F03B 13/10
Submerged units incorporating electric generators or motors
F03B13/10 (Submerged units incorporating electric generators or motors) appears on 528 US grants and 693 published applications in this corpus.
Search patents in F03B- Granted patents
- 528
- Published applications
- 693
- Assignees
- 305
- Inventors
- 1,043
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 8 |
| 2005 | 2 | 5 |
| 2006 | 6 | 4 |
| 2007 | 3 | 8 |
| 2008 | 8 | 15 |
| 2009 | 3 | 18 |
| 2010 | 8 | 22 |
| 2011 | 12 | 27 |
| 2012 | 19 | 35 |
| 2013 | 19 | 40 |
| 2014 | 39 | 59 |
| 2015 | 25 | 59 |
| 2016 | 32 | 50 |
| 2017 | 51 | 50 |
| 2018 | 22 | 44 |
| 2019 | 40 | 44 |
| 2020 | 40 | 41 |
| 2021 | 33 | 39 |
| 2022 | 23 | 27 |
| 2023 | 31 | 25 |
| 2024 | 24 | 31 |
| 2025 | 28 | 19 |
| 2026 | 11 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Submersible hydroelectric generator apparatus and method of operating same6 Oct 2026US 12,753,735 B2Static Hydro Energy (S.H.E.) Limited
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Power generation from moving water8 Sep 2026US 12,729,663 B2ParseHill Renewables, LLC
- Anchoring system for a hydrokinetic generator18 Aug 2026US 12,709,853 B2Sitkana, Inc.
- Power generation system16 Jun 2026US 12,656,064 B2Samsung Electronics Co., Ltd.
- Power generation system8 Oct 2026US 2026/0309424 A1Samsung Electronics Co., Ltd.
- Underwater anchoring devices, systems, and methods24 Sep 2026US 2026/0285446 A1Verterra Energy Inc.
- Pondless hydromechanical storage system24 Sep 2026US 2026/0286941 A1Sage Geosystems Inc.
- Energy storage system27 Aug 2026US 2026/0251115 A1
- Power generation apparatus13 Aug 2026US 2026/0235099 A14Rivers Power Engineering PTY Ltd
Most cited
By later US patents
- Energy conversion systems and methods405US 10,060,473 B2Oceana Energy Company · 2018
- Pipeline built-in electric power generating set139US 4,740,711 AFuji Electric Co., Ltd. · 1988
- Method of controlling operating depth of an electricity-generating device having a tethered water current-driven turbine111US 6,091,161 ADehlsen Associates, LLC · 2000
- Underwater ducted turbine101US 7,471,009 B2Clean Current Power Systems Incorporated · 2008
- Hydraulic turbine power generator incorporating axial thrust equalization means100US 5,659,205 AEbara International Corporation · 1997