F04B 39/066
Cooling by ventilation
Official title: {Cooling by ventilation}
F04B39/066 (Cooling by ventilation) appears on 200 US grants and 225 published applications in this corpus.
Search patents in F04B- Granted patents
- 200
- Published applications
- 225
- Assignees
- 126
- Inventors
- 455
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 5 |
| 2002 | 6 | 2 |
| 2003 | 7 | 9 |
| 2004 | 4 | 10 |
| 2005 | 5 | 6 |
| 2006 | 7 | 10 |
| 2007 | 1 | 3 |
| 2008 | 0 | 4 |
| 2009 | 1 | 7 |
| 2010 | 1 | 1 |
| 2011 | 3 | 3 |
| 2012 | 3 | 4 |
| 2013 | 0 | 16 |
| 2014 | 7 | 7 |
| 2015 | 11 | 14 |
| 2016 | 6 | 6 |
| 2017 | 5 | 6 |
| 2018 | 14 | 8 |
| 2019 | 5 | 11 |
| 2020 | 10 | 8 |
| 2021 | 12 | 14 |
| 2022 | 6 | 16 |
| 2023 | 7 | 10 |
| 2024 | 15 | 17 |
| 2025 | 15 | 16 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air compressor29 Sep 2026US 12,747,730 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Pump comprising a pressure chamber and a cooling system25 Aug 2026US 12,716,407 B2KNF Neuberger GmbH
- 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
- Gas inflation device14 Jul 2026US 12,680,539 B2Chongqing Maiyi Technology Co., Ltd.
- Compact air compressor2 Jun 2026US 12,644,443 B2Changzhou Giant Electric Co, Ltd.
- Packaged gas compressor13 Aug 2026US 2026/0235128 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Core of inflatable pump16 Jul 2026US 2026/0201875 A1
- Air compressor cylinder16 Jul 2026US 2026/0201879 A1Mastery Investment LLC
- Apparatus for inflating and blowing11 Jun 2026US 2026/0160239 A1Shenzhen Carku Technology Co., Limited
- Gas inflation device14 May 2026US 2026/0132777 A1Chongqing Maiyi Technology Co., Ltd.
Most cited
By later US patents
- Compression unit for a volumetric compressor without lubrification94US 10,830,225 B2Mgf S.R.L. · 2020
- Compressor control system and method82US 6,082,971 AIngersoll-Rand Company · 2000
- Integrated high capacity compressor56US 4,190,402 AInternational Telephone and Telegraph Corporation · 1980
- Cylinder sleeve for an air compressor55US 5,584,675 ADeVilbiss Air Power Company · 1996
- Portable air compressor system for respirator52US 4,080,103 A1978