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] => 20143567 [patent_doc_number] => 12377893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Train autonomous control system and method based on train-to-train communication [patent_app_type] => utility [patent_app_number] => 17/596013 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596013
Train autonomous control system and method based on train-to-train communication Oct 18, 2020 Issued
Array ( [id] => 20143567 [patent_doc_number] => 12377893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Train autonomous control system and method based on train-to-train communication [patent_app_type] => utility [patent_app_number] => 17/596013 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596013
Train autonomous control system and method based on train-to-train communication Oct 18, 2020 Issued
Array ( [id] => 19579355 [patent_doc_number] => 12145449 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Collector plate for use with a disk-pack turbine system [patent_app_type] => utility [patent_app_number] => 17/073325 [patent_app_country] => US [patent_app_date] => 2020-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 44 [patent_no_of_words] => 18627 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17073325 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/073325
Collector plate for use with a disk-pack turbine system Oct 16, 2020 Issued
Array ( [id] => 17363795 [patent_doc_number] => 11230813 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-01-25 [patent_title] => Automated road-rail transportation system with side stabilization [patent_app_type] => utility [patent_app_number] => 17/072664 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 28 [patent_no_of_words] => 9529 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17072664 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/072664
Automated road-rail transportation system with side stabilization Oct 15, 2020 Issued
Array ( [id] => 16777557 [patent_doc_number] => 20210114634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => SIGNAL ASPECT ENFORCEMENT [patent_app_type] => utility [patent_app_number] => 17/073145 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8341 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17073145 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/073145
Signal aspect enforcement Oct 15, 2020 Issued
Array ( [id] => 19181352 [patent_doc_number] => 11987936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Tie plate centering and inserting machine [patent_app_type] => utility [patent_app_number] => 17/061685 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 8968 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 361 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17061685 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061685
Tie plate centering and inserting machine Oct 1, 2020 Issued
Array ( [id] => 20329286 [patent_doc_number] => 12459549 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Method and cast components for cold formed center sill rail car modification programs and railcars formed thereby [patent_app_type] => utility [patent_app_number] => 17/038205 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 60 [patent_no_of_words] => 4522 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17038205 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/038205
Method and cast components for cold formed center sill rail car modification programs and railcars formed thereby Sep 29, 2020 Issued
Array ( [id] => 16712451 [patent_doc_number] => 20210079598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => RAIL ANCHORING SPIKE [patent_app_type] => utility [patent_app_number] => 17/025411 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -69 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17025411 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/025411
Rail anchoring spike Sep 17, 2020 Issued
Array ( [id] => 17021917 [patent_doc_number] => 20210245788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => CABLEWAY INSTALLATION COMPRISING A RELAY STRUCTURE BETWEEN TWO CABLE LOOPS [patent_app_type] => utility [patent_app_number] => 17/025984 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4033 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17025984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/025984
Cableway installation comprising a relay structure between two cable loops Sep 17, 2020 Issued
Array ( [id] => 18837420 [patent_doc_number] => 11845480 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-19 [patent_title] => Sill connection for railcar structure [patent_app_type] => utility [patent_app_number] => 17/018359 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7284 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17018359 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018359
Sill connection for railcar structure Sep 10, 2020 Issued
Array ( [id] => 16511872 [patent_doc_number] => 20200391129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => Toy Vehicle Raceways with Clipping Mechanism and Supporting Block Builder [patent_app_type] => utility [patent_app_number] => 17/004223 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17004223 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/004223
Toy Vehicle Raceways with Clipping Mechanism and Supporting Block Builder Aug 26, 2020 Abandoned
Array ( [id] => 16483530 [patent_doc_number] => 20200377130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => RAILROAD CAR AND END DOOR ASSEMBLY THEREFOR [patent_app_type] => utility [patent_app_number] => 16/998588 [patent_app_country] => US [patent_app_date] => 2020-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8169 [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] => 16998588 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/998588
Railroad car and end door assembly therefor Aug 19, 2020 Issued
Array ( [id] => 16628307 [patent_doc_number] => 20210046960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => SYSTEMS AND METHODS FOR WORKER SAFETY [patent_app_type] => utility [patent_app_number] => 16/992929 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16992929 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/992929
SYSTEMS AND METHODS FOR WORKER SAFETY Aug 12, 2020 Abandoned
Array ( [id] => 16628308 [patent_doc_number] => 20210046961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => SYSTEMS AND METHODS FOR WORKER SAFETY [patent_app_type] => utility [patent_app_number] => 16/992934 [patent_app_country] => US [patent_app_date] => 2020-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16992934 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/992934
SYSTEMS AND METHODS FOR WORKER SAFETY Aug 12, 2020 Abandoned
Array ( [id] => 16621041 [patent_doc_number] => 20210039694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => RAIL-BOUND TRACK SECTION EQUIPPED WITH AN AUTOMATIC TRAIN PROTECTION SYSTEM AND METHOD FOR OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 16/988867 [patent_app_country] => US [patent_app_date] => 2020-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16988867 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/988867
Rail-bound track section equipped with an automatic train protection system and method for operating the same Aug 9, 2020 Issued
Array ( [id] => 18336890 [patent_doc_number] => 20230128839 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => ON-LINE ICE-MELTING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/911417 [patent_app_country] => US [patent_app_date] => 2020-08-10 [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] => -9 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17911417 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/911417
Online ice melting apparatus Aug 9, 2020 Issued
Array ( [id] => 17822299 [patent_doc_number] => 11427231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Rail car mover attachment and related method of use [patent_app_type] => utility [patent_app_number] => 16/932200 [patent_app_country] => US [patent_app_date] => 2020-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7733 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16932200 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932200
Rail car mover attachment and related method of use Jul 16, 2020 Issued
Array ( [id] => 16696300 [patent_doc_number] => 10946878 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-03-16 [patent_title] => Wireless slide fence system and method [patent_app_type] => utility [patent_app_number] => 16/928433 [patent_app_country] => US [patent_app_date] => 2020-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7420 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16928433 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/928433
Wireless slide fence system and method Jul 13, 2020 Issued
Array ( [id] => 16360483 [patent_doc_number] => 20200317234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => ADAPTER COMPONENT FOR ADAPTING A COUPLING HEAD, COUPLING HEAD HAVING AN ADAPTER COMPONENT AND A METHOD FOR ADAPTING A COUPLING HEAD [patent_app_type] => utility [patent_app_number] => 16/910630 [patent_app_country] => US [patent_app_date] => 2020-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16910630 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/910630
ADAPTER COMPONENT FOR ADAPTING A COUPLING HEAD, COUPLING HEAD HAVING AN ADAPTER COMPONENT AND A METHOD FOR ADAPTING A COUPLING HEAD Jun 23, 2020 Abandoned
Array ( [id] => 16525756 [patent_doc_number] => 20200399836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => SYSTEMS FOR RAILROAD SWITCH POSITION DETECTION [patent_app_type] => utility [patent_app_number] => 16/946411 [patent_app_country] => US [patent_app_date] => 2020-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9942 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16946411 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/946411
SYSTEMS FOR RAILROAD SWITCH POSITION DETECTION Jun 18, 2020 Pending
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