Search

Erik B. Crawford

Examiner (ID: 16649, Phone: (571)270-1011 , Office: P/1677 )

Most Active Art Unit
1677
Art Unit(s)
1641, 1677
Total Applications
417
Issued Applications
241
Pending Applications
3
Abandoned Applications
173

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18684762 [patent_doc_number] => 11780478 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-10-10 [patent_title] => Railroad switch device [patent_app_type] => utility [patent_app_number] => 17/731238 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4986 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17731238 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/731238
Railroad switch device Apr 26, 2022 Issued
Array ( [id] => 19150852 [patent_doc_number] => 11975747 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Bridge crane apparatus for opening and closing railcar lids [patent_app_type] => utility [patent_app_number] => 17/785741 [patent_app_country] => US [patent_app_date] => 2022-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 28 [patent_no_of_words] => 6533 [patent_no_of_claims] => 78 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17785741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/785741
Bridge crane apparatus for opening and closing railcar lids Mar 27, 2022 Issued
Array ( [id] => 19593896 [patent_doc_number] => 12151725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => System and method for remote device monitoring [patent_app_type] => utility [patent_app_number] => 17/703487 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 18551 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17703487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/703487
System and method for remote device monitoring Mar 23, 2022 Issued
Array ( [id] => 18323980 [patent_doc_number] => 20230122108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => SYSTEM AND METHOD FOR REMOTE DEVICE MONITORING [patent_app_type] => utility [patent_app_number] => 17/703471 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17703471 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/703471
System and method for remote device monitoring Mar 23, 2022 Issued
Array ( [id] => 17705196 [patent_doc_number] => 20220205202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => ROUTE CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/698547 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7029 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17698547 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698547
Route cleaning system Mar 17, 2022 Issued
Array ( [id] => 18152773 [patent_doc_number] => 11565730 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-31 [patent_title] => Automated tie marking [patent_app_type] => utility [patent_app_number] => 17/687025 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 14787 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17687025 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/687025
Automated tie marking Mar 3, 2022 Issued
Array ( [id] => 18314803 [patent_doc_number] => 11628869 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-18 [patent_title] => Automated tie marking [patent_app_type] => utility [patent_app_number] => 17/687210 [patent_app_country] => US [patent_app_date] => 2022-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 18164 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17687210 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/687210
Automated tie marking Mar 3, 2022 Issued
Array ( [id] => 17642476 [patent_doc_number] => 20220170214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => ADAPTIVE RAILWAY FASTENER AND ANCHOR INSTALLATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/677338 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17677338 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/677338
ADAPTIVE RAILWAY FASTENER AND ANCHOR INSTALLATION SYSTEM Feb 21, 2022 Pending
Array ( [id] => 20329287 [patent_doc_number] => 12459550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Railroad freight car draft gear friction modifying insert [patent_app_type] => utility [patent_app_number] => 17/665058 [patent_app_country] => US [patent_app_date] => 2022-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 1096 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17665058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/665058
Railroad freight car draft gear friction modifying insert Feb 3, 2022 Issued
Array ( [id] => 17831632 [patent_doc_number] => 20220268936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => END OF TRAIN DEVICE AND INTEGRATED LIDAR MONITORING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/649850 [patent_app_country] => US [patent_app_date] => 2022-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4052 [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] => 17649850 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649850
END OF TRAIN DEVICE AND INTEGRATED LIDAR MONITORING SYSTEM Feb 2, 2022 Pending
Array ( [id] => 18081026 [patent_doc_number] => 20220406638 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => HASH OVERHEAD HOIST TRANSPORT RAIL SYSTEM AND METHODS OF OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 17/586448 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17586448 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/586448
Hash overhead hoist transport rail system and methods of operating the same Jan 26, 2022 Issued
Array ( [id] => 17761022 [patent_doc_number] => 20220234634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => VEHICLE POSITIONING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/649014 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9719 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17649014 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649014
VEHICLE POSITIONING SYSTEM Jan 25, 2022 Pending
Array ( [id] => 18057342 [patent_doc_number] => 20220388428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => TRACKED ELECTRIC VEHICLE SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/648537 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17648537 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648537
TRACKED ELECTRIC VEHICLE SYSTEMS Jan 19, 2022 Abandoned
Array ( [id] => 17719980 [patent_doc_number] => 20220212699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => RAILCAR DAMPING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/569218 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13048 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17569218 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/569218
RAILCAR DAMPING SYSTEM Jan 4, 2022 Pending
Array ( [id] => 18468254 [patent_doc_number] => 20230202535 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => COVER ASSEMBLIES FOR RAILROAD CARS [patent_app_type] => utility [patent_app_number] => 17/560914 [patent_app_country] => US [patent_app_date] => 2021-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4347 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17560914 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/560914
Cover assemblies for railroad cars Dec 22, 2021 Issued
Array ( [id] => 18450638 [patent_doc_number] => 20230191915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => FLEET AND TROLLEY SYSTEM FOR ZERO-EMISSION MACHINES [patent_app_type] => utility [patent_app_number] => 17/557788 [patent_app_country] => US [patent_app_date] => 2021-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17557788 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/557788
FLEET AND TROLLEY SYSTEM FOR ZERO-EMISSION MACHINES Dec 20, 2021 Pending
Array ( [id] => 19463610 [patent_doc_number] => 20240317279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => END CAB SWITCHER LOCOMOTIVE [patent_app_type] => utility [patent_app_number] => 18/263743 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9923 [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] => 18263743 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263743
END CAB SWITCHER LOCOMOTIVE Dec 15, 2021 Pending
Array ( [id] => 19955054 [patent_doc_number] => 12325458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Independent rail test release mechanism [patent_app_type] => utility [patent_app_number] => 17/546282 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17546282 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546282
Independent rail test release mechanism Dec 8, 2021 Issued
Array ( [id] => 17474345 [patent_doc_number] => 20220081849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => RAILWAY TIE PLATE RETENTION DEVICES AND METHODS TO FACILITATE RAILWAY TIE REPLACEMENT [patent_app_type] => utility [patent_app_number] => 17/456251 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11972 [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] => 17456251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/456251
Railway tie plate retention devices and methods to facilitate railway tie replacement Nov 22, 2021 Issued
Array ( [id] => 19931344 [patent_doc_number] => 12304541 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Station time, grade time, stop time, and relay time testing device [patent_app_type] => utility [patent_app_number] => 17/532303 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2545 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532303
Station time, grade time, stop time, and relay time testing device Nov 21, 2021 Issued
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