F04B 2205/16
Opening or closing of a valve in a circuit
F04B2205/16 (Opening or closing of a valve in a circuit) appears on 47 US grants and 26 published applications in this corpus.
Search patents in F04B- Granted patents
- 47
- Published applications
- 26
- Assignees
- 37
- Inventors
- 113
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 4 |
| 2020 | 3 | 8 |
| 2021 | 4 | 2 |
| 2022 | 3 | 2 |
| 2023 | 0 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Minimizing recycle flow in pump operation31 Mar 2026US 12,590,676 B2Integrated Cryogenic Solutions, LLC
- Hydraulic pump27 May 2025US 12,311,519 B2Milwaukee Electric Tool Corporation
- Demand based hydraulic pump control system14 Jan 2025US 12,196,195 B2Deere & Company
- Reciprocating compressor with variable capacity regulation12 Nov 2024US 12,140,137 B2Hoerbiger Wien GmbH
- Hydraulic piston pump for a hydraulic tool16 Apr 2024US 11,958,177 B2Milwaukee Electric Tool Corporation
- Systems and methods for indirect measurement of the volumetric flow generated by a compressor18 Jun 2026US 2026/0168828 A1
- Minimizing recycle flow in pump operation9 Apr 2026US 2026/0098611 A1Integrated Cryogenic Solutions, LLC
- Hydraulic pump7 Aug 2025US 2025/0249568 A1Milwaukee Electric Tool Corporation
- Cable stringing assembly having electric air moving device and methods thereto16 Jan 2025US 2025/0020118 A1Sherman + Reilly, Inc.
- Hydraulic pump8 Aug 2024US 2024/0261953 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Compressor control system and method82US 6,082,971 AIngersoll-Rand Company · 2000
- Compressor capacity modulation60US 6,206,652 B1Copeland Corporation · 2001
- Adaptive fluid motor control51US 5,794,442 A1998
- Method and apparatus for controlling a pump42US 3,957,395 ACla-Val Co. · 1976
- Oil well pumpoff control system41US 3,936,231 ADresser Industries, Inc. · 1976