F15B 21/006
Compensation or avoidance of ambient pressure variation
Official title: {Compensation or avoidance of ambient pressure variation}
F15B21/006 (Compensation or avoidance of ambient pressure variation) appears on 56 US grants and 57 published applications in this corpus.
Search patents in F15B- Granted patents
- 56
- Published applications
- 57
- Assignees
- 47
- Inventors
- 96
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 4 |
| 2014 | 2 | 0 |
| 2015 | 3 | 7 |
| 2016 | 3 | 3 |
| 2017 | 4 | 4 |
| 2018 | 0 | 4 |
| 2019 | 4 | 2 |
| 2020 | 8 | 5 |
| 2021 | 2 | 0 |
| 2022 | 2 | 2 |
| 2023 | 2 | 4 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modification of aircraft for parabolic flight17 Feb 2026US 12,552,518 B2MU-G Technologies, LLC
- Pressure regulator assembly for a coolant distribution unit10 Feb 2026US 12,547,193 B2Hewlett Packard Enterprise Development LP
- Pressure compensator and assembly comprising a subsea installation and such a pressure compensator28 Oct 2025US 12,456,568 B2TechnipFMC Norge AS
- 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
- Energy Storage and Control System for Pipeline Flow Control12 Feb 2026US 2026/0043422 A1
- Pressure regulator assembly for a coolant distribution unit9 Jan 2025US 2025/0013253 A1Hewlett Packard Enterprise Development LP
- Hydraulic brake arrangement for an at least partially muscle-powered bicycle22 Feb 2024US 2024/0059370 A1Trickstuff GmbH
- Pressure regulator assembly for a coolant distribution unit22 Feb 2024US 2024/0061453 A1Hewlett Packard Enterprise Development LP
- Pressure Compensator and Assembly Comprising a Subsea Installation and Such a Pressure Compensator8 Feb 2024US 2024/0047117 A1FMC Kongsberg Subsea AS
Most cited
By later US patents
- Dialysis system having integrated pneumatic manifold77US 7,905,853 B2Baxter Healthcare S. A. · 2011
- Subsea accumulator and method of operation of same64US 6,202,753 B12001
- Subsea hydraulic control system58US 6,192,680 B1Varco Shaffer, Inc. · 2001
- Accumulator apparatus, system and method41US 6,418,970 B1Noble Drilling Corporation · 2002
- Hydraulic actuator with built-in pressure compensator34US 6,783,107 B2HP&T Products, Inc. · 2004