Filings by year

B60C 23/0423: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198100
198200
198300
198400
198500
198600
198700
198810
198900
199010
199100
199210
199310
199410
199510
199610
199710
199820
199910
200000
200100
200220
200301
200410
200500
200600
200702
200800
200900
201000
201110
201200
201301
201400
201500
201600
201700
201800
201900
202000
202100
202200
202301

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents