F03B 15/18
For safety purposes
Official title: for safety purposes, e.g. preventing overspeed
F03B15/18 (For safety purposes) appears on 21 US grants and 18 published applications in this corpus.
Search patents in F03B- Granted patents
- 21
- Published applications
- 18
- Assignees
- 22
- Inventors
- 48
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 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 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 3 |
| 2020 | 1 | 2 |
| 2021 | 3 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable speed reconfigurable pump/turbine clusters6 May 2025US 12,292,026 B2Flowserve Pte. Ltd.
- Self contained hydraulic lock apparatus18 Jun 2024US 12,012,860 B2Mesa Associates, Inc.
- Fluid apparatus15 Nov 2022US 11,502,630 B2Daikin Industries, Ltd.
- Speed limiting turbine for a conduit17 Aug 2021US 11,092,131 B2Save Innovations
- Tidal power generation system and methods30 Mar 2021US 10,961,974 B21847 Subsea Engineering Limited
- Automation and control system applied to energy generation systems in hydroelectric plants1 Oct 2026US 2026/0298193 A1Reivax AutomaçãO E Controle Ltda.
- Variable speed reconfigurable pump/turbine clusters18 Jan 2024US 2024/0018934 A1Flowserve Management Company
- Self contained hydraulic lock apparatus12 May 2022US 2022/0145774 A1Mesa Associates, Inc.
- Fluid apparatus1 Oct 2020US 2020/0313585 A1Daikin Industries, Ltd.
- Improvements to Hydraulic Machines During Grid Disconnections6 Feb 2020US 2020/0040866 A1GE Renewable Technologies
Most cited
By later US patents
- Wave energy conversion device11US 8,049,356 B2E. I. DuPont de Nemours and Company · 2011
- Control apparatus for hydraulically driven generator8US 4,533,835 A1985
- Stepwise operating parallel type small hydro power generation system having fixed flow path6US 10,233,895 B2Keunnamu Co., Ltd. · 2019
- Reversible pump-turbine system5US 6,250,887 B1Hitachi, Ltd. · 2001
- Protection for hydraulic machines4US 4,781,064 A1988