Filings by year

D06L 4/24: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197820
197910
198010
198110
198220
198330
198410
198500
198620
198700
198800
198900
199000
199110
199200
199300
199420
199500
199600
199700
199800
199900
200010
200102
200210
200320
200403
200500
200621
200712
200800
200901
201001
201112
201201
201311
201420
201503
201602
201701
201800
201901
202001
202101
202210
202311
202410

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents