Filings by year

D04B 15/484: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197730
197810
197910
198000
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199310
199400
199510
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200701
200800
200900
201000
201100
201200
201301
201402
201500
201621
201720

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents