F03B 11/00
Parts or details not provided for in, or of interest apart from
Official title: Parts or details not provided for in, or of interest apart from, the preceding groups (controlling F03B15/00), {e.g. wear-protection couplings, between turbine and generator}
F03B11/00 (Parts or details not provided for in, or of interest apart from) appears on 488 US grants and 544 published applications in this corpus.
Search patents in F03B- Granted patents
- 488
- Published applications
- 544
- Assignees
- 280
- Inventors
- 1,113
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 5 |
| 2005 | 5 | 11 |
| 2006 | 4 | 4 |
| 2007 | 5 | 5 |
| 2008 | 2 | 12 |
| 2009 | 1 | 13 |
| 2010 | 6 | 19 |
| 2011 | 7 | 28 |
| 2012 | 12 | 15 |
| 2013 | 17 | 30 |
| 2014 | 23 | 25 |
| 2015 | 14 | 38 |
| 2016 | 18 | 28 |
| 2017 | 28 | 24 |
| 2018 | 18 | 32 |
| 2019 | 24 | 44 |
| 2020 | 26 | 35 |
| 2021 | 32 | 31 |
| 2022 | 21 | 27 |
| 2023 | 30 | 33 |
| 2024 | 28 | 35 |
| 2025 | 36 | 32 |
| 2026 | 9 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F03B 11/02Casings103
- F03B 11/06Bearing arrangements92
- F03B 11/002Injecting air or other fluid72
- F03B 11/004Valve arrangements58
- F03B 11/006Sealing arrangements56
- F03B 11/04Parts or details not provided for in, or of interest apart from51
- F03B 11/08Parts or details not provided for in, or of interest apart from37
- F03B 11/008Measuring or testing arrangements24
Recent patents
- Recirculating hydro-pneumatic impulse turbine21 Jul 2026US 12,687,145 B2Gravity Energy Pty Ltd
- Suction cover device, and kinetic tidal power plant16 Jun 2026US 12,655,822 B2Energyminer GmbH
- Sluice gate for a hydropower station26 May 2026US 12,637,822 B2ANDRITZ HYDRO GmbH
- Underwater flow turbine5 May 2026US 12,618,391 B2Aktiebolaget Skf
- Method and system for optimizing operating swing of vertical shaft suspended hydrogenerator unit7 Apr 2026US 12,595,778 B2Huaneng Lancang River Hydropower Inc.
- Hydroturbine piece of a turbine comprising a modified trailing edge8 Oct 2026US 2026/0309114 A1GE Renewable Technologies
- 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
- Aquaculture net cleaner head controller10 Sep 2026US 2026/0262613 A1Lindgren-Pitman, Inc.
- System and Method for Actuating a Turbine Assembly27 Aug 2026US 2026/0251113 A1
- Hydrokinetic turbine system27 Aug 2026US 2026/0251114 A1Emrgy Inc.
Most cited
By later US patents
- River turbine145US 3,986,787 A1976
- Francis-type hydraulic machine119US 4,126,360 AEscher Wyss Limited · 1978
- Fluid pump apparatus81US 6,547,530 B2Ntn Corporation · 2003
- Kinetic hydro energy conversion system62US 4,613,279 ARiverside Energy Technology, Inc. · 1986
- Turbine wheel with catenary blades60US 4,095,918 A1978