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] => 19317843 [patent_doc_number] => 20240239384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => RAILROAD COMPUTING SYSTEM AND DEVICE [patent_app_type] => utility [patent_app_number] => 18/114190 [patent_app_country] => US [patent_app_date] => 2023-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4638 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18114190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/114190
RAILROAD COMPUTING SYSTEM AND DEVICE Feb 23, 2023 Abandoned
Array ( [id] => 19403262 [patent_doc_number] => 20240286773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => SLIP-THROUGH TETHER AND ATTACHMENT SYSTEM FOR ROBOT MOVEMENT ALONG A TETHER [patent_app_type] => utility [patent_app_number] => 18/113259 [patent_app_country] => US [patent_app_date] => 2023-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18113259 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/113259
SLIP-THROUGH TETHER AND ATTACHMENT SYSTEM FOR ROBOT MOVEMENT ALONG A TETHER Feb 22, 2023 Pending
Array ( [id] => 18450887 [patent_doc_number] => 20230192164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Rail Vehicle Signal Enforcement and Separation Control [patent_app_type] => utility [patent_app_number] => 18/111253 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19167 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18111253 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111253
Rail vehicle signal enforcement and separation control Feb 16, 2023 Issued
Array ( [id] => 19360366 [patent_doc_number] => 20240262400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => System and Method for Obtaining, Transmitting and Maintaining Automated Single-Car Test Device Railway Brake Test Results [patent_app_type] => utility [patent_app_number] => 18/107335 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18107335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/107335
System and Method for Obtaining, Transmitting and Maintaining Automated Single-Car Test Device Railway Brake Test Results Feb 7, 2023 Pending
Array ( [id] => 19360366 [patent_doc_number] => 20240262400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => System and Method for Obtaining, Transmitting and Maintaining Automated Single-Car Test Device Railway Brake Test Results [patent_app_type] => utility [patent_app_number] => 18/107335 [patent_app_country] => US [patent_app_date] => 2023-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18107335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/107335
System and Method for Obtaining, Transmitting and Maintaining Automated Single-Car Test Device Railway Brake Test Results Feb 7, 2023 Pending
Array ( [id] => 20413667 [patent_doc_number] => 12496935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Three-rail power supply system [patent_app_type] => utility [patent_app_number] => 18/105024 [patent_app_country] => US [patent_app_date] => 2023-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 1059 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 319 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18105024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/105024
Three-rail power supply system Feb 1, 2023 Issued
Array ( [id] => 18419662 [patent_doc_number] => 20230174122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => SYSTEMS AND METHODS FOR ANALYZING A RAIL [patent_app_type] => utility [patent_app_number] => 18/104497 [patent_app_country] => US [patent_app_date] => 2023-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18104497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/104497
Systems and methods for analyzing a rail Jan 31, 2023 Issued
Array ( [id] => 18419399 [patent_doc_number] => 20230173859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => COMBINED ROAD/RAIL WHEEL DEVICE FOR FOAD AND RAIL OPERATION [patent_app_type] => utility [patent_app_number] => 18/097216 [patent_app_country] => US [patent_app_date] => 2023-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18097216 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/097216
COMBINED ROAD/RAIL WHEEL DEVICE FOR FOAD AND RAIL OPERATION Jan 13, 2023 Pending
Array ( [id] => 18319902 [patent_doc_number] => 20230118030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => OPERATOR PROTECTION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/066194 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18066194 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/066194
OPERATOR PROTECTION SYSTEM AND METHOD Dec 13, 2022 Pending
Array ( [id] => 18266321 [patent_doc_number] => 20230087563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => VEHICLE-BASED GUIDED SWITCHING [patent_app_type] => utility [patent_app_number] => 17/994461 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20487 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17994461 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994461
