F24F 8/60
Treatment: by adding oxygen
Official title: by adding oxygen
F24F8/60 (Treatment: by adding oxygen) appears on 57 US grants and 65 published applications in this corpus.
Search patents in F24F- Granted patents
- 57
- Published applications
- 65
- Assignees
- 47
- Inventors
- 149
- Latest grant
- 4 Nov 2025
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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 6 | 6 |
| 2005 | 1 | 5 |
| 2006 | 1 | 7 |
| 2007 | 4 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 4 | 0 |
| 2011 | 1 | 6 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 3 | 1 |
| 2021 | 5 | 6 |
| 2022 | 2 | 6 |
| 2023 | 2 | 3 |
| 2024 | 3 | 0 |
| 2025 | 3 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Oxygen Generator with Negative Oxygen Ions and Diffused Oxygen System17 Jul 2025US 2025/0229050 A1Xizang Fuyang Technology Co., Ltd.
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- Hvac system20 Mar 2025US 2025/0093068 A1Omachron Intellectual Propertu Inc.
Most cited
By later US patents
- Method and system for improved-efficiency air-conditioning49US 8,157,892 B2Enverid Systems, Inc. · 2012
- Altitude simulation method and system44US 6,565,624 B2Colorado Altitude Training LLC · 2003
- Oxygen enrichment of indoor human environments43US 6,866,701 B22005
- Oxygen enrichment of indoor human environments42US 6,726,558 B12004
- Method and system for improved-efficiency air-conditioning35US 8,491,710 B2Enverid Systems, Inc. · 2013