F02B 75/045
By means of a variable connecting rod length
Official title: {by means of a variable connecting rod length}
F02B75/045 (By means of a variable connecting rod length) appears on 378 US grants and 385 published applications in this corpus.
Search patents in F02B- Granted patents
- 378
- Published applications
- 385
- Assignees
- 87
- Inventors
- 521
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 13 | 10 |
| 2003 | 15 | 8 |
| 2004 | 11 | 11 |
| 2005 | 6 | 7 |
| 2006 | 5 | 2 |
| 2007 | 6 | 4 |
| 2008 | 3 | 8 |
| 2009 | 8 | 13 |
| 2010 | 6 | 10 |
| 2011 | 6 | 6 |
| 2012 | 4 | 11 |
| 2013 | 3 | 7 |
| 2014 | 15 | 11 |
| 2015 | 7 | 26 |
| 2016 | 18 | 32 |
| 2017 | 22 | 45 |
| 2018 | 36 | 60 |
| 2019 | 50 | 38 |
| 2020 | 52 | 37 |
| 2021 | 36 | 25 |
| 2022 | 19 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 3 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual piston based gensets for vehicle electrification16 Jun 2026US 12,655,787 B2ePower Mobility LLC
- Work vehicle power system with dynamic auto-ignition assistance compression ratios17 Feb 2026US 12,553,395 B2Deere & Company
- Piston—crankshaft connecting means for internal combustion engine30 Jul 2024US 12,049,960 B2
- Lower link of internal combustion engine28 May 2024US 11,994,046 B2Nissan Motor Co., Ltd.
- Engine with high torque mechanism28 May 2024US 11,994,060 B2International Engine Intellectual Property Company, LLC
- Continuously Variable Displacement and Variable Compression Ratio Mechanism and an Engine Provided with the Same16 Apr 2026US 2026/0104005 A1Hyundai Motor Company
- Dual piston based gensets for vehicle electrification20 Mar 2025US 2025/0092819 A1ePower Mobility LLC
- Dual-connection crank-piston mechanism3 Oct 2024US 2024/0328347 A1Sichuan Beixin Hongneng Technology Research Institute
- Work vehicle power system with dynamic auto-ignition assistance compression ratios27 Jun 2024US 2024/0209805 A1Deere & Company
- Lower link of internal combustion engine1 Feb 2024US 2024/0035401 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Variable displacement and compression ratio piston engine50US 5,136,987 AFord Motor Company · 1992
- Variable compression ratio apparatus for internal combustion engine44US 5,146,879 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1992
- Connecting rod42US 5,724,863 ADaimler-Benz Aktiengesellschaft · 1998
- Engine knock prevention system and method42US 6,553,949 B1Ford Global Technologies, LLC · 2003
- Compression ratio changing device in internal combustion engine41US 5,562,068 AHonda Giken Kogyo Kabushiki Kaisha · 1996