F03B 11/04
Parts or details not provided for in, or of interest apart from
Official title: for diminishing cavitation or vibration, e.g. balancing
F03B11/04 (Parts or details not provided for in, or of interest apart from) appears on 51 US grants and 47 published applications in this corpus.
Search patents in F03B- Granted patents
- 51
- Published applications
- 47
- Assignees
- 29
- Inventors
- 120
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 6 |
| 2011 | 0 | 4 |
| 2012 | 1 | 0 |
| 2013 | 4 | 1 |
| 2014 | 4 | 4 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 2 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 1 |
| 2025 | 4 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of refurbishing an energy conversion facility and refurbished energy conversion facility16 Dec 2025US 12,497,940 B2Voith Patent GmbH
- Hydrofoil cavitating flow control structure2 Dec 2025US 12,485,999 B2Wuhan University
- Measurement arrangement for hydro turbine16 Sep 2025US 12,416,284 B2TMV Detections Oy
- Hydro turbine with reduced cavitation14 Jan 2025US 12,196,169 B2TMV Detections Oy
- Method and device for determining suction height of variable speed units1 Oct 2024US 12,104,566 B2China Three Gorges Corporation
- Hydroturbine piece of a turbine comprising a modified trailing edge8 Oct 2026US 2026/0309114 A1GE Renewable Technologies
- Measurement arrangement for hydro turbine5 Jun 2025US 2025/0179984 A1TMV Detections Oy
- Method of refurbishing an energy conversion facility and refurbished energy conversion facility9 Jan 2025US 2025/0012248 A1Voith Patent GmbH
- Method and device for determining suction height of variable speed units4 Jan 2024US 2024/0003327 A1China Three Gorges Corporation
- Francis-type hydraulic machine9 Nov 2023US 2023/0358201 A1Voith Patent GmbH
Most cited
By later US patents
- Bearing for a fluid flow engine and method for damping vibrations of the engine54US 4,693,616 AMTU Motoren- und Turbinen-Union Muenchen GmbH · 1987
- Secondary flow control system28US 7,025,557 B2Concepts ETI, Inc. · 2006
- Hydro-turbine runner26US 5,954,474 AVoith Hydro, Inc. · 1999
- Vibration-dampened discharge ring for bulb hydraulic turbines23US 4,453,887 AAllis-Chalmers Corporation · 1984
- Adjustable blade turbines22US 5,947,679 AVoith Hydro, Inc. · 1999