F15B 2201/3158
Guides for the flexible separating means
Official title: Guides for the flexible separating means, e.g. for a collapsed bladder
F15B2201/3158 (Guides for the flexible separating means) appears on 48 US grants and 38 published applications in this corpus.
Search patents in F15B- Granted patents
- 48
- Published applications
- 38
- Assignees
- 22
- Inventors
- 74
- Latest grant
- 10 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 3 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 1 | 0 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 4 |
| 2013 | 3 | 1 |
| 2014 | 2 | 2 |
| 2015 | 3 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 4 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents
- Accumulator65US 4,997,009 ANHK Spring Co., Ltd. · 1991
- Accumulator51US 6,789,576 B2NHK Spring Co., Ltd. · 2004
- Hydraulic accumulator43US 7,322,377 B2Hydac Technology GmbH · 2008
- Pressure accumulator39US 3,961,646 AGreer Hydraulics, Inc. · 1976
- Accumulator and manufacturing process thereof33US 6,286,552 B1NHK Spring Co., Ltd. · 2001