Filings by year

E04H 6/287: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198120
198200
198300
198400
198500
198600
198700
198800
198900
199020
199100
199210
199300
199400
199520
199600
199710
199800
199920
200000
200100
200200
200301
200400
200500
200601
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201912
202001
202112
202211
202300
202421

By publication year. Applications have been published since 2001.