Erik B. Crawford

Array ( [id] => 16886361 [patent_doc_number] => 20210172557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => PIPE TRAVERSING APPARATUS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/164421 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17164421 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18202662 [patent_doc_number] => 11585048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Method for producing different variants of rails from an assembly set, and system having a vehicle which is movable on a rail component [patent_app_type] => utility [patent_app_number] => 17/158246 [patent_app_country] => US [patent_app_date] => 2021-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4128 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17158246 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19976837 [patent_doc_number] => 12344297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Warning light sensor system for automatically determining a proper operation of a railroad crossing warning system [patent_app_type] => utility [patent_app_number] => 17/157156 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10252 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17157156 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19976837 [patent_doc_number] => 12344297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Warning light sensor system for automatically determining a proper operation of a railroad crossing warning system [patent_app_type] => utility [patent_app_number] => 17/157156 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 10252 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17157156 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18213031 [patent_doc_number] => 20230059295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => WAREHOUSE VEHICLE HAVING A TRACKED DRIVE [patent_app_type] => utility [patent_app_number] => 17/759936 [patent_app_country] => US [patent_app_date] => 2021-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2195 [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] => 17759936 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16808487 [patent_doc_number] => 20210131040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => CONCRETE CROSSTIE [patent_app_type] => utility [patent_app_number] => 17/150433 [patent_app_country] => US [patent_app_date] => 2021-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3581 [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] => 17150433 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18210431 [patent_doc_number] => 20230056693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => BLOCK BOOT FOR RAILWAY TRACK SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/795008 [patent_app_country] => US [patent_app_date] => 2021-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1660 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17795008 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19504465 [patent_doc_number] => 12115872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Contactless power supply system and contactless power supply apparatus [patent_app_type] => utility [patent_app_number] => 17/134636 [patent_app_country] => US [patent_app_date] => 2020-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 42 [patent_no_of_words] => 13740 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17134636 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17687467 [patent_doc_number] => 20220194759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => Gravity-Driven Flow Rack Assemblies [patent_app_type] => utility [patent_app_number] => 17/125046 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17125046 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19608642 [patent_doc_number] => 12157507 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Method for controlling wheel deformation and associated device and system [patent_app_type] => utility [patent_app_number] => 17/119929 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3302 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17119929 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19076131 [patent_doc_number] => 11945480 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Positioning and odometry system [patent_app_type] => utility [patent_app_number] => 17/115348 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 10945 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17115348 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18150160 [patent_doc_number] => 20230024017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => RAILWAY MANAGEMENT SYSTEM WITH BRAKE CALCULATION AND RELATED METHOD [patent_app_type] => utility [patent_app_number] => 17/781756 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10933 [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] => 17781756 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16762851 [patent_doc_number] => 20210108432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => DEVICE FOR EXTRACTION OF A SWIMMING POOL CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 17/108696 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17108696 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18257399 [patent_doc_number] => 20230084439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => UNMANNED AERIAL VEHICLE, SYSTEM, AND CONTROL METHOD [patent_app_type] => utility [patent_app_number] => 17/796770 [patent_app_country] => US [patent_app_date] => 2020-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 138303 [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] => 17796770 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 18158582 [patent_doc_number] => 20230025174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => TRAIN DOOR OPENING DETERMINATION METHOD AND ON-BOARD CONTROLLER [patent_app_type] => utility [patent_app_number] => 17/777888 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17777888 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 20201173 [patent_doc_number] => 12403941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Assembly for increasing the load-bearing capacity of a structural component of a rail vehicle [patent_app_type] => utility [patent_app_number] => 17/794706 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17794706 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 17912673 [patent_doc_number] => 20220315068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Box Underframe End Structure of Railway Vehicle [patent_app_type] => utility [patent_app_number] => 17/598908 [patent_app_country] => US [patent_app_date] => 2020-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17598908 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16807328 [patent_doc_number] => 20210129881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => TECHNIQUES AND ASSOCIATED SYSTEMS AND METHODS FOR DETERMINING TRAIN MOTION CHARACTERISTICS [patent_app_type] => utility [patent_app_number] => 17/090661 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090661 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 16628173 [patent_doc_number] => 20210046826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => LINEAR TRANSPORT SYSTEM, METHOD FOR OPERATING A LINEAR TRANSPORT SYSTEM, AND CONTACTLESSLY TRANSMITTING POWER AND DATA SYSTEM [patent_app_type] => utility [patent_app_number] => 17/085532 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7126 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17085532 [rel_patent_id] =>[rel_patent_doc_number] =>)

Array ( [id] => 19226550 [patent_doc_number] => 12006183 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Mounting brackets for cord reels [patent_app_type] => utility [patent_app_number] => 17/077342 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2206 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17077342 [rel_patent_id] =>[rel_patent_doc_number] =>)