F01K 21/06
Treating live steam, other than thermodynamically
Official title: Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine
F01K21/06 (Treating live steam, other than thermodynamically) appears on 35 US grants and 23 published applications in this corpus.
Search patents in F01K- Granted patents
- 35
- Published applications
- 23
- Assignees
- 31
- Inventors
- 86
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Operation method of a heat engine device using a single ion24 Feb 2026US 12,560,153 B2Postech Research and Business Development Foundation
- Combined cycle power plant utilizing organic water additives30 Jul 2024US 12,049,419 B2Ecolab USA Inc.
- Dehydrogenation processing method for turbine blades20 Jul 2021US 11,066,715 B2Mitsubishi Power, Ltd.
- Low pressure drop advanced swirl technology gas filter21 Jan 2020US 10,537,839 B1National Technology & Engineering Solutions of Sandia, LLC
- Method and apparatus for removing a strainer basket from a steam valve14 Aug 2018US 10,046,447 B2Siemens Energy, Inc.
- Operation method of a heat engine device using a single ion24 Apr 2025US 2025/0129727 A1Postech Research and Business Development Foundation
- Combined cycle power plant utilizing organic water additives26 Jan 2023US 2023/0027437 A1Ecolab USA Inc.
- Dehydrogenation processing method for turbine blades4 Apr 2019US 2019/0100817 A1Mitsubishi Hitachi Power Systems, Ltd.
- Method and apparatus for removing a strainer basket from a steam valve10 May 2018US 2018/0126315 A1Siemens Energy, Inc.
- Method for processing a liquid medium and processing plant22 Mar 2018US 2018/0080646 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Inhibition of scale deposition from steam generation fluids76US 4,476,930 AUnion Oil Company of California · 1984
- Structure and method for on-line inspection of condenser tubes25US 5,083,606 ATexas Utilities Electric Company · 1992
- Energy converter24US 4,292,808 A1981
- Intelligent chemistry management system24US 4,833,622 ACombustion Engineering, Inc. · 1989
- Process for removing hydrogen sulfide from fluids21US 4,410,432 AStone & Webster Engineering Corp. · 1983