Filings by year

D04H 1/66: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197730
197820
197930
198010
198120
198200
198310
198420
198520
198620
198700
198820
198900
199000
199110
199200
199300
199400
199510
199610
199720
199810
199930
200030
200143
200207
200334
200422
200503
200612
200715
200810
200901
201012
201102
201221
201321
201410
201500
201602
201701
201812
201934
202010
202111
202217
202300
202432
202530
202603

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

Recent patents

Most cited

By later US patents