Filings by year

E04H 1/1211: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197810
197900
198000
198100
198200
198300
198410
198500
198600
198700
198810
198900
199000
199100
199220
199300
199410
199500
199600
199710
199800
199910
200000
200100
200200
200300
200410
200502
200600
200711
200800
200900
201001
201100
201211
201312
201400
201510
201622
201704
201832
201911
202020
202147
202225
202350
202412
202510
202610

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

Recent patents

Most cited

By later US patents