Filings by year

E01C 2301/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
198910
199000
199120
199200
199300
199400
199510
199630
199710
199810
199910
200000
200101
200211
200310
200411
200511
200601
200712
200810
200911
201003
201132
201210
201325
201420
201513
201614
201733
201844
2019910
202066
2021710
202212
202345
202482
202524
202635

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

Recent patents

Most cited

By later US patents