Filings by year

B01J 2219/00531: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199310
199420
199550
199650
199730
199870
1999110
200060
200196
20022020
20031425
2004514
20051234
200658
200733
200875
200906
201073
201123
201215
201314
201421
201503
201602
201721
201821
201920
202023
202121
202200
202300
202410

By publication year. Applications have been published since 2001.

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By later US patents