F02B 75/047
By means of variable crankshaft position
Official title: {by means of variable crankshaft position}
F02B75/047 (By means of variable crankshaft position) appears on 80 US grants and 75 published applications in this corpus.
Search patents in F02B- Granted patents
- 80
- Published applications
- 75
- Assignees
- 28
- Inventors
- 114
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 6 |
| 2006 | 3 | 1 |
| 2007 | 4 | 1 |
| 2008 | 1 | 5 |
| 2009 | 2 | 0 |
| 2010 | 2 | 7 |
| 2011 | 1 | 3 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 2 | 5 |
| 2015 | 1 | 4 |
| 2016 | 4 | 4 |
| 2017 | 3 | 4 |
| 2018 | 4 | 4 |
| 2019 | 6 | 2 |
| 2020 | 3 | 6 |
| 2021 | 6 | 3 |
| 2022 | 6 | 9 |
| 2023 | 4 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable compression ratio device15 Jul 2025US 12,359,629 B2
- Systems and methods for variable compression ratio phaser having a dual torsion spring arrangement30 Apr 2024US 11,970,987 B2HUSCO Automotive Holdings LLC
- Variable compression ratio device23 Jan 2024US 11,879,400 B2
- Control method and control device for internal combustion engine1 Aug 2023US 11,713,726 B2Nissan Motor Co., Ltd.
- Systems and methods for variable compression ratio phaser13 Jun 2023US 11,674,573 B2HUSCO Automotive Holdings LLC
- Variable compression ratio engine25 Dec 2025US 2025/0389221 A1
- Variable compression ratio device16 Oct 2025US 2025/0320836 A1
- Variable compression ratio device2 May 2024US 2024/0141841 A1
- Systems, Devices and Methods for Rich Engine Control26 Oct 2023US 2023/0340919 A1M2X Energy Inc.
- Systems and Methods for Variable Compression Ratio Phaser Having a Dual Torsion Spring Arrangement12 Oct 2023US 2023/0323825 A1HUSCO Automotive Holdings LLC
Most cited
By later US patents
- Combustion engine with variable compression ratio33US 5,329,893 ASaab Automobile Aktiebolag · 1994
- Method and a device for changing the compression ratio in an internal combustion engine33US 5,605,120 AFanja Ltd. · 1997
- Compression ratio control in reciprocating piston engines24US 4,860,702 A1989
- Method and device for varying the compression of an internal combustion engine22US 5,562,069 ASaab Automobile Aktiebolag · 1996
- Structural enclosure of combustion engines for the purpose of reducing engine noise22US 5,611,301 ASaab Automobile Aktiebolag · 1997