F01L 13/065
Compression release engine retarders of the "jacobs manufacturing" type
Official title: {Compression release engine retarders of the "Jacobs Manufacturing" type}
F01L13/065 (Compression release engine retarders of the "jacobs manufacturing" type) appears on 426 US grants and 356 published applications in this corpus.
Search patents in F01L- Granted patents
- 426
- Published applications
- 356
- Assignees
- 87
- Inventors
- 509
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 14 | 3 |
| 2002 | 12 | 5 |
| 2003 | 11 | 17 |
| 2004 | 9 | 14 |
| 2005 | 8 | 15 |
| 2006 | 14 | 5 |
| 2007 | 4 | 5 |
| 2008 | 4 | 7 |
| 2009 | 7 | 6 |
| 2010 | 5 | 11 |
| 2011 | 9 | 11 |
| 2012 | 9 | 8 |
| 2013 | 4 | 6 |
| 2014 | 9 | 9 |
| 2015 | 5 | 9 |
| 2016 | 11 | 11 |
| 2017 | 7 | 12 |
| 2018 | 8 | 14 |
| 2019 | 9 | 28 |
| 2020 | 39 | 32 |
| 2021 | 27 | 29 |
| 2022 | 33 | 19 |
| 2023 | 17 | 20 |
| 2024 | 26 | 30 |
| 2025 | 23 | 24 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-contained compression brake control module for integrated rocker arm engine braking and methods28 Apr 2026US 12,612,869 B2Pacbrake Company
- Rocker arm assembly7 Apr 2026US 12,595,753 B2Eaton Intelligent Power Limited
- Rocker arm for brake with integrated hydraulic capsule7 Apr 2026US 12,595,755 B2Eaton Intelligent Power Limited
- Reset valve for compression release brake24 Mar 2026US 12,584,427 B2Cummins Inc.
- Hydraulic lash adjustment-compatible engine braking system with guided bridge arrangement17 Mar 2026US 12,577,892 B2Eaton Intelligent Power Limited
- Method to shut down an internal combustion engine27 Aug 2026US 2026/0251095 A1Volvo Truck Corporation
- Engine braking device with returning and limiting functions and engine30 Jul 2026US 2026/0218633 A1Zhejiang Liming Intelligent Manufacturing Co., Ltd.
- Valve bridge for a valve train of an internal combustion engine, especially of a motor vehicle, and internal combustion engine21 May 2026US 2026/0139613 A1Daimler Truck AG
- Bridgeless, single output, coupled hydraulic rocker arm26 Mar 2026US 2026/0085625 A1
- Engine, a method of operating an engine, and a controller12 Mar 2026US 2026/0071560 A1Cummins Inc.
Most cited
By later US patents
- Vehicle operating method and system115US 6,223,846 B12001
- Process and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycle103US 4,572,114 AThe Jacobs Manufacturing Company · 1986
- Internal combustion engines with combined cam and electro-hydraulic engine valve control86US 5,680,841 ADiesel Engine Retarders, Inc. · 1997
- System and method for controlling the amount of lost motion between an engine valve and a valve actuation means83US 5,829,397 ADiesel Engine Retarders, Inc. · 1998
- Multi-cylinder diesel engine with variable valve actuation74US 6,237,551 B1C. R. F. Societa Consortile per Azioni · 2001