B63H 5/1252
The ability to move being conferred by gearing in transmission between prime
Official title: {the ability to move being conferred by gearing in transmission between prime mover and propeller and the propulsion unit being other than in a "Z" configuration}
B63H5/1252 (The ability to move being conferred by gearing in transmission between prime) appears on 60 US grants and 30 published applications in this corpus.
Search patents in B63H- Granted patents
- 60
- Published applications
- 30
- Assignees
- 28
- Inventors
- 93
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 4 |
| 2023 | 1 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Balanced marine surfacing drive43US 4,790,782 ABrunswick Corporation · 1988
- Transom mounted marine propulsion device with lateral crankshaft and power shaft39US 4,382,797 AOutboard Marine Corporation · 1983
- Transom mounted marine propulsion device with fore and aft crankshaft and power shaft38US 4,408,994 AOutboard Marine Corporation · 1983
- Twin propeller marine propulsion unit37US 5,766,047 ABrunswick Corporation · 1998
- Unitary propelling and steering assembly for a power boat35US 3,933,116 A1976