Filings by year

D04B 15/78: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976170
197750
197850
197940
198050
198140
198240
198320
198420
198510
198610
198760
198840
198950
199040
199170
199260
199350
199420
199560
199630
199730
199840
199930
200050
200131
200211
200344
200413
200543
200621
200711
200800
200901
201010
201100
201200
201302
201401
201502
2016515
201730
201831
201961
202021
202101
202222
202302
202430
202513
202620

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

Recent patents

Most cited

By later US patents