Filings by year

B01J 2531/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198010
198100
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199510
199640
199720
199810
199910
200020
200100
200201
200312
200410
200500
200602
200700
200800
200920

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents