B61H 15/0057
With screw-thread and nut
Official title: {with screw-thread and nut}
B61H15/0057 (With screw-thread and nut) appears on 12 US grants and 14 published applications in this corpus.
Search patents in B61H- Granted patents
- 12
- Published applications
- 14
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 27 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 4 |
| 2016 | 1 | 3 |
| 2017 | 4 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
By publication year.
Recent patents
- Slack adjuster for a brake system27 Dec 2022US 11,536,337 B2Westinghouse Air Brake Technologies Corporation
- Slack adjuster main spring housing contaminant sump2 Aug 2022US 11,401,991 B2Westinghouse Air Brake Technologies Corporation
- Slack adjuster main spring housing contaminant sump16 Mar 2021US 10,948,038 B2Westinghouse Air Brake Technologies Corporation
- Slack adjuster for a brake system with increased take-up capacity18 Feb 2020US 10,562,550 B2Westinghouse Air Brake Technologies Corporation
- Truck mounted braking system for a railway car8 Oct 2019US 10,435,047 B2Strato, Inc.
- Slack adjuster main spring housing contaminant sump20 May 2021US 2021/0148426 A1Westinghouse Air Brake Technologies Corporation
- Slack adjuster for a brake system30 Apr 2020US 2020/0132148 A1Westinghouse Air Brake Technologies Corporation
- Slack adjuster main spring housing contaminant sump10 Oct 2019US 2019/0309812 A1Westinghouse Air Brake Technologies Corporation
- Truck mounted braking system for a railway car31 Jan 2019US 2019/0031215 A1Strato, Inc.
- Slack Adjuster for a Brake System With Increased Take-Up Capacity22 Feb 2018US 2018/0050710 A1Westinghouse Air Brake Technologies Corporation
Most cited
By later US patents
- Slack adjuster contaminant mitigation device3US 9,540,021 B2Wabtec Holding Corp. · 2017
- Slack adjuster for a brake system with increased take-up capacity2US 10,562,550 B2Westinghouse Air Brake Technologies Corporation · 2020
- Slack adjuster having a one piece housing2US 9,327,739 B2New York Air Brake Corporation · 2016
- Slack adjuster contaminant sump, drain, and overload relief2US 9,676,401 B2Wabtec Holding Corp. · 2017
- Vented draining slack adjuster end cap1US 9,834,232 B2Westinghouse Air Brake Technologies Corporation · 2017