F04B 27/047
With an actuating element at the outer ends of the cylinders
Official title: with an actuating element at the outer ends of the cylinders
F04B27/047 (With an actuating element at the outer ends of the cylinders) appears on 6 US grants and 5 published applications in this corpus.
Search patents in F04B- Granted patents
- 6
- Published applications
- 5
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 24 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Engine compressor unit24 Mar 2020US 10,598,168 B2
- Gas boosters24 Feb 2015US 8,959,906 B2Fluke Corporation
- Rotating and reciprocating piston device12 Aug 2014US 8,800,501 B2
- Air discharging apparatus and image forming apparatus20 Mar 2012US 8,139,973 B2Ricoh Company, Ltd.
- Zero leakage valveless positive fluid displacement device19 Dec 2000US 6,162,030 AEncyNova International, Inc.
- Engine Compressor Unit7 Sep 2017US 2017/0254320 A1
- Gas boosters27 Dec 2012US 2012/0325080 A1Fluke Corporation
- Rotating and reciprocating piston device26 Jan 2012US 2012/0020823 A1
- Air discharging apparatus and image forming apparatus5 Nov 2009US 2009/0274493 A1Ricoh Company, Ltd.
- Engine/pump of a pneumatic type for motor vehicles, a propulsion system including this engine, and a motor vehicle using this system4 Nov 2004US 2004/0219031 A1Sista Evoluzione S.R.L.
Most cited
By later US patents
- Disposable package dispenser having a pressure release channel44US 4,162,030 AJ. Claybrook Lewis and Associates, Ltd. · 1979
- Zero leakage valveless positive fluid displacement device20US 6,162,030 AEncyNova International, Inc. · 2000
- Air discharging apparatus and image forming apparatus3US 8,139,973 B2Ricoh Company, Ltd. · 2012
- Gas boosters3US 8,959,906 B2Fluke Corporation · 2015