F01K 3/08
Use of accumulators and the plant being specially adapted for a specific
Official title: Use of accumulators and the plant being specially adapted for a specific use
F01K3/08 (Use of accumulators and the plant being specially adapted for a specific) appears on 118 US grants and 117 published applications in this corpus.
Search patents in F01K- Granted patents
- 118
- Published applications
- 117
- Assignees
- 59
- Inventors
- 144
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 5 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 6 |
| 2016 | 5 | 6 |
| 2017 | 4 | 2 |
| 2018 | 4 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 4 | 3 |
| 2022 | 5 | 16 |
| 2023 | 13 | 20 |
| 2024 | 29 | 19 |
| 2025 | 13 | 14 |
| 2026 | 17 | 6 |
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.
- Exothermic reaction energy system23 Jun 2026US 12,662,950 B2Advantron Technologies, LLC
- 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.
- Method and apparatus for pre-heating a process gas30 Apr 2026US 2026/0117681 A1
- Thermal energy storage systems for use in material processing2 Apr 2026US 2026/0092542 A1Rondo Energy, Inc.
Most cited
By later US patents
- Gas powered motors72US 4,449,372 A1984
- Systems and methods for generating electricity via a pumped thermal energy storage system64US 11,187,112 B2Echogen Power Systems, LLC · 2021
- Thermoelectric energy storage system with an intermediate storage tank and method for storing thermoelectric energy62US 8,904,793 B2ABB Research Ltd. · 2014
- Use of external air for closed cycle inventory control53US 10,221,775 B2Malta Inc. · 2019
- Systems and methods for generating electricity via a pumped thermal energy storage system53US 10,883,388 B2Echogen Power Systems, LLC · 2021