Filings by year

E04H 1/1233: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199010
199110
199200
199310
199400
199510
199610
199700
199810
199940
200010
200130
200201
200311
200422
200510
200601
200710
200810
200901
201010
201100
201212
201322
201412
201523
201611
201731
201811
201912
202011
202111
202211
202312
202401
202522

By publication year. Applications have been published since 2001.