Filings by year

B01J 20/3246: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197770
197840
197920
198040
198170
1982130
1983150
1984110
1985150
1986120
1987220
1988280
1989320
1990360
1991300
1992330
1993200
1994260
1995170
1996260
1997260
1998290
1999390
2000290
20012215
20023041
20032443
20042457
20052541
20063644
20072545
20082449
20092647
20102950
20112254
20123547
20134663
20143960
20154461
20164854
20173548
20184544
20192840
20203945
20213048
20223244
20233449
20243261
20253060
20262334

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents