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F01B 2009/045

Planetary gearings

Official title: {Planetary gearings}

F01B2009/045 (Planetary gearings) appears on 51 US grants and 30 published applications in this corpus.

Search patents in F01B

Granted patents: 51
Published applications: 30
Assignees: 18
Inventors: 58
Latest grant: 22 Aug 2023

Filings by year

F01B 2009/045: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	3	0
1977	2	0
1978	2	0
1979	1	0
1980	0	0
1981	2	0
1982	1	0
1983	0	0
1984	2	0
1985	2	0
1986	1	0
1987	0	0
1988	2	0
1989	1	0
1990	2	0
1991	0	0
1992	1	0
1993	0	0
1994	2	0
1995	0	0
1996	0	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	1	1
2004	0	0
2005	0	0
2006	0	1
2007	0	1
2008	1	3
2009	1	2
2010	1	0
2011	1	1
2012	1	2
2013	2	0
2014	0	1
2015	1	3
2016	0	2
2017	2	2
2018	1	1
2019	5	3
2020	2	1
2021	4	4
2022	3	2
2023	1	0

By publication year. Applications have been published since 2001.

Recent patents

Internal combustion engine with an epicyclic gear train and reciprocating pistons22 Aug 2023US 11,732,641 B2
Reciprocating engine with extended minimum combustion chamber volume18 Oct 2022US 11,473,654 B2
Internal combustion engine22 Mar 2022US 11,280,293 B2Coutts Industries Inc.
Engine crank and connecting rod mechanism15 Mar 2022US 11,274,552 B2
Engine crank and connecting rod mechanism24 Aug 2021US 11,098,586 B2

Most cited

By later US patents