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] => 19826590 [patent_doc_number] => 12247358 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-11 [patent_title] => Rail [patent_app_type] => utility [patent_app_number] => 17/432607 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 15071 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432607
Rail Mar 1, 2020 Issued
Array ( [id] => 17578040 [patent_doc_number] => 20220134895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => CONTROLLING AN ELECTRICAL SUPPLY TO AN APPLIANCE [patent_app_type] => utility [patent_app_number] => 17/434922 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6966 [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] => 17434922 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/434922
CONTROLLING AN ELECTRICAL SUPPLY TO AN APPLIANCE Feb 18, 2020 Abandoned
Array ( [id] => 17603865 [patent_doc_number] => 11332335 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Reeling shaft transfer rail system and method of transferring reeling shafts on a reeling shaft transfer rail system [patent_app_type] => utility [patent_app_number] => 16/792638 [patent_app_country] => US [patent_app_date] => 2020-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5004 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16792638 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/792638
Reeling shaft transfer rail system and method of transferring reeling shafts on a reeling shaft transfer rail system Feb 16, 2020 Issued
Array ( [id] => 18384174 [patent_doc_number] => 11654940 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Stop for a rail [patent_app_type] => utility [patent_app_number] => 16/787538 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 12155 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787538 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787538
Stop for a rail Feb 10, 2020 Issued
Array ( [id] => 20356866 [patent_doc_number] => 12472847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Hanger supporting of a suspended contact wire of a supply electric aerial railway line and an electric aerial railway line comprising said hanger [patent_app_type] => utility [patent_app_number] => 17/427204 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17427204 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/427204
Hanger supporting of a suspended contact wire of a supply electric aerial railway line and an electric aerial railway line comprising said hanger Feb 5, 2020 Issued
Array ( [id] => 17006623 [patent_doc_number] => 20210237784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => ULTRA-WIDEBAND WORK TRAIN PROTECTION [patent_app_type] => utility [patent_app_number] => 16/778529 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16778529 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/778529
ULTRA-WIDEBAND WORK TRAIN PROTECTION Jan 30, 2020 Abandoned
Array ( [id] => 16650353 [patent_doc_number] => 10927518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Third rail heater control system [patent_app_type] => utility [patent_app_number] => 16/778793 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 5482 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16778793 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/778793
Third rail heater control system Jan 30, 2020 Issued
Array ( [id] => 18793503 [patent_doc_number] => 11827253 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => System and method for docking or undocking a track-wheel based device [patent_app_type] => utility [patent_app_number] => 16/777058 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5314 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777058 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777058
System and method for docking or undocking a track-wheel based device Jan 29, 2020 Issued
Array ( [id] => 16991292 [patent_doc_number] => 20210229712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => SELECTIVE CUSHION UNIT YOKE WITH INTEGRAL DRAFT GEAR HOUSING [patent_app_type] => utility [patent_app_number] => 16/774290 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3950 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16774290 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/774290
Selective cushion unit yoke with integral draft gear housing Jan 27, 2020 Issued
Array ( [id] => 17470114 [patent_doc_number] => 11276597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Transport vehicle [patent_app_type] => utility [patent_app_number] => 16/774121 [patent_app_country] => US [patent_app_date] => 2020-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 6454 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16774121 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/774121
Transport vehicle Jan 27, 2020 Issued
Array ( [id] => 18044480 [patent_doc_number] => 11518419 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-06 [patent_title] => Continuous serpentine concrete beamway forming system and a method for creating a hollow continuous serpentine concrete beamway [patent_app_type] => utility [patent_app_number] => 16/752949 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 12854 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 16752949 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/752949
Continuous serpentine concrete beamway forming system and a method for creating a hollow continuous serpentine concrete beamway Jan 26, 2020 Issued
Array ( [id] => 17443412 [patent_doc_number] => 20220063917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => CONVEYED-GOODS CONTAINER FOR AN OVERHEAD CONVEYOR, AND UNLOADING STATION FOR UNLOADING SAME [patent_app_type] => utility [patent_app_number] => 17/423241 [patent_app_country] => US [patent_app_date] => 2020-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15157 [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] => 17423241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/423241
Conveyed-goods container for an overhead conveyor, and unloading station for unloading same Jan 22, 2020 Issued
Array ( [id] => 20357019 [patent_doc_number] => 12473001 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Anti-collision method and apparatus for trains in cooperative formation [patent_app_type] => utility [patent_app_number] => 17/774491 [patent_app_country] => US [patent_app_date] => 2020-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2649 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 483 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17774491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/774491
Anti-collision method and apparatus for trains in cooperative formation Jan 21, 2020 Issued
Array ( [id] => 17587370 [patent_doc_number] => 11325620 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Portable rope tow assembly [patent_app_type] => utility [patent_app_number] => 16/742049 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 4173 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16742049 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/742049
Portable rope tow assembly Jan 13, 2020 Issued
Array ( [id] => 16176673 [patent_doc_number] => 20200223641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => ARTICLE CONVEYANCE APPARATUS [patent_app_type] => utility [patent_app_number] => 16/738045 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16738045 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/738045
Article conveyance apparatus Jan 8, 2020 Issued
Array ( [id] => 16915241 [patent_doc_number] => 20210188333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Vehicle Monitoring System [patent_app_type] => utility [patent_app_number] => 16/725504 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6365 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16725504 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/725504
Vehicle monitoring system Dec 22, 2019 Issued
Array ( [id] => 18504170 [patent_doc_number] => 11701970 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Systems and methods for controlled traversal of phase breaks [patent_app_type] => utility [patent_app_number] => 16/723648 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6569 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16723648 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/723648
Systems and methods for controlled traversal of phase breaks Dec 19, 2019 Issued
Array ( [id] => 17822296 [patent_doc_number] => 11427228 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Integrated motor-gear box wheel hub drive [patent_app_type] => utility [patent_app_number] => 16/722025 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3547 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16722025 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/722025
Integrated motor-gear box wheel hub drive Dec 19, 2019 Issued
Array ( [id] => 16110723 [patent_doc_number] => 20200207384 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => SYSTEMS AND METHODS FOR DISPLAYING VIRTUAL RAILROAD SIGNS [patent_app_type] => utility [patent_app_number] => 16/721813 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8819 [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] => 16721813 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/721813
SYSTEMS AND METHODS FOR DISPLAYING VIRTUAL RAILROAD SIGNS Dec 18, 2019 Abandoned
Array ( [id] => 18852972 [patent_doc_number] => 11850529 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Indoor zip coaster with stations [patent_app_type] => utility [patent_app_number] => 16/720734 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 4197 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720734 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/720734
Indoor zip coaster with stations Dec 18, 2019 Issued
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