Filings by year

B01J 23/755: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976300
1977290
1978170
197990
1980110
1981180
1982110
198390
198480
198570
198670
1987150
1988130
198930
199050
199190
199270
199370
199480
1995120
1996100
1997150
199890
199980
2000100
200185
2002830
2003924
20041427
20052542
20062338
20071948
20082257
20092450
20103774
20113957
20123867
20135285
201448110
20156986
20168685
20178386
20187688
20196578
202075119
202181104
202279137
202385131
202483107
202596129
20266384

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

Recent patents

Most cited

By later US patents