VEHICLE-BASED GUIDED SWITCHING Nov 27, 2022 Abandoned
Array ( [id] => 18285984 [patent_doc_number] => 20230101456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SYSTEM FOR AND METHOD OF STABILIZING RAIL TRACK STRUCTURES USING A LOAD TRANSFER APPARATUS [patent_app_type] => utility [patent_app_number] => 17/994758 [patent_app_country] => US [patent_app_date] => 2022-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17994758 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/994758
System for and method of stabilizing rail track structures using a load transfer apparatus Nov 27, 2022 Issued
Array ( [id] => 19176678 [patent_doc_number] => 20240162652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => TRANSLATABLE INDUCTION CHARGING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/988419 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17988419 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/988419
TRANSLATABLE INDUCTION CHARGING SYSTEM Nov 15, 2022 Pending
Array ( [id] => 19915898 [patent_doc_number] => 12291248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Automated tie marking [patent_app_type] => utility [patent_app_number] => 18/055015 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9303 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18055015 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/055015
Automated tie marking Nov 13, 2022 Issued
Array ( [id] => 18954012 [patent_doc_number] => 20240042339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => TOY TRACK SET [patent_app_type] => utility [patent_app_number] => 18/055402 [patent_app_country] => US [patent_app_date] => 2022-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18055402 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/055402
TOY TRACK SET Nov 13, 2022 Issued
Array ( [id] => 19157224 [patent_doc_number] => 20240149931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => RAILWAY DETECTION SYSTEM, RAILWAY INFRASTRUCTURE AND METHOD FOR DETECTING THE PRESENCE OF A RAILWAY VEHICLE [patent_app_type] => utility [patent_app_number] => 18/052829 [patent_app_country] => US [patent_app_date] => 2022-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18052829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/052829
RAILWAY DETECTION SYSTEM, RAILWAY INFRASTRUCTURE AND METHOD FOR DETECTING THE PRESENCE OF A RAILWAY VEHICLE Nov 3, 2022 Pending
Array ( [id] => 19157224 [patent_doc_number] => 20240149931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => RAILWAY DETECTION SYSTEM, RAILWAY INFRASTRUCTURE AND METHOD FOR DETECTING THE PRESENCE OF A RAILWAY VEHICLE [patent_app_type] => utility [patent_app_number] => 18/052829 [patent_app_country] => US [patent_app_date] => 2022-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18052829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/052829
RAILWAY DETECTION SYSTEM, RAILWAY INFRASTRUCTURE AND METHOD FOR DETECTING THE PRESENCE OF A RAILWAY VEHICLE Nov 3, 2022 Pending
Array ( [id] => 19479130 [patent_doc_number] => 20240327172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => WHEEL BLOCK, IN PARTICULAR FOR A TRAVELLING CRANE [patent_app_type] => utility [patent_app_number] => 18/703977 [patent_app_country] => US [patent_app_date] => 2022-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5778 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18703977 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/703977
Wheel block, in particular for a travelling crane Oct 25, 2022 Issued
Array ( [id] => 18184192 [patent_doc_number] => 20230044922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => SWITCH-ON UNIT IN A LINEAR TRANSPORT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/961271 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/961271
SWITCH-ON UNIT IN A LINEAR TRANSPORT SYSTEM Oct 5, 2022 Pending
Array ( [id] => 18184192 [patent_doc_number] => 20230044922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => SWITCH-ON UNIT IN A LINEAR TRANSPORT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/961271 [patent_app_country] => US [patent_app_date] => 2022-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961271 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/961271
SWITCH-ON UNIT IN A LINEAR TRANSPORT SYSTEM Oct 5, 2022 Pending
Array ( [id] => 19082762 [patent_doc_number] => 20240109563 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => END ENCLOSURE FOR LIGHT RAIL VEHICLES [patent_app_type] => utility [patent_app_number] => 17/957322 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10994 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17957322 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/957322
END ENCLOSURE FOR LIGHT RAIL VEHICLES Sep 29, 2022 Pending
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