F15B 1/10
With flexible separating means
Official title: with flexible separating means
F15B1/10 (With flexible separating means) appears on 326 US grants and 222 published applications in this corpus.
Search patents in F15B- Granted patents
- 326
- Published applications
- 222
- Assignees
- 146
- Inventors
- 474
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 5 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 2 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 0 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 5 |
| 2003 | 10 | 9 |
| 2004 | 7 | 13 |
| 2005 | 13 | 8 |
| 2006 | 6 | 3 |
| 2007 | 1 | 8 |
| 2008 | 8 | 3 |
| 2009 | 5 | 6 |
| 2010 | 4 | 11 |
| 2011 | 3 | 5 |
| 2012 | 5 | 11 |
| 2013 | 9 | 7 |
| 2014 | 5 | 12 |
| 2015 | 8 | 10 |
| 2016 | 9 | 9 |
| 2017 | 11 | 4 |
| 2018 | 8 | 18 |
| 2019 | 10 | 15 |
| 2020 | 9 | 10 |
| 2021 | 13 | 8 |
| 2022 | 10 | 12 |
| 2023 | 7 | 8 |
| 2024 | 4 | 8 |
| 2025 | 9 | 13 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure accumulator1 Sep 2026US 12,723,602 B2Hydac Technology GmbH
- Energy storage device with a variable volume chamber23 Jun 2026US 12,662,993 B2Idea Invent Evolve Pty Ltd
- Hydraulic accumulator2 Jun 2026US 12,644,473 B2Hydac Technology GmbH
- Diaphragm for a fluid storage tank17 Mar 2026US 12,576,994 B2Cam Lock Limited
- Bladder surge suppressor13 Jan 2026US 12,523,330 B2Young Engineering & Manufacturing, Inc.
- Bladder surge suppressor1 Oct 2026US 2026/0298389 A1Young Engineering & Manufacturing, Inc.
- Pressure Diffuser for Use with a Fluid System9 Jul 2026US 2026/0194077 A1The Boeing Company
- Intermediate hydraulic system and method of use30 Apr 2026US 2026/0117802 A1Country Mechanical Services
- Method2 Apr 2026US 2026/0092610 A1Hydac Technology GmbH
- Separator and Hydraulic Accumulator Having Such a Separator25 Dec 2025US 2025/0389283 A1Hydac Technology GmbH
Most cited
By later US patents
- Suspended diaphragm88US 6,295,918 B12001
- Accumulator65US 4,997,009 ANHK Spring Co., Ltd. · 1991
- Inline bladder-type accumulator for downhole applications61US 7,353,845 B2Smith International, Inc. · 2008
- Accumulator51US 6,789,576 B2NHK Spring Co., Ltd. · 2004
- Expansion tank diaphragm assembly50US 3,931,834 AThe Goodyear Tire & Rubber Company · 1976