F01K 19/04
In combination with cooling or heating
Official title: in combination with cooling or heating
F01K19/04 (In combination with cooling or heating) appears on 92 US grants and 87 published applications in this corpus.
Search patents in F01K- Granted patents
- 92
- Published applications
- 87
- Assignees
- 25
- Inventors
- 69
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 4 |
| 2017 | 2 | 1 |
| 2018 | 2 | 0 |
| 2019 | 2 | 4 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 6 | 17 |
| 2023 | 12 | 18 |
| 2024 | 24 | 12 |
| 2025 | 12 | 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.
- Thermal Energy Storage System and Heat Pump Cycles for Industrial Heat Generation15 Jan 2026US 2026/0016155 A1AtmosZero, Inc.
Most cited
By later US patents
- Energy storage system and applications20US 11,603,776 B2Rondo Energy, Inc. · 2023
- External combustion power producing cycle10US 3,990,243 AD-Cycle Associates · 1976
- Isothermal compression-regenerative method for operating vapor cycle heat engine10US 4,249,384 A1981
- Thermal energy storage system with system for deep discharge of thermal storage blocks7US 11,391,181 B2Rondo Energy, Inc. · 2022
- Liquid piston compression systems for compressing steam6US 4,566,860 A1986