Filings by year

F02N 15/028: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200610
200701
200800
200911
201002
201110
201210
201301
201400
201510
201600
201700
201800
201911
202002
202110
202210

By publication year. Applications have been published since 2001.