F01L 3/10
Connecting springs to valve members
F01L3/10 (Connecting springs to valve members) appears on 201 US grants and 163 published applications in this corpus.
Search patents in F01L- Granted patents
- 201
- Published applications
- 163
- Assignees
- 121
- Inventors
- 419
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 7 |
| 2002 | 10 | 7 |
| 2003 | 4 | 8 |
| 2004 | 7 | 4 |
| 2005 | 5 | 5 |
| 2006 | 3 | 7 |
| 2007 | 2 | 7 |
| 2008 | 4 | 9 |
| 2009 | 8 | 10 |
| 2010 | 4 | 8 |
| 2011 | 6 | 7 |
| 2012 | 4 | 9 |
| 2013 | 4 | 3 |
| 2014 | 9 | 5 |
| 2015 | 4 | 5 |
| 2016 | 7 | 11 |
| 2017 | 3 | 9 |
| 2018 | 10 | 8 |
| 2019 | 8 | 5 |
| 2020 | 10 | 4 |
| 2021 | 5 | 7 |
| 2022 | 9 | 9 |
| 2023 | 4 | 3 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve for an overhead cam engine and an overhead cam engine assembly27 May 2025US 12,312,982 B1
- Valve bridge stabilizer for engine braking27 May 2025US 12,313,019 B2Eaton Intelligent Power Limited
- Valve train for an internal combustion engine, in particular of a motor vehicle, as well as an internal combustion engine for a motor vehicle12 Nov 2024US 12,140,057 B2Daimler Truck AG
- Retainer gripping device15 Oct 2024US 12,115,607 B2Shinmei Industry Co., Ltd.
- Valve stem seal comprising a valve rotating device30 Jul 2024US 12,049,836 B2Federal-Mogul Valvetrain GmbH
- Hydrogen combustion engine valve sealing25 Jun 2026US 2026/0176990 A1DAF Trucks N. V.
- Valve guide for guiding a valve stem11 Jun 2026US 2026/0160190 A1
- Coaxial valve system16 Oct 2025US 2025/0320827 A1
- Valve bridge stabilizer for engine braking5 Dec 2024US 2024/0401539 A1Eaton Intelligent Power Limited
- Valve Train for an Internal Combustion Engine, in Particular of a Motor Vehicle, as Well as an Internal Combustion Engine for a Motor Vehicle12 Sep 2024US 2024/0301809 A1Daimler Truck AG
Most cited
By later US patents
- Snap-on spring retainer lock53US 3,978,830 ATRW Inc. · 1976
- Method of operating an automotive type internal combustion engine53US 5,224,460 AFord Motor Company · 1993
- Poppet valve for an internal combustion engine39US 5,168,843 A1992
- Integrated lost motion rocker brake with control valve for lost motion clip/reset23US 6,334,429 B12002
- Self-locking valve spring retainer22US 5,143,351 A1992