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] => 20172562 [patent_doc_number] => 12391291 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Dual gauge rail wheel assembly [patent_app_type] => utility [patent_app_number] => 17/474826 [patent_app_country] => US [patent_app_date] => 2021-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 1140 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17474826 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/474826
Dual gauge rail wheel assembly Sep 13, 2021 Issued
Array ( [id] => 18785504 [patent_doc_number] => 20230373311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => ZIP LINE TROLLEY WITH MAGNETIC EDDY CURRENT BRAKING AND HEAT DISSIPATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/042665 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18042665 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042665
ZIP LINE TROLLEY WITH MAGNETIC EDDY CURRENT BRAKING AND HEAT DISSIPATION SYSTEM Sep 9, 2021 Pending
Array ( [id] => 19839971 [patent_doc_number] => 12252339 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Article transport vehicle and article transport facility [patent_app_type] => utility [patent_app_number] => 17/461706 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7486 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17461706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/461706
Article transport vehicle and article transport facility Aug 29, 2021 Issued
Array ( [id] => 18708686 [patent_doc_number] => 20230331272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => SENSOR TO SENSOR EDGE TRAFFIC INFERENCE, SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/042536 [patent_app_country] => US [patent_app_date] => 2021-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18042536 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042536
SENSOR TO SENSOR EDGE TRAFFIC INFERENCE, SYSTEM AND METHOD Aug 24, 2021 Pending
Array ( [id] => 19445105 [patent_doc_number] => 12095401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Dynamic load system and method for simulating a crossing gate mechanism [patent_app_type] => utility [patent_app_number] => 17/358143 [patent_app_country] => US [patent_app_date] => 2021-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4177 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17358143 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/358143
Dynamic load system and method for simulating a crossing gate mechanism Jun 24, 2021 Issued
Array ( [id] => 18692048 [patent_doc_number] => 20230322275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => LINEAR TRANSPORT APPARATUS [patent_app_type] => utility [patent_app_number] => 18/035932 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5182 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18035932 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035932
Linear transport apparatus Jun 16, 2021 Issued
Array ( [id] => 17587373 [patent_doc_number] => 11325624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Electric rail vehicle [patent_app_type] => utility [patent_app_number] => 17/335732 [patent_app_country] => US [patent_app_date] => 2021-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 51 [patent_no_of_words] => 11372 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17335732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/335732
Electric rail vehicle May 31, 2021 Issued
Array ( [id] => 20433021 [patent_doc_number] => 12503144 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => High throughput transportation system with seamless carriage switching between tracks along the vertical plane [patent_app_type] => utility [patent_app_number] => 17/999156 [patent_app_country] => US [patent_app_date] => 2021-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 25 [patent_no_of_words] => 8775 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17999156 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/999156
High throughput transportation system with seamless carriage switching between tracks along the vertical plane May 23, 2021 Issued
Array ( [id] => 17243008 [patent_doc_number] => 20210362751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => METHOD AND SYSTEM FOR VEHICLE TRACTION [patent_app_type] => utility [patent_app_number] => 17/324884 [patent_app_country] => US [patent_app_date] => 2021-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17324884 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/324884
METHOD AND SYSTEM FOR VEHICLE TRACTION May 18, 2021 Pending
Array ( [id] => 19353632 [patent_doc_number] => 12054059 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Method for activating a powering segment in an electric road system and an electric road system [patent_app_type] => utility [patent_app_number] => 17/318361 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 7841 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17318361 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318361
Method for activating a powering segment in an electric road system and an electric road system May 11, 2021 Issued
Array ( [id] => 18004371 [patent_doc_number] => 20220363137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => SYSTEM FOR WIRELESS POWER TRANSFER TO A MOBILE ROBOT [patent_app_type] => utility [patent_app_number] => 17/317590 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5084 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17317590 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/317590
SYSTEM FOR WIRELESS POWER TRANSFER TO A MOBILE ROBOT May 10, 2021 Abandoned
Array ( [id] => 17036192 [patent_doc_number] => 20210253150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Method & apparatus for autonomous train control system [patent_app_type] => utility [patent_app_number] => 17/300250 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36275 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17300250 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/300250
Method and apparatus for autonomous train control system Apr 27, 2021 Issued
Array ( [id] => 18257923 [patent_doc_number] => 20230084963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => DEVICE, SYSTEM AND METHOD FOR DETECTING LEAKAGE CURRENT FOR TRACTION POWER SYSTEM [patent_app_type] => utility [patent_app_number] => 17/917480 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6014 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17917480 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/917480
Device, system and method for detecting leakage current for traction power system Apr 8, 2021 Issued
Array ( [id] => 18537070 [patent_doc_number] => 20230242162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => Cableway Vehicle Having Crossing Apparatus [patent_app_type] => utility [patent_app_number] => 17/999719 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17999719 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/999719
Cableway Vehicle Having Crossing Apparatus Mar 25, 2021 Pending
Array ( [id] => 18523967 [patent_doc_number] => 20230234624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => DEVICE FOR DEFLECTION OF A COUPLER OF A TRAIN VEHICLE, COUPLER OF A TRAIN, CAR OF A MULTI-CAR VEHICLE AND METHOD FOR COUPLING A FIRST CAR OF A MULTI-CAR VEHICLE TO A SECOND CAR OF A MULTI-CAR VEHICLE [patent_app_type] => utility [patent_app_number] => 18/011778 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18011778 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/011778
DEVICE FOR DEFLECTION OF A COUPLER OF A TRAIN VEHICLE, COUPLER OF A TRAIN, CAR OF A MULTI-CAR VEHICLE AND METHOD FOR COUPLING A FIRST CAR OF A MULTI-CAR VEHICLE TO A SECOND CAR OF A MULTI-CAR VEHICLE Mar 17, 2021 Pending
Array ( [id] => 18887314 [patent_doc_number] => 11866075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Method for monitoring the position of a parked rail vehicle, and computer program, in particular for a train safety system [patent_app_type] => utility [patent_app_number] => 17/916192 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6209 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17916192 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/916192
Method for monitoring the position of a parked rail vehicle, and computer program, in particular for a train safety system Feb 28, 2021 Issued
Array ( [id] => 20144398 [patent_doc_number] => 12378730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Rail clamp handling arrangement [patent_app_type] => utility [patent_app_number] => 17/798413 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17798413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/798413
Rail clamp handling arrangement Feb 11, 2021 Issued
Array ( [id] => 20144398 [patent_doc_number] => 12378730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Rail clamp handling arrangement [patent_app_type] => utility [patent_app_number] => 17/798413 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17798413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/798413
Rail clamp handling arrangement Feb 11, 2021 Issued
Array ( [id] => 20144398 [patent_doc_number] => 12378730 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Rail clamp handling arrangement [patent_app_type] => utility [patent_app_number] => 17/798413 [patent_app_country] => US [patent_app_date] => 2021-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17798413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/798413
Rail clamp handling arrangement Feb 11, 2021 Issued
Array ( [id] => 17776118 [patent_doc_number] => 20220242467 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => SYSTEM AND METHOD FOR REAL-TIME DETECTION OF TRAINS [patent_app_type] => utility [patent_app_number] => 17/165152 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17165152 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/165152
System and method for real-time detection of trains Feb 1, 2021 Issued
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