F15B 2201/4155
Having valve means
Official title: having valve means
F15B2201/4155 (Having valve means) appears on 167 US grants and 65 published applications in this corpus.
Search patents in F15B- Granted patents
- 167
- Published applications
- 65
- Assignees
- 82
- Inventors
- 192
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 11 | 0 |
| 1982 | 12 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 5 |
| 2003 | 2 | 4 |
| 2004 | 4 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 0 | 5 |
| 2016 | 0 | 2 |
| 2017 | 5 | 4 |
| 2018 | 4 | 5 |
| 2019 | 5 | 2 |
| 2020 | 5 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 6 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adaptive repressurizer26 May 2026US 12,638,026 B2Saudi Arabian Oil Company
- Bladder surge suppressor13 Jan 2026US 12,523,330 B2Young Engineering & Manufacturing, Inc.
- Hydrostatic cylinder with gas pressure accumulator19 Nov 2024US 12,146,510 B2Robert Bosch GmbH
- Dual gas pressure accumulator system9 Jul 2024US 12,031,556 B2Deere & Company
- Automatic fluid pump inlet stabilizers and vacuum regulators28 Nov 2023US 11,828,303 B2Blacoh Fluid Controls, Inc.
- Bladder surge suppressor1 Oct 2026US 2026/0298389 A1Young Engineering & Manufacturing, Inc.
- Device4 Jun 2026US 2026/0153102 A1Hydac Technology GmbH
- Adaptive repressurizer28 Nov 2024US 2024/0392809 A1Aramco Services Company
- Dual gas pressure accumulator system31 Oct 2024US 2024/0360846 A1Deere & Company
- Spring dampening for accumulator system14 Sep 2023US 2023/0287905 A1
Most cited
By later US patents
- Valve arrangement for a pressurizable vessel46US 4,142,546 ARobert Bosch GmbH · 1979
- Pressure vessel with a bladder43US 4,817,830 AEcodyne Corporation · 1989
- Subsea pressure accumulator systems42US 7,520,129 B2Varco I/P, Inc. · 2009
- Pressure accumulator39US 3,961,646 AGreer Hydraulics, Inc. · 1976
- Method of assembling a pressure vessel39US 4,425,698 ADeere & Company · 1984