F15B 2201/3157
Sealings for the flexible separating means
F15B2201/3157 (Sealings for the flexible separating means) appears on 15 US grants and 13 published applications in this corpus.
Search patents in F15B- Granted patents
- 15
- Published applications
- 13
- Assignees
- 14
- Inventors
- 36
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 4 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Diaphragm radial compression ring (DRCRTM) to enhance the sealing ability and service life of the diaphragms used in dampeners/accumulators/pulsation control equipment12 Mar 2024US 11,927,292 B2Performance Pulsation Control, Inc.
- Bellows accumulator10 Oct 2023US 11,781,569 B2Hydac Technology GmbH
- Top repairable gas-charged bladder type pulsation dampener12 Sep 2023US 11,754,216 B2Performance Pulsation Control, Inc.
- Bellows accumulator6 Sep 2022US 11,434,932 B2Hydac Technology GmbH
- Pulsation dampener with gas retention7 Dec 2021US 11,193,506 B2Canon Kabushiki Kaisha
- Cap bellows assembly and accumulator8 May 2025US 2025/0146513 A1NHK Spring Co., Ltd.
- Bellows accumulator1 Aug 2024US 2024/0253415 A1DRiV Automotive Inc.
- Diaphragm radial compression ring (drcrtm) to enhance the sealing ability and service life of the diaphragms used in dampeners/accumulators/pulsation control equipment22 Dec 2022US 2022/0403969 A1Performance Pulsation Control, Inc.
- Top repairable gas-charged bladder type pulsation dampener30 Jun 2022US 2022/0205575 A1Performance Pulsation Control, Inc.
- Bellows accumulator10 Feb 2022US 2022/0042524 A1Hydac Technology GmbH
Most cited
By later US patents
- Accumulator65US 4,997,009 ANHK Spring Co., Ltd. · 1991
- Repairable presssure vessels15US 3,960,179 AGreer Hydraulics, Inc. · 1976
- Metal bellows accumulator9US 6,871,670 B2Advics Co., Ltd. · 2005
- Means for mounting a diaphragm in an accumulator-reservoir device8US 3,983,902 AUnited Aircraft Products, Inc. · 1976
- Combination seal for sealing between two machine parts8US 5,156,410 ABusak + Luyken GmbH & Co. · 1992