Filings by year

E01C 23/122: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197820
197910
198030
198100
198250
198320
198420
198540
198600
198740
198840
198940
199010
199150
199220
199330
199410
199510
199630
199770
199810
199930
200010
200100
200231
200301
200411
200502
200605
200731
200856
200923
201045
2011710
201266
20131021
20141429
20152526
20162534
20172444
20183538
20195150
20205136
20214143
20222535
20234740
20243515
20251815
20261113

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents