Filings by year

E04G 21/201: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197810
197900
198010
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199610
199700
199800
199900
200000
200100
200212
200300
200400
200500
200611
200700
200810
200901
201030
201111
201210
201300
201401
201511
201600
201700
201822
201920
202011
202100
202211
202311
202404
202510
202620

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