F01B 3/0079
Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or
Official title: {having pistons with rotary and reciprocating motion, i.e. spinning pistons}
F01B3/0079 (Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or) appears on 54 US grants and 31 published applications in this corpus.
Search patents in F01B- Granted patents
- 54
- Published applications
- 31
- Assignees
- 19
- Inventors
- 57
- Latest grant
- 7 Mar 2023
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 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 6 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 6 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Converter for converting reciprocating motion into rotary motion, and motor, generator unit, and vehicle7 Mar 2023US 11,598,255 B2
- Rotatable piston assembly29 Mar 2022US 11,286,775 B2Poisedon Fluid Power, LLC
- Hybrid drive system for a motor vehicle, and method of operating a motor vehicle31 Jul 2018US 10,035,413 B2
- Internal combustion butterfly engine29 May 2018US 9,982,593 B1
- External combustion engine17 Oct 2017US 9,790,791 B2Innovative Technological Systems S.R.L.
- Hydraulic rotation assembly and method25 Nov 2021US 2021/0364073 A1B.C. BIKE, Ltd.
- Converter for converting reciprocating motion into rotary motion, and motor, generator unit, and vehicle28 Oct 2021US 2021/0332746 A1
- Hybrid vehicle12 Dec 2019US 2019/0375284 A1Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine12 Dec 2019US 2019/0376447 A1Toyota Jidosha Kabushiki Kaisha
- Rotatable piston assembly18 Apr 2019US 2019/0112926 A1CurAegis Technologies, Inc.
Most cited
By later US patents
- External combustion slidable vane motor with air cushions149US 4,672,813 A1987
- Modular power unit31US 5,351,657 A1994
- External combustion rotary engine30US 4,760,701 A1988
- Hydrodynamic spiral-grooved journal bearing for electromagnetically rotated and reciprocated compressor piston29US 4,799,421 AU. S. Philips Corporation · 1989
- Free-piston electric current generator26US 4,403,153 A1983