANSPORTATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/019363 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18019363 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/019363
ELEVATED PUBLIC TRANSPORTATION SYSTEM Jul 28, 2021 Pending
Array ( [id] => 19667085 [patent_doc_number] => 12179810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Rail vehicle provided with an end wall, a doorway, and footplate catchers [patent_app_type] => utility [patent_app_number] => 17/375074 [patent_app_country] => US [patent_app_date] => 2021-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4681 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17375074 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/375074
Rail vehicle provided with an end wall, a doorway, and footplate catchers Jul 13, 2021 Issued
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