Filings by year

E01B 25/26: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197800
197910
198020
198110
198210
198330
198420
198510
198600
198720
198800
198920
199070
199130
199230
199320
199420
199500
199600
199700
199820
199900
200010
200110
200231
200321
200402
200510
200610
200701
200802
200910
201013
201100
201210
201301
201414
201532
201612
201722
201803
201922
202040
202115
202212
202323
202433
202521
202621

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

Recent patents

Most cited

By later US patents