Filings by year

E01C 23/0933: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197820
197920
198020
198110
198230
198320
198440
198500
198610
198710
198860
198960
199060
199120
199230
199350
199410
199540
199630
199710
199820
199910
200030
200110
200251
200353
200413
200502
200633
200718
200854
200923
201040
201135
201224
201333
201437
201584
201674
201728
2018813
2019117
202084
2021412
2022104
2023510
2024711
202542
202674

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

Subgroups

Granted patents