Filings by year

E01B 9/10: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197820
197900
198000
198110
198200
198320
198400
198500
198610
198700
198800
198910
199000
199100
199200
199300
199400
199500
199610
199700
199800
199900
200000
200110
200251
200301
200411
200502
200600
200700
200801
200900
201011
201100
201210
201310
201400
201502
201613
201701
201820
201912
202021
202101
202211
202310
202421
202511

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents