Filings by year

B61F 5/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198310
198410
198510
198600
198700
198800
198900
199010
199100
199210
199310
199400
199500
199600
199700
199810
199900
200000
200100
200200
200300
200401
200500
200610
200700
200800
200900
201000
201100
201200
201300
201400
201501
201600
201702
201810
201911
202011
202110
202200
202300
202401

By publication year. Applications have been published since 2001.