Search

Mark T. Le

Examiner (ID: 13962, Phone: (571)272-6682 , Office: P/3617 )

Most Active Art Unit
3617
Art Unit(s)
3104, 3613, 3103, 3617, 3102
Total Applications
3361
Issued Applications
2654
Pending Applications
119
Abandoned Applications
589

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18793501 [patent_doc_number] => 11827251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Rail vehicle and bogie [patent_app_type] => utility [patent_app_number] => 17/781042 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 8020 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17781042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/781042
Rail vehicle and bogie Apr 6, 2021 Issued
Array ( [id] => 16900239 [patent_doc_number] => 20210179155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => METHODS AND SYSTEMS FOR DECENTRALIZED TRAIN CONTROL [patent_app_type] => utility [patent_app_number] => 17/182905 [patent_app_country] => US [patent_app_date] => 2021-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17182905 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/182905
METHODS AND SYSTEMS FOR DECENTRALIZED TRAIN CONTROL Feb 22, 2021 Abandoned
Array ( [id] => 17169921 [patent_doc_number] => 20210323591 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => RAIL WARNING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/248802 [patent_app_country] => US [patent_app_date] => 2021-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3043 [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] => 17248802 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248802
Rail warning system and method Feb 7, 2021 Issued
Array ( [id] => 18887316 [patent_doc_number] => 11866077 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Collision protection and safety system for rail vehicles [patent_app_type] => utility [patent_app_number] => 17/248130 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9036 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17248130 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/248130
Collision protection and safety system for rail vehicles Jan 10, 2021 Issued
Array ( [id] => 18642983 [patent_doc_number] => 11767040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Bogie frame with asymmetrical support beam and bogie of a rail vehicle [patent_app_type] => utility [patent_app_number] => 17/137540 [patent_app_country] => US [patent_app_date] => 2020-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3378 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 428 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17137540 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/137540
Bogie frame with asymmetrical support beam and bogie of a rail vehicle Dec 29, 2020 Issued
Array ( [id] => 16823763 [patent_doc_number] => 20210139056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => UNDERSLUNG STEERING ARM ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/133343 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17133343 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/133343
Underslung steering arm assembly Dec 22, 2020 Issued
Array ( [id] => 17059776 [patent_doc_number] => 11104361 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Railroad virtual track block system [patent_app_type] => utility [patent_app_number] => 17/247303 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4634 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17247303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/247303
Railroad virtual track block system Dec 6, 2020 Issued
Array ( [id] => 18747988 [patent_doc_number] => 11807282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Railroad car truck damper wedge fittings [patent_app_type] => utility [patent_app_number] => 17/092771 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 67 [patent_no_of_words] => 24370 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17092771 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/092771
Railroad car truck damper wedge fittings Nov 8, 2020 Issued
Array ( [id] => 18518221 [patent_doc_number] => 11708097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Hydromechanical wheelset control system for a rail vehicle [patent_app_type] => utility [patent_app_number] => 17/085904 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4662 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17085904 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/085904
Hydromechanical wheelset control system for a rail vehicle Oct 29, 2020 Issued
Array ( [id] => 18620026 [patent_doc_number] => 11753052 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Railcar bogie frame [patent_app_type] => utility [patent_app_number] => 17/072066 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 9735 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17072066 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/072066
Railcar bogie frame Oct 15, 2020 Issued
Array ( [id] => 16672553 [patent_doc_number] => 20210061316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => ZIPLINE TROLLEY [patent_app_type] => utility [patent_app_number] => 17/071942 [patent_app_country] => US [patent_app_date] => 2020-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17071942 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/071942
Zipline trolley Oct 14, 2020 Issued
Array ( [id] => 16749621 [patent_doc_number] => 20210101630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => WHEEL DRIVE APPARATUS OF AUTOMATED GUIDED VEHICLE [patent_app_type] => utility [patent_app_number] => 17/065666 [patent_app_country] => US [patent_app_date] => 2020-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4865 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17065666 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/065666
Wheel drive apparatus of automated guided vehicle Oct 7, 2020 Issued
Array ( [id] => 19440835 [patent_doc_number] => 12091071 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => High-speed railway switch device for moving railroad switch points [patent_app_type] => utility [patent_app_number] => 17/064593 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 28 [patent_no_of_words] => 4646 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17064593 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064593
High-speed railway switch device for moving railroad switch points Oct 5, 2020 Issued
Array ( [id] => 18733154 [patent_doc_number] => 11801876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-31 [patent_title] => Hourglass autorack car [patent_app_type] => utility [patent_app_number] => 17/061210 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4451 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17061210 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061210
Hourglass autorack car Sep 30, 2020 Issued
Array ( [id] => 16556753 [patent_doc_number] => 20210001901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => SUPPLEMENTAL SHUNTING DEVICE INDICATOR [patent_app_type] => utility [patent_app_number] => 17/031193 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3157 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17031193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/031193
SUPPLEMENTAL SHUNTING DEVICE INDICATOR Sep 23, 2020 Abandoned
Array ( [id] => 16540525 [patent_doc_number] => 20200406938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => COVERED HOPPER CAR [patent_app_type] => utility [patent_app_number] => 17/015945 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17015945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/015945
Covered hopper car Sep 8, 2020 Issued
Array ( [id] => 16483365 [patent_doc_number] => 20200376965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => LEVITATION CONTROL SYSTEM FOR A TRANSPORTATION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/995788 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995788 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995788
Levitation control system for a transportation system Aug 16, 2020 Issued
Array ( [id] => 16657937 [patent_doc_number] => 20210054573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => Molded Railroad Composite Cross Tie Unit [patent_app_type] => utility [patent_app_number] => 16/991394 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2621 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16991394 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/991394
Molded Railroad Composite Cross Tie Unit Aug 11, 2020 Abandoned
Array ( [id] => 16628304 [patent_doc_number] => 20210046957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => EMERGENCY EXIT WINDOW FOR A PUBLIC TRANSPORT VEHICLE [patent_app_type] => utility [patent_app_number] => 16/991749 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16991749 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/991749
Emergency exit window for a public transport vehicle Aug 11, 2020 Issued
Array ( [id] => 17953184 [patent_doc_number] => 11479272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-25 [patent_title] => Gangway for connecting a first car of a multi-car vehicle to a second car [patent_app_type] => utility [patent_app_number] => 16/983390 [patent_app_country] => US [patent_app_date] => 2020-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 6384 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 298 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16983390 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/983390
Gangway for connecting a first car of a multi-car vehicle to a second car Aug 2, 2020 Issued
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