Filings by year

B60K 20/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198910
199000
199100
199210
199300
199420
199500
199600
199700
199800
199920
200020
200151
200211
200321
200403
200512
200600
200703
200811
200901
201030
201102
201215
201341
201418
201596
201673
2017310
201878
201955
2020612
202136
2022106
202351
202411
202520
202603

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

Recent patents

Most cited

By later US patents