Filings by year

B01J 2531/845: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976260
1977130
1978210
1979210
1980270
1981290
1982340
1983200
1984120
1985130
198690
1987100
198840
1989110
1990130
199190
1992120
1993150
1994130
1995180
1996150
1997150
1998160
1999190
2000140
2001123
20022215
20032434
20042540
20051729
20062427
20072114
20081824
20091118
20101634
2011928
20121126
20131529
20142146
20152537
20164026
20172835
20182320
20192338
20201932
20212931
20221535
20232025
20243130
20252321
202695

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents