F15B 2211/40592
With multiple valves in parallel flow paths
Official title: with multiple valves in parallel flow paths,
F15B2211/40592 (With multiple valves in parallel flow paths) appears on 79 US grants and 77 published applications in this corpus.
Search patents in F15B- Granted patents
- 79
- Published applications
- 77
- Assignees
- 71
- Inventors
- 180
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 4 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 2 | 4 |
| 2016 | 4 | 0 |
| 2017 | 1 | 4 |
| 2018 | 2 | 4 |
| 2019 | 4 | 9 |
| 2020 | 10 | 6 |
| 2021 | 9 | 8 |
| 2022 | 5 | 12 |
| 2023 | 8 | 6 |
| 2024 | 9 | 5 |
| 2025 | 2 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow distribution control method, device, and apparatus for hydraulic system and hydraulic system24 Feb 2026US 12,559,911 B2Zoomlion Heavy Industry Science and Technology Co., Ltd.
- Residual pressure exhaust air circuit and residual pressure exhaust valve10 Feb 2026US 12,546,413 B2SMC Corporation
- Pneumatic system and process27 Jan 2026US 12,535,089 B2Festo AG & Co.
- Pneumatic device with a movably mounted piston15 Jul 2025US 12,359,682 B2Afag Holding AG
- Method and system for a flow-isolated valve arrangement and a three-chamber cylinder hydraulic architecture6 May 2025US 12,292,062 B2Purdue Research Foundation
- Turbo engine including a system to control pitch of a propeller blade4 Jun 2026US 2026/0153033 A1General Electric Company
- Fluid control device, fluid pressure supply apparatus, and fluid control method11 Dec 2025US 2025/0377673 A1SMC Corporation
- Method and system for a flow-isolated valve arrangement and a three-chamber cylinder hydraulic architecture21 Aug 2025US 2025/0264118 A1Purdue Research Foundation
- Modulator for generating a pressure change, pneumatic vehicle system, commercial vehicle, and method for controlling a pneumatic pressure in a pneumatic load by open-loop or closed-loop control6 Mar 2025US 2025/0075711 A1
- Pneumatic system and process6 Mar 2025US 2025/0075712 A1Festo AG & Co.
Most cited
By later US patents
- Pneumatic-hydraulic actuator system74US 4,335,867 A1982
- Digital fluid flow rate controller32US 4,191,215 ABodenseewerk Perkin-Elmer & Co., GmbH · 1980
- Control valve unit for the cylinder of a fluid actuator30US 4,518,011 A1985
- Digital control valve27US 4,170,245 AFMC Corporation · 1979
- Apparatus for regulating the speed of and the pressure of fluid upon the ram in the injection assembly of an injection molding machine23US 4,023,466 AGKN Windsor GmbH · 1977