F03B 11/063
Arrangements for balancing axial thrust
Official title: {Arrangements for balancing axial thrust}
F03B11/063 (Arrangements for balancing axial thrust) appears on 35 US grants and 24 published applications in this corpus.
Search patents in F03B- Granted patents
- 35
- Published applications
- 24
- Assignees
- 29
- Inventors
- 70
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 5 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 3 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Kinetic machine, powered by flowing water for the extraction of energy by pressurizing water7 Jan 2025US 12,188,445 B2
- Pumped-storage hydropower generation tower employing conduit turbines installed in multiple stages16 Apr 2024US 11,959,451 B2
- Conduit turbine for supporting conduit of water wheel rotational body, and hydroelectric generator having conduit turbines serially provided in multiple levels8 Aug 2023US 11,719,215 B2
- Variable guide bearing30 Mar 2021US 10,961,977 B2Andritz Hydro Canada Inc.
- Turbine assembly29 Dec 2020US 10,876,513 B2Verderg Ltd
- Kinetic machine, powered by flowing water for the extraction of energy by pressurising water13 Jun 2024US 2024/0191684 A1
- Submerged electrical machines13 Apr 2023US 2023/0113435 A1Current Kinetics, LLC
- Pumped-storage hydropower generation tower employing conduit turbines installed in multiple stages7 Jul 2022US 2022/0213860 A1
- Conduit turbine for supporting conduit of water wheel rotational body, and hydroelectric generator having conduit turbines serially provided in multiple levels10 Mar 2022US 2022/0074381 A1
- Submerged electrical machines13 May 2021US 2021/0140402 A1Current Kinetics, LLC
Most cited
By later US patents
- Francis-type hydraulic machine119US 4,126,360 AEscher Wyss Limited · 1978
- Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps21US 9,683,574 B2Energy Recovery, Inc. · 2017
- Hydraulic machine17US 4,086,020 AHitachi, Ltd. · 1978
- Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps16US 8,834,028 B2Energy Recovery, Inc. · 2014
- Integrated hydroelectric unit11US 5,905,311 AVoith Hydro, Inc. · 1999