F16D 2121/10
For releasing a normally applied brake
Official title: for releasing a normally applied brake
F16D2121/10 (For releasing a normally applied brake) appears on 34 US grants and 40 published applications in this corpus.
Search patents in F16D- Granted patents
- 34
- Published applications
- 40
- Assignees
- 22
- Inventors
- 82
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 5 |
| 2014 | 2 | 2 |
| 2015 | 4 | 1 |
| 2016 | 1 | 3 |
| 2017 | 3 | 5 |
| 2018 | 1 | 7 |
| 2019 | 7 | 1 |
| 2020 | 3 | 2 |
| 2021 | 4 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 2 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Spring brake actuator and retaining device for such spring brake actuator24 Feb 2026US 12,559,082 B2Zf Cv Systems Europe BV
- Spring brake actuator for a vehicle, in particular parking or emergency brake actuator for use in a commercial vehicle19 Nov 2024US 12,145,553 B2ZF Commercial Vehicle Control Systems India Limited
- Electropneumatic parking brake arrangement having a shut-off valve and method for controlling an electronically controlled pneumatic brake system2 Jan 2024US 11,858,483 B2Zf Cv Systems Europe BV
- Sealing assembly for a spring brake actuator14 Nov 2023US 11,814,023 B2Bendix Commercial Vehicle Systems LLC
- Brake system22 Aug 2023US 11,731,601 B2Kabushiki Kaisha Toyota Jidoshokki
- Brake cylinder for a vehicle brake14 May 2026US 2026/0131774 A1SAF-HOLLAND GmbH
- Braking System and Braking System Provision Method22 Jan 2026US 2026/0022748 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Spring brake actuators18 Dec 2025US 2025/0381944 A1TSE Brakes, Inc.
- Brake Actuator16 May 2024US 2024/0159283 A1KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
- Air Brake System Having an Improved Anti-Compounding Function12 Jan 2023US 2023/0007848 A1Bendix Commercial Vehicle Systems LLC
Most cited
By later US patents
- Crimped sealed adapter bushing assembly for a double diaphragm spring brake actuator12US 5,829,339 ATSE Brakes, Inc. · 1998
- Pneumatic brake actuator with flow insensitive two way control valve8US 8,978,839 B2Haldex Brake Products AB · 2015
- Pneumatic brake actuator chamber with rotationally positionable housing7US 9,050,958 B2TSE Brakes, Inc. · 2015
- Deflection spring pneumatic actuator6US 9,297,392 B2TSE Brakes, Inc. · 2016
- Parking brake chamber internal breathing system5US 8,714,318 B2Bendix Spicer Foundation Brake LLC · 2014