Filings by year

B60K 31/045: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197830
197930
198010
198110
198240
198320
198460
198560
198660
198790
1988120
1989200
1990240
1991300
1992150
1993140
199470
1995120
1996180
1997200
1998140
1999120
2000130
2001184
2002126
200365
200447
200555
200641
200724
200812
200912
201024
201113
201263
201342
201430
201501
201622
201703
201843
201922
202022
202110
202210
202311

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents