F03B 11/004
Valve arrangements
Official title: {Valve arrangements (F03B3/10 takes precedence; adjustable wicket gates F03B3/183; valves in general F16K)}
F03B11/004 (Valve arrangements) appears on 58 US grants and 75 published applications in this corpus.
Search patents in F03B- Granted patents
- 58
- Published applications
- 75
- Assignees
- 42
- Inventors
- 134
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 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 | 0 | 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 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 5 |
| 2015 | 1 | 6 |
| 2016 | 2 | 5 |
| 2017 | 5 | 6 |
| 2018 | 2 | 5 |
| 2019 | 6 | 6 |
| 2020 | 5 | 9 |
| 2021 | 6 | 5 |
| 2022 | 2 | 3 |
| 2023 | 6 | 7 |
| 2024 | 3 | 7 |
| 2025 | 10 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Kordlou green energy system—modular gravity-driven hydrokinetic energy system with self-regulating discharge, inline turbine module, and seabed-independent deployment architecture27 Jan 2026US 12,535,048 B1
- Floating oscillating water column-type wave energy power generation9 Dec 2025US 12,492,674 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- Energy-recovery turbine with pressure-release valve18 Nov 2025US 12,473,883 B2Corporation Bearstream Inc.
- Water treatment system power generation1 Jul 2025US 12,345,229 B1
- Hydrostatic pressure to kinetic energy conversion system27 May 2025US 12,313,028 B2
- Hydroelectric power generation device and power generation method based on axial-flow hydraulic turbine1 Oct 2026US 2026/0298190 A1Hebei Water Conservancy Engr Bureau Group Limited
- Water-based renewable electricity generation system13 Aug 2026US 2026/0235100 A1
- A hydro-dynamic electric machine having tandem water towers for use with a plurality of shuttles to generate electricity5 Feb 2026US 2026/0036109 A1Gravitas E2P Inc.
- Valve Assembly24 Jul 2025US 2025/0237310 A1Rheenergise Limited
- Water turbine generator with bypass flow control6 Feb 2025US 2025/0043760 A1Hunter Industries, Inc.
Most cited
By later US patents
- Self-contained all-terrain living apparatus25US 4,228,788 A1980
- Sewer line power generating system17US 7,429,803 B22008
- Method for adjusting the output of a pump provided with an adjustable spray cone with movable blades14US 4,056,330 AAteliers des Charmilles S.A. · 1977
- Restrictor collar for installation in the leakage water discharge pipes of turbines and pumps13US 4,483,370 AJ. M. Voith GmbH · 1984
- Gravitational vortex variable water flow energy generating system including adjustable height turbine and diffuser assemblies8US 10,941,747 B12021