Filings by year

E01C 23/085: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197730
197810
197950
198080
198170
198280
198330
198430
198540
198630
1987100
198890
198990
1990110
199130
199280
199350
199460
199590
199690
199780
199840
1999100
200070
200180
200253
200343
200438
2005311
20061015
2007513
20081219
2009716
20101317
20112332
20122028
20132449
20143854
20155245
20164361
20173466
20186064
20199280
20207271
20216679
20225968
20237266
20244338
20253532
20262929

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