F04B 1/184
Cylindrical distribution members
F04B1/184 (Cylindrical distribution members) appears on 12 US grants and 4 published applications in this corpus.
Search patents in F04B- Granted patents
- 12
- Published applications
- 4
- Assignees
- 10
- Inventors
- 32
- Latest grant
- 23 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 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 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cover, fluid end and plunger pump23 Jul 2024US 12,044,234 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Fluid end block for frac pump18 Jan 2022US 11,225,861 B1KHOLLE Magnolia 2015, LLC
- High pressure pumps having a check valve keeper and associated systems and methods20 Oct 2020US 10,808,688 B1OMAX Corporation
- Hydraulic arrangement4 Dec 2018US 10,145,366 B2Danfoss A/S
- Piston type compressor18 Oct 2016US 9,470,224 B2Kabushiki Kaisha Toyota Jidoshokki
- Cover, fluid end and plunger pump4 May 2023US 2023/0138582 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Hydraulic arrangement11 Aug 2016US 2016/0230761 A1Danfoss A/S
- Piston-type compressor8 May 2014US 2014/0127061 A1Kabushiki Kaisha Toyota Jidoshokki
- Positive-Displacement Pump Including a Pressure Absorber28 Jun 2012US 2012/0164013 A1Compagnie Generale Des Etablissements Michelin
Most cited
By later US patents
- High pressure pumps having a check valve keeper and associated systems and methods14US 10,808,688 B1OMAX Corporation · 2020
- Fluid end block for frac pump11US 11,225,861 B1KHOLLE Magnolia 2015, LLC · 2022
- Positive-displacement pump10US 5,655,891 ASedepro · 1997
- Hydraulic swash plate pumps9US 3,981,630 A1976
- Hydraulic power transfer unit6US 4,286,927 AMcDonnell Douglas Corporation · 1981