Filings by year

Y02A 40/80: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976200
1977300
1978190
1979160
1980280
1981250
1982200
1983190
1984200
1985140
1986130
1987210
1988170
1989240
1990320
1991340
1992350
1993230
1994240
1995200
1996160
1997280
1998430
1999330
2000370
2001368
20024239
20034653
20043247
20052647
20062375
20072445
20082573
20092368
20103684
20112582
20124582
20134795
20146686
201555124
201660113
201758124
201882120
201960118
2020106152
202181161
202281181
2023146181
2024117129
202510582
20264751

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents