F15B 2201/413
Having multiple liquid ports
Official title: having multiple liquid ports
F15B2201/413 (Having multiple liquid ports) appears on 83 US grants and 48 published applications in this corpus.
Search patents in F15B- Granted patents
- 83
- Published applications
- 48
- Assignees
- 64
- Inventors
- 137
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 4 |
| 2005 | 3 | 4 |
| 2006 | 3 | 3 |
| 2007 | 2 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 3 |
| 2021 | 4 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic pressure control unit19 May 2026US 12,630,131 B2Robert Bosch GmbH
- Pressure regulator assembly for a coolant distribution unit10 Feb 2026US 12,547,193 B2Hewlett Packard Enterprise Development LP
- Device, system and method for isothermal compression, constant-pressure power generation and physical energy storage16 Dec 2025US 12,497,941 B2Northwestern Polytechnical University
- Cool fluid reservoir for a coolant distribution unit27 May 2025US 12,313,089 B2Hewlett Packard Enterprise Development LP
- Pressure regulator assembly for a coolant distribution unit1 Oct 2024US 12,105,538 B2Hewlett Packard Enterprise Development LP
- Medium pressure accumulator with fast fill supply valve and brake system using same21 May 2026US 2026/0138577 A1ZF Active Safety US Inc.
- Pressure regulator assembly for a coolant distribution unit9 Jan 2025US 2025/0013253 A1Hewlett Packard Enterprise Development LP
- Device, system and method for isothermal compression, constant-pressure power generation and physical energy storage15 Aug 2024US 2024/0271590 A1Northwestern Polytechnical University
- Pressure regulator assembly for a coolant distribution unit22 Feb 2024US 2024/0061453 A1Hewlett Packard Enterprise Development LP
- Cool fluid reservoir for a coolant distribution unit5 Oct 2023US 2023/0320031 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- Distributed accumulator81US 4,651,781 ANorthrop Corporation · 1987
- Accumulator65US 4,997,009 ANHK Spring Co., Ltd. · 1991
- Accumulator/oil tank for journal oil supply39US 6,267,147 B1Pratt & Whitney Canada Corp. · 2001
- Pulsation absorbing device38US 4,759,387 AWilkes-McLean, Ltd. · 1988
- Inline pulsation damper system29US 6,948,479 B1Delphi Technologies, Inc. · 2005