F01B 31/28
Cylinders or cylinder covers
F01B31/28 (Cylinders or cylinder covers) appears on 14 US grants and 9 published applications in this corpus.
Search patents in F01B- Granted patents
- 14
- Published applications
- 9
- Assignees
- 8
- Inventors
- 25
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Composite actuator systems and methods of making the same31 Dec 2024US 12,180,837 B1Goodrich Corporation
- Systems and methods for a piston engine including a recirculating system using supercritical carbon dioxide10 Jan 2023US 11,549,370 B2
- Systems and methods for a piston engine including a recirculating system using supercritical carbon dioxide13 Apr 2021US 10,975,697 B2
- Closed cycle engine power structure and power generation method13 Apr 2021US 10,975,698 B2
- Attitude-supporting apparatus of wearable robot and attitude-supporting method using the same17 Dec 2019US 10,507,575 B2Hyundai Motor Company
- Systems and Methods for a Piston Engine Including a Recirculating System Using Supercritical Carbon Dioxide15 Jul 2021US 2021/0215045 A1
- Systems and Methods for a Piston Engine Including a Recirculating System Using Supercritical Carbon Dioxide11 Mar 2021US 2021/0071529 A1
- Closed cycle engine power structure and power generation method13 Feb 2020US 2020/0049009 A1
- Attitude-supporting apparatus of wearable robot and attitude-supporting method using the same1 Mar 2018US 2018/0056501 A1Hyundai Motor Company
- Sliding component and method for producing the same22 Feb 2018US 2018/0051693 A1Komatsu Ltd.
Most cited
By later US patents
- High efficiency steam engine, steam expander and improved valves therefor9US 9,316,130 B1Thermal Power Recovery LLC · 2016
- High efficiency steam engine and steam expander6US 9,828,886 B1Thermal Power Recovery LLC · 2017
- Computer controlled hydraulic bleed sequence3US 10,299,423 B2CNH Industrial Canada, Ltd. · 2019
- Joint sealing for engine housings3US 4,080,121 ACaterpillar Tractor Co. · 1978
- Systems and methods for a piston engine including a recirculating system using supercritical carbon dioxide2US 10,975,697 B22021