F24C 15/2028
Using an air curtain
Official title: {using an air curtain}
F24C15/2028 (Using an air curtain) appears on 85 US grants and 96 published applications in this corpus.
Search patents in F24C- Granted patents
- 85
- Published applications
- 96
- Assignees
- 46
- Inventors
- 200
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 2 |
| 2004 | 3 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 0 | 4 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 6 |
| 2011 | 2 | 7 |
| 2012 | 0 | 2 |
| 2013 | 4 | 7 |
| 2014 | 0 | 2 |
| 2015 | 4 | 3 |
| 2016 | 2 | 7 |
| 2017 | 4 | 4 |
| 2018 | 5 | 3 |
| 2019 | 8 | 9 |
| 2020 | 7 | 10 |
| 2021 | 7 | 4 |
| 2022 | 5 | 5 |
| 2023 | 4 | 3 |
| 2024 | 3 | 1 |
| 2025 | 3 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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