F15B 1/18
Anti-extrusion means
F15B1/18 (Anti-extrusion means) appears on 29 US grants and 9 published applications in this corpus.
Search patents in F15B- Granted patents
- 29
- Published applications
- 9
- Assignees
- 18
- Inventors
- 40
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydraulic supply system for a vehicle21 Jan 2025US 12,203,458 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Accumulator19 Oct 2021US 11,149,754 B2Eagle Industry Co., Ltd.
- Pressure accumulator and percussion device25 Apr 2017US 9,630,306 B2Construction Tools PC AB
- Hydro-pneumatic pressure vessel29 Oct 2013US 8,567,636 B2
- Hydraulic pressure accumulator5 May 2009US 7,527,074 B1The United States of America as represented by the Administrator of the United States Enviromental Protection Agency
- Bellows Accumulator2 Oct 2025US 2025/0305520 A1Hydac Technology GmbH
- Hydraulic supply system for a vehicle21 Jul 2022US 2022/0228582 A1Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Accumulator27 May 2021US 2021/0156402 A1Eagle Industry Co., Ltd.
- Accumulator13 May 2021US 2021/0140449 A1Eagle Industry Co., Ltd.
- Pressure accumulator and percussion device26 Feb 2015US 2015/0053076 A1Construction Tools PC AB
Most cited
By later US patents
- Inline bladder-type accumulator for downhole applications61US 7,353,845 B2Smith International, Inc. · 2008
- Hydraulic hybrid accumulator shut-off valve32US 6,619,325 B2The United States of America as represented by the Administrator of the U. S. Environmental Protection Agency · 2003
- Hydraulically operated percussive machine and an accumulator therefor21US 4,676,323 AAtlas Copco Aktiebolag · 1987
- Hydro-pneumatic flexible bladder accumulator19US 4,162,692 AHydrotrole Limited · 1979
- Hydraulic accumulator18US 3,948,288 AGardner-Denver Company · 1976