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B23Q 7/002

Screw or rotary spiral conveyors

Official title: {Screw or rotary spiral conveyors (B23Q7/1426 takes precedence)}

B23Q7/002 (Screw or rotary spiral conveyors) appears on 9 US grants and 3 published applications in this corpus.

Search patents in B23Q

Granted patents: 9
Published applications: 3
Assignees: 8
Inventors: 17
Latest grant: 7 Jan 2020

Filings by year

B23Q 7/002: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	1	0
1978	0	0
1979	0	0
1980	0	0
1981	0	0
1982	0	0
1983	0	0
1984	0	0
1985	0	0
1986	0	0
1987	0	0
1988	2	0
1989	0	0
1990	1	0
1991	0	0
1992	0	0
1993	0	0
1994	0	0
1995	0	0
1996	1	0
1997	0	0
1998	0	0
1999	0	0
2000	0	0
2001	0	0
2002	0	0
2003	0	0
2004	0	0
2005	0	0
2006	0	0
2007	0	0
2008	0	0
2009	0	0
2010	0	0
2011	0	0
2012	0	0
2013	0	1
2014	0	0
2015	0	0
2016	0	1
2017	1	0
2018	0	1
2019	0	0
2020	1	0

By publication year. Applications have been published since 2001.

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