Filings by year

E04H 6/34: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198110
198200
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199500
199600
199700
199800
199910
200000
200100
200200
200300
200400
200500
200600
200700
200800
200900
201000
201100
201200
201301
201402
201502
201600
201754
201814
201913
202032
202111
202220
202326
202437
202522
202621

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

Recent patents

Most cited

By later US patents