F01K 19/02
Regenerating by compression
F01K19/02 (Regenerating by compression) appears on 129 US grants and 112 published applications in this corpus.
Search patents in F01K- Granted patents
- 129
- Published applications
- 112
- Assignees
- 44
- Inventors
- 136
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 5 |
| 2016 | 1 | 4 |
| 2017 | 4 | 3 |
| 2018 | 2 | 0 |
| 2019 | 4 | 4 |
| 2020 | 3 | 1 |
| 2021 | 2 | 2 |
| 2022 | 8 | 24 |
| 2023 | 14 | 19 |
| 2024 | 27 | 14 |
| 2025 | 13 | 17 |
| 2026 | 15 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- System for compressing steam from a nuclear steam supply system to operate a turbogenerator7 Jul 2026US 12,676,248 B2Holtec International
- Thermal Energy Storage with Fluid Flow Insulation16 Jul 2026US 2026/0201821 A1Rondo Energy, Inc.
- Steam Generation Device and Steam Generation Method2 Jul 2026US 2026/0185698 A1Hitachi, Ltd.
- 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.
Most cited
By later US patents
- Heat engine, refrigeration and heat pump cycles approximating the Carnot cycle and apparatus therefor35US 5,027,602 AAtomic Energy of Canada Limited · 1991
- Limited expansion vapor cycle21US 4,479,354 A1984
- Energy storage system and applications20US 11,603,776 B2Rondo Energy, Inc. · 2023
- Steam pressure increasing device for drive turbines14US 3,972,196 AWestinghouse Electric Corp. · 1976
- Method for thermodynamic cycle14US 4,442,675 A1984