Filings by year

D01B 1/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197730
197820
197930
198070
198120
198270
198320
198450
198550
198650
198740
198840
198930
199060
199150
199230
199320
199410
199550
199630
199740
199830
199940
200080
200161
200230
200330
200401
200501
200603
200713
200810
200914
2010416
201112
201252
201352
201433
201525
201611
201714
201824
201936
202014
202173
202252
202320
202403
202522
202601

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