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F01N 2570/02

Lead

F01N2570/02 (Lead) appears on 11 US grants and 2 published applications in this corpus.

Search patents in F01N

Granted patents: 11
Published applications: 2
Assignees: 10
Inventors: 19
Latest grant: 9 May 2017

Filings by year

F01N 2570/02: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	2	0
1977	0	0
1978	2	0
1979	1	0
1980	1	0
1981	1	0
1982	0	0
1983	0	0
1984	2	0
1985	0	0
1986	0	0
1987	0	0
1988	0	0
1989	0	0
1990	0	0
1991	0	0
1992	0	0
1993	0	0
1994	0	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	0	0
2004	0	0
2005	0	1
2006	0	0
2007	0	0
2008	0	0
2009	1	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	0	0
2016	0	1
2017	1	0

By publication year. Applications have been published since 2001.

Recent patents

Device and method to use the same to purify pollutant gases9 May 2017US 9,644,519 B2Umm Al-Qura University
Diesel particulate filter1 Dec 2009US 7,625,538 B2Haldor Topsoe A/S
Method for exhaust gas treatment29 May 1984US 4,451,441 AW. R. Grace & Co.
Catalyst composition for exhaust gas treatment17 Jan 1984US 4,426,320 AW. R. Grace & Co.
Lead filter for internal combustion engine exhaust gases10 Mar 1981US 4,255,173 ATexaco Inc.

Most cited

By later US patents