F04B 39/062
Cooling by injecting a liquid in the gas to be compressed
Official title: {Cooling by injecting a liquid in the gas to be compressed}
F04B39/062 (Cooling by injecting a liquid in the gas to be compressed) appears on 44 US grants and 51 published applications in this corpus.
Search patents in F04B- Granted patents
- 44
- Published applications
- 51
- Assignees
- 39
- Inventors
- 136
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 3 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 5 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 3 |
| 2020 | 1 | 4 |
| 2021 | 3 | 1 |
| 2022 | 4 | 2 |
| 2023 | 1 | 3 |
| 2024 | 1 | 5 |
| 2025 | 4 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single stage reciprocating piston compressor with cooling22 Sep 2026US 12,742,447 B2I-Jack Technologies Incorporated
- Method for controlling an air-cooled compressor or vacuum pump device and an air-cooled compressor or vacuum pump device4 Aug 2026US 12,698,774 B2Atlas Copco Airpower, Naamloze Vennootschap
- Assembly for compressing gas having a housing comprising coolers in a central section, method for cooling, and use of such an assembly3 Mar 2026US 12,565,881 B2Atlas Copco Airpower, Naamloze Vennootschap
- Oil-injected compressor device13 Jan 2026US 12,523,226 B2Atlas Copco Airpower, Naamloze Vennootschap
- Method for controlling a first reference temperature in a device for compressing gas30 Sep 2025US 12,429,044 B2Atlas Copco Airpower, Naamloze Vennootschap
- Near-isothermal gas compressor and/or /expander system30 Jul 2026US 2026/0218693 A1University of Virginia Patent Foundation
- Electric hydraulic thermal control valve2 Jul 2026US 2026/0185628 A1
- Compressor oil injection cooling19 Mar 2026US 2026/0078747 A1Thermo King Corporation
- Method for controlling an air-cooled compressor or vacuum pump device and an air-cooled compressor or vacuum pump device29 Jan 2026US 2026/0028932 A1Atlas Copco Airpower, Naamloze Vennootschap
- Economizer injection in a reciprocating compressor13 Nov 2025US 2025/0347446 A1Carrier Corporation
Most cited
By later US patents
- Compressor system with demand cooling110US 4,974,427 ACopeland Corporation · 1990
- High pressure compressor with controlled cooling during the compression phase97US 5,674,053 A1997
- Gas compressor95US 5,771,693 ANational Power PLC · 1998
- High pressure compressor with internal, cooled compression92US 5,769,610 A1998
- Apparatus for controlling gas temperature in compressors90US 6,206,660 B1National Power PLC · 2001