Search

Kayla M. Mccaffrey

Examiner (ID: 1034, Phone: (571)272-3438 , Office: P/3745 )

Most Active Art Unit
3745
Art Unit(s)
3745
Total Applications
464
Issued Applications
323
Pending Applications
47
Abandoned Applications
101

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16777553 [patent_doc_number] => 20210114630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => TRANSPORT REFRIGERATION UNIT ADAPTER FRAME FOR RAILWAY CAR INSTALLATION [patent_app_type] => utility [patent_app_number] => 16/949227 [patent_app_country] => US [patent_app_date] => 2020-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16949227 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/949227
TRANSPORT REFRIGERATION UNIT ADAPTER FRAME FOR RAILWAY CAR INSTALLATION Oct 20, 2020 Abandoned
Array ( [id] => 18665554 [patent_doc_number] => 11772421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Vehicle wheel traction assembly [patent_app_type] => utility [patent_app_number] => 17/072123 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 1556 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17072123 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/072123
Vehicle wheel traction assembly Oct 15, 2020 Issued
Array ( [id] => 18152634 [patent_doc_number] => 11565590 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-31 [patent_title] => Rapid descent device for a pantograph [patent_app_type] => utility [patent_app_number] => 17/067966 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 8097 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17067966 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/067966
Rapid descent device for a pantograph Oct 11, 2020 Issued
Array ( [id] => 16749619 [patent_doc_number] => 20210101628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => Magnetic Traction Assist for Railcar Mover [patent_app_type] => utility [patent_app_number] => 17/064321 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5711 [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] => 17064321 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/064321
Magnetic traction assist for railcar mover Oct 5, 2020 Issued
Array ( [id] => 19474253 [patent_doc_number] => 12104331 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Saborage-resistant switch device for moving railroad switch points [patent_app_type] => utility [patent_app_number] => 17/063717 [patent_app_country] => US [patent_app_date] => 2020-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5186 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17063717 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/063717
Saborage-resistant switch device for moving railroad switch points Oct 4, 2020 Issued
Array ( [id] => 17504644 [patent_doc_number] => 20220097746 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => MONITORING OF BARRIER GATES AT LEVEL CROSSINGS [patent_app_type] => utility [patent_app_number] => 17/038587 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4185 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17038587 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/038587
Monitoring of barrier gates at level crossings Sep 29, 2020 Issued
Array ( [id] => 19961215 [patent_doc_number] => 12330694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Rail vehicle [patent_app_type] => utility [patent_app_number] => 17/762812 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1200 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 527 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17762812 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762812
Rail vehicle Sep 28, 2020 Issued
Array ( [id] => 18092604 [patent_doc_number] => 20220410945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => RAILWAY VEHICLE [patent_app_type] => utility [patent_app_number] => 17/763111 [patent_app_country] => US [patent_app_date] => 2020-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17763111 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/763111
RAILWAY VEHICLE Sep 26, 2020 Abandoned
Array ( [id] => 18619793 [patent_doc_number] => 11752818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Rear railgear and railgear pin-off systems [patent_app_type] => utility [patent_app_number] => 17/026073 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 43 [patent_no_of_words] => 12983 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17026073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026073
Rear railgear and railgear pin-off systems Sep 17, 2020 Issued
Array ( [id] => 16711472 [patent_doc_number] => 20210078619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => RAILWAY CONDITION MONITORING DEVICE, RAILWAY VEHICLE BOGIE, RAILWAY VEHICLE, RAILWAY BRAKE CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 17/020303 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17020303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/020303
RAILWAY CONDITION MONITORING DEVICE, RAILWAY VEHICLE BOGIE, RAILWAY VEHICLE, RAILWAY BRAKE CONTROL DEVICE Sep 13, 2020 Abandoned
Array ( [id] => 19353754 [patent_doc_number] => 12054183 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Open top gondola railcar [patent_app_type] => utility [patent_app_number] => 17/018536 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3170 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17018536 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018536
Open top gondola railcar Sep 10, 2020 Issued
Array ( [id] => 18267136 [patent_doc_number] => 20230088378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => WIRELESS POWER TRANSFER SYSTEM, POWER TRANSMISSION DEVICE, AND POWER RECEPTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/754666 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17754666 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/754666
Wireless power transfer system, power transmission device, and power reception device Sep 9, 2020 Issued
Array ( [id] => 16711465 [patent_doc_number] => 20210078612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => GRATE TRACK WITH CENTER HINGE [patent_app_type] => utility [patent_app_number] => 17/016494 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17016494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/016494
GRATE TRACK WITH CENTER HINGE Sep 9, 2020 Abandoned
Array ( [id] => 18383969 [patent_doc_number] => 11654735 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Railgear and automatic mechanical lock for railgear [patent_app_type] => utility [patent_app_number] => 17/001927 [patent_app_country] => US [patent_app_date] => 2020-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 7506 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17001927 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/001927
Railgear and automatic mechanical lock for railgear Aug 24, 2020 Issued
Array ( [id] => 17989798 [patent_doc_number] => 20220355835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => ASSEMBLY FOR POSITIONING A WHEEL OF A RAIL VEHICLE [patent_app_type] => utility [patent_app_number] => 17/769819 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17769819 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/769819
Assembly for positioning a wheel of a rail vehicle Aug 11, 2020 Issued
Array ( [id] => 18526080 [patent_doc_number] => 11713062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Refrigerated boxcar ducted floor [patent_app_type] => utility [patent_app_number] => 16/987608 [patent_app_country] => US [patent_app_date] => 2020-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5265 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 16987608 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/987608
Refrigerated boxcar ducted floor Aug 6, 2020 Issued
Array ( [id] => 18444233 [patent_doc_number] => 11679789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Hopper railcar composite partition [patent_app_type] => utility [patent_app_number] => 16/984698 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 6931 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16984698 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/984698
Hopper railcar composite partition Aug 3, 2020 Issued
Array ( [id] => 18144159 [patent_doc_number] => 20230018010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => RAILWAY SELF-GENERATING EXPRESS FREIGHT CAR BOGIE [patent_app_type] => utility [patent_app_number] => 17/757018 [patent_app_country] => US [patent_app_date] => 2020-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3523 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17757018 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/757018
RAILWAY SELF-GENERATING EXPRESS FREIGHT CAR BOGIE Jul 22, 2020 Abandoned
Array ( [id] => 20143561 [patent_doc_number] => 12377887 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Fire-resistant floor structure of railroad vehicle [patent_app_type] => utility [patent_app_number] => 17/777367 [patent_app_country] => US [patent_app_date] => 2020-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 3360 [patent_no_of_claims] => 7 [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] => 17777367 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/777367
Fire-resistant floor structure of railroad vehicle Jul 8, 2020 Issued
Array ( [id] => 19969291 [patent_doc_number] => 12337881 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-24 [patent_title] => Body bolster structure for railway vehicle, and railway vehicle [patent_app_type] => utility [patent_app_number] => 17/762427 [patent_app_country] => US [patent_app_date] => 2020-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 1114 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17762427 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/762427
Body bolster structure for railway vehicle, and railway vehicle Jul 5, 2020 Issued
Menu