Filings by year

B01J 35/638: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976140
197790
1978110
197930
198020
198130
198240
198350
198460
1985100
198630
198790
1988140
198960
199020
199140
199230
199350
199450
199560
199630
199730
199870
199980
200070
200140
200285
200348
2004914
2005514
2006618
2007616
200849
2009912
20101525
20111117
20121246
20131223
20142425
20153135
20161939
20172835
20183135
20193440
20203545
20214146
20224160
20233247
20242840
20253246
20262424

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

Recent patents

Most cited

By later US patents