E04H 6/422

Automatically operated car-parks

Official title: {Automatically operated car-parks}

E04H6/422 (Automatically operated car-parks) appears on 128 US grants and 167 published applications in this corpus.

Search patents in E04H
Granted patents
128
Published applications
167
Assignees
73
Inventors
278
Latest grant
6 Oct 2026

Filings by year

E04H 6/422: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198810
198910
199000
199100
199210
199310
199420
199510
199610
199730
199800
199910
200030
200110
200242
200311
200401
200512
200600
200701
200803
200900
201002
201103
201211
201316
201423
201555
201655
201769
2018120
20192121
20201220
20211017
20221011
2023710
20241211
202568
202665

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

Subgroups

Granted patents