F04B 49/126
With a double eccenter mechanism
Official title: {with a double eccenter mechanism}
F04B49/126 (With a double eccenter mechanism) appears on 44 US grants and 22 published applications in this corpus.
Search patents in F04B- Granted patents
- 44
- Published applications
- 22
- Assignees
- 22
- Inventors
- 81
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Direct control variable displacement pump with dual-function high-pressure relief valve- pressure regulating valve26 Aug 2025US 12,398,682 B1Hamilton Sundstrand Corporation
- Positive displacement pump controller and method of operation29 Aug 2023US 11,739,739 B2Graco Minnesota Inc.
- Positive displacement pump controller and method of operation27 Sep 2022US 11,454,224 B2Graco Minnesota Inc.
- Piston pump assembly comprising piston with variable stroke and vehicle braking system comprising the same1 Sep 2020US 10,760,555 B2Mando Corporation
- Variable displacement reciprocating pump11 Mar 2014US 8,668,466 B2Serva Corporation
- Direct control variable displacement pump with dual-function high-pressure relief valve-pressure regulating valve28 Aug 2025US 2025/0270961 A1Hamilton Sundstrand Corporation
- Positive displacement pump controller and method of operation19 Jan 2023US 2023/0015141 A1Graco Minnesota Inc.
- Positive displacement pump controller and method of operation31 Dec 2020US 2020/0408200 A1Graco Minnesota Inc.
- Piston pump assembly comprising piston with variable stroke and vehicle braking system comprising the same25 Oct 2018US 2018/0306172 A1Mando Corporation
- Drive device for oscillating positive-displacement machines26 Apr 2012US 2012/0097025 A1ProMinent Dosiertechnik GmbH
Most cited
By later US patents
- Radial piston fluid machine and/or adjustable rotor116US 5,634,777 A1997
- Pump for soil fumigant89US 4,141,676 AJohn Blue Company Division of Subscription Television, Inc. · 1979
- Two stage reciprocating compressors and associated HVAC system and methods47US 6,389,823 B1Bristol Compressors, Inc. · 2002
- Two stage reciprocating compressors and associated HVAC systems and methods35US 6,132,177 ABristol Compressors, Inc. · 2000
- Dual capacity compressor with reversible motor and controls arrangement therefor33US 4,248,053 AWestinghouse Electric Corp. · 1981