F03D 9/18
Storing heat
Official title: storing heat
F03D9/18 (Storing heat) appears on 110 US grants and 115 published applications in this corpus.
Search patents in F03D- Granted patents
- 110
- Published applications
- 115
- Assignees
- 35
- Inventors
- 109
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 6 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 5 |
| 2016 | 2 | 2 |
| 2017 | 4 | 5 |
| 2018 | 3 | 6 |
| 2019 | 3 | 3 |
| 2020 | 4 | 2 |
| 2021 | 2 | 3 |
| 2022 | 9 | 17 |
| 2023 | 12 | 18 |
| 2024 | 23 | 14 |
| 2025 | 14 | 15 |
| 2026 | 14 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal energy storage system coupled with a solid oxide electrolysis system6 Oct 2026US 12,753,710 B2Rondo Energy, Inc.
- Thermal energy storage system coupled with thermal power cycle systems8 Sep 2026US 12,729,632 B1Rondo Energy, Inc.
- Thermal energy storage systems for use in material processing1 Sep 2026US 12,723,524 B2Rondo Energy, Inc.
- Methods for material activation with thermal energy storage system18 Aug 2026US 12,709,998 B2Rondo Energy, Inc.
- Thermal energy storage system coupled with thermal power cycle systems2 Jun 2026US 12,644,396 B2Rondo Energy, Inc.
- Thermal Energy Storage with Fluid Flow Insulation16 Jul 2026US 2026/0201821 A1Rondo Energy, Inc.
- Thermal energy storage system coupled with steam cracking system25 Jun 2026US 2026/0176985 A1Rondo Energy, Inc.
- Energy storage system and alumina calcination applications18 Jun 2026US 2026/0168411 A1Rondo Energy, Inc.
- Thermal energy storage systems for use in material processing2 Apr 2026US 2026/0092542 A1Rondo Energy, Inc.
- Non-imaging non-tracking solar concentrator based combined csp and wave energy and wind energy conversion hybrid thermal energy and electric power cogeneration system26 Feb 2026US 2026/0055756 A1
Most cited
By later US patents
- Wind-powered electricity generating system including wind energy storage195US 5,384,489 A1995
- Electric power generation84US 4,274,010 ASir Henry Lawson-Tancred, Sons & Co. Ltd. · 1981
- Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid71US 6,927,503 B22005
- Windmill power apparatus and method68US 4,455,834 A1984
- Heat pump operated by wind or other power means63US 4,304,103 AWorld Energy Systems Incorporated · 1981