F01B 31/08
Cooling of steam engines
Official title: Cooling of steam engines; Heating; Heat insulation
F01B31/08 (Cooling of steam engines) appears on 9 US grants and 8 published applications in this corpus.
Search patents in F01B- Granted patents
- 9
- Published applications
- 8
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Compact tandem cylinder reciprocating engine for CO2 power generation28 Jan 2025US 12,209,553 B2Indian Institute of Science
- Vapor powered electro-mechanical generator14 May 2024US 11,982,186 B1
- Cylinder block and swash plate type liquid-pressure rotating apparatus including same6 Oct 2020US 10,794,185 B2Kawasaki Jukogyo Kabushiki Kaisha
- Method and system for generating energy during the expansion of natural process gas6 Feb 2018US 9,885,239 B2BASF SE
- Parallel motion heat energy power machine and working method thereof18 Jul 2017US 9,708,935 B2
- Compact tandem cylinder reciprocating engine for co2 power generation26 Sep 2024US 2024/0318554 A1Indian Institute of Science
- Expander systems for harnessing energy from pressurized fluid flow22 Jun 2023US 2023/0193759 A1CNX Resources Corporation
- External compression engine21 Apr 2022US 2022/0120184 A1
- Cylinder block and swash plate type liquid-pressure rotating apparatus including same29 Aug 2019US 2019/0264564 A1Kawasaki Jukogyo Kabushiki Kaisha
- Parallel motion heat energy power machine and working method thereof2 Mar 2017US 2017/0058701 A1
Most cited
By later US patents
- Wobble piston15US 5,231,917 ADeVilbiss Air Power Company · 1993
- Methods and devices for optimizing heat transfer within a compression and/or expansion device4US 8,454,321 B2General Compression, Inc. · 2013
- Piston assembly and method for reducing the temperature of a compressor cup seal2US 5,916,349 A1999
- Cylinder block and swash plate type liquid-pressure rotating apparatus including same1US 10,794,185 B2Kawasaki Jukogyo Kabushiki Kaisha · 2020
- Vapor powered electro-mechanical generator1US 11,982,186 B12024