F04B 9/1256
With fluid-actuated inlet or outlet valve
Official title: {with fluid-actuated inlet or outlet valve (mechanically controlled F04B7/00)}
F04B9/1256 (With fluid-actuated inlet or outlet valve) appears on 14 US grants and 13 published applications in this corpus.
Search patents in F04B- Granted patents
- 14
- Published applications
- 13
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 13 Jun 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 3 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reciprocating pump with electronically monitored air valve and piston13 Jun 2017US 9,677,549 B2Graco Minnesota Inc.
- Reciprocating pump with electronically monitored air valve and piston13 Jun 2017US 9,677,550 B2Graco Minnesota Inc.
- Pneumatic piston pump metering and dispense control28 Mar 2017US 9,605,664 B2Ingersoll-Rand Company
- Air motor having a programmable logic controller interface and a method of retrofitting an air motor14 Apr 2015US 9,003,950 B2Ingersoll-Rand Company
- Air motor having ceramic valves21 Jan 2014US 8,632,315 B2Ingersoll-Rand Company
- Reciprocating pump with electronically monitored air valve and piston22 Oct 2015US 2015/0300335 A1Graco Minnesota Inc.
- Pneumatic Piston Pump Metering and Dispense Control9 Jul 2015US 2015/0192115 A1Ingersoll-Rand Company
- Pressure differential pumps19 Mar 2015US 2015/0078919 A1MAG Aerospace Industries, LLC
- Air motor having a programmable logic controller interface and a method of retrofitting an air motor5 Jun 2014US 2014/0154103 A1Ingersoll-Rand Company
- Valve activation in compressed-gas energy storage and recovery systems20 Jun 2013US 2013/0152568 A1
Most cited
By later US patents
- Pneumatically operated hydraulic pump31US 6,386,841 B1Schmidt Kranz & Co. · 2002
- Pressure-operated oil and gas well swabbing device24US 4,986,727 APetro-Well Supply, Inc. · 1991
- Pilot control valve having means for recovering exhaust fluids10US 5,468,127 ACheckpoint Fluidic Systems International, Ltd. · 1995
- Air motor control9US 5,349,895 AMcNeil (Ohio) Corporation · 1994
- Air motor having drop tube with knuckle ends7US 8,632,316 B2Ingersoll-Rand Company · 2014