F15B 15/068
The motor being of the helical type
Official title: {the motor being of the helical type}
F15B15/068 (The motor being of the helical type) appears on 131 US grants and 66 published applications in this corpus.
Search patents in F15B- Granted patents
- 131
- Published applications
- 66
- Assignees
- 76
- Inventors
- 186
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 0 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 5 |
| 2006 | 3 | 2 |
| 2007 | 3 | 0 |
| 2008 | 1 | 2 |
| 2009 | 3 | 5 |
| 2010 | 1 | 1 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 3 | 3 |
| 2017 | 3 | 5 |
| 2018 | 6 | 9 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 4 | 3 |
| 2022 | 3 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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