F01K 1/00
Steam accumulators
Official title: Steam accumulators (use of accumulators in steam engine plants F01K3/00)
F01K1/00 (Steam accumulators) appears on 59 US grants and 71 published applications in this corpus.
Search patents in F01K- Granted patents
- 59
- Published applications
- 71
- Assignees
- 55
- Inventors
- 156
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 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 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 5 |
| 2014 | 4 | 4 |
| 2015 | 1 | 9 |
| 2016 | 4 | 4 |
| 2017 | 9 | 10 |
| 2018 | 6 | 7 |
| 2019 | 4 | 3 |
| 2020 | 4 | 3 |
| 2021 | 3 | 4 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 3 | 3 |
| 2025 | 4 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F01K 1/04Steam accumulators: for storing steam in a liquid16
- F01K 1/08Charging or discharging of accumulators with steam15
- F01K 1/12Multiple accumulators15
- F01K 1/16Steam accumulators: other safety or control means10
- F01K 1/10Steam accumulators: specially adapted for superheated steam5
- F01K 1/02Steam accumulators: for storing steam otherwise than in a liquid4
- F01K 1/20Steam accumulators: other steam-accumulator parts, details, or accessories2
Recent patents
- Exothermic reaction energy system23 Jun 2026US 12,662,950 B2Advantron Technologies, LLC
- Hydrogen fueled electric power plant with thermal energy storage12 May 2026US 12,624,649 B2Pintail Power LLC
- Method and system for determining steam trap data using machine learning25 Nov 2025US 12,481,253 B2Saudi Arabian Oil Company
- Steam power cycle thermoelectric decoupling system, and control method, device, medium, and product thereof19 Aug 2025US 12,392,260 B1North China Electrical Power University
- Charge, storage, and discharge energy system using liquid air and sCO225 Mar 2025US 12,258,883 B2Southwest Research Institute
- System and Method for Steam Accumulation Using Packed-Bed Latent Heat Thermal Energy Storage24 Sep 2026US 2026/0286866 A1The Regents of the University of California
- Energy storage and utilisation system12 Feb 2026US 2026/0043541 A1Graphite Energy (Assets) Pty Limited
- Hydrogen fueled electric power plant with thermal energy storage27 Nov 2025US 2025/0361822 A1Pintail Power LLC
- Exothermic reaction energy system12 Dec 2024US 2024/0410300 A1Advantron Technologies, LLC
- Steam accumulation multilayer reservoir with application of phase change material21 Nov 2024US 2024/0384941 A1
Most cited
By later US patents
- Heat storage system with combined heat storage device88US 5,269,145 ADeutsche Forschungsanstalt fuer Luft - und Raumfahrt e. V. · 1993
- Thermoelectric energy storage system with an intermediate storage tank and method for storing thermoelectric energy62US 8,904,793 B2ABB Research Ltd. · 2014
- Systems and methods for the capture of heat energy, long-distance conveyance, storage, and distribution of the captured heat energy and power generated therefrom40US 11,274,660 B2Lochterra Inc. · 2022
- Systems and methods for the capture of heat energy, long-distance conveyance, storage, and distribution of the captured heat energy and power generated therefrom40US 11,326,479 B2Lochterra Inc. · 2022
- Crankcase ventilation filter arrangments; components; and, methods37US 8,404,029 B2Donaldson Company, Inc. · 2013