Filings by year

B01J 20/3206: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197730
197830
197960
198020
198130
198250
198390
198470
198560
198690
1987130
1988190
1989160
1990140
1991160
1992230
1993120
1994240
1995230
1996300
1997470
1998270
1999270
2000390
20012716
20022952
20033145
20043260
20052650
20063839
20072847
20081944
20092944
20102856
20112542
20123345
20134155
20144167
20153361
20164571
20174783
20185466
20195189
20205683
20217496
20225066
20236379
20245991
20256293
20262956

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