F01B 11/08
Reciprocating-piston machines or engines without rotary main shaft: with direct fluid transmission
Official title: with direct fluid transmission link
F01B11/08 (Reciprocating-piston machines or engines without rotary main shaft: with direct fluid transmission) appears on 18 US grants and 13 published applications in this corpus.
Search patents in F01B- Granted patents
- 18
- Published applications
- 13
- Assignees
- 9
- Inventors
- 34
- Latest grant
- 23 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Thermodynamic cycle process performing transfer between mechanical and heat energies23 Jan 2024US 11,879,337 B2Sarus GmbH & Co. KG
- Internal combustion engine with split cylinder and free piston and power generation using the same14 Dec 2021US 11,199,126 B2
- Control signals for free-piston engines3 Aug 2021US 11,078,792 B2Regents of the University of Minnesota
- Free-piston engine6 Aug 2019US 10,371,045 B2
- Internal combustion engine and a method of operating an internal combustion engine25 Jul 2017US 9,714,607 B2
- Thermodynamic cycle process performing transfer between mechanical and heat energies7 Jul 2022US 2022/0213790 A1Sarus GmbH & Co. KG
- Pump Engine for Hydraulic Capsule Pipeline30 Jun 2022US 2022/0205384 A1
- Internal combustion engine with split cylinder and free piston and power generation using the same17 Jun 2021US 2021/0180509 A1
- Free-Piston Engine23 May 2019US 2019/0153936 A1
- Control signals for free-piston engines7 Dec 2017US 2017/0350248 A1Regents of the University of Minnesota
Most cited
By later US patents
- Total flow liquid piston engine20US 6,112,522 A2000
- Internal combustion engine with flexible/piston cylinder15US 5,222,466 A1993
- Internal combustion engine system14US 4,057,040 A1977
- Free piston assembly and method for controlling a free piston assembly12US 8,601,988 B2Umc Universal Motor Corporation GmbH · 2013
- Internal combustion engine using several kinds of fuels, with electronically adjustable intake and exhaust valves and injection device10US 4,480,611 A1984