B64C 39/064
With radial airflow
Official title: {with radial airflow}
B64C39/064 (With radial airflow) appears on 58 US grants and 60 published applications in this corpus.
Search patents in B64C- Granted patents
- 58
- Published applications
- 60
- Assignees
- 26
- Inventors
- 103
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 8 |
| 2003 | 5 | 0 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 5 |
| 2009 | 1 | 4 |
| 2010 | 1 | 4 |
| 2011 | 0 | 3 |
| 2012 | 3 | 4 |
| 2013 | 2 | 3 |
| 2014 | 1 | 0 |
| 2015 | 3 | 0 |
| 2016 | 2 | 2 |
| 2017 | 3 | 4 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Aerolift Systems and Methods Using Air Ducts and Lifting Bodies26 Feb 2026US 2026/0054833 A1Bansi Aviation, LLC
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Most cited
By later US patents