F04B 39/0038
Of inlet or outlet channels
Official title: {of inlet or outlet channels}
F04B39/0038 (Of inlet or outlet channels) appears on 28 US grants and 34 published applications in this corpus.
Search patents in F04B- Granted patents
- 28
- Published applications
- 34
- Assignees
- 27
- Inventors
- 78
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 5 |
| 2020 | 4 | 1 |
| 2021 | 1 | 5 |
| 2022 | 4 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Novel design and production technique of synthetic jet actuators28 May 2026US 2026/0146595 A1Actasys Inc.
- Novel Design and Production Technique of Synthetic Jet Actuators3 Oct 2024US 2024/0328441 A1Actasys Inc.
- Rotary compressor17 Aug 2023US 2023/0258370 A1Daikin Industries, Ltd.
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Most cited
By later US patents
- Air compressor apparatus including noise-reducing means82US 4,264,282 AK. C. Mosier Company · 1981
- Enclosure for an air compressor35US 6,790,012 B2Ingersoll-Rand Company · 2004
- Acoustic chamber26US 6,145,616 A2000
- Compressor system26US 6,447,264 B1Ingersoll-Rand Company · 2002
- Silencer16US 7,753,167 B2SMC Corporation · 2010