H02S 20/21

Specially adapted for motorways

Official title: specially adapted for motorways, e.g. integrated with sound barriers

H02S20/21 (Specially adapted for motorways) appears on 45 US grants and 87 published applications in this corpus.

Search patents in H02S
Granted patents
45
Published applications
87
Assignees
48
Inventors
148
Latest grant
11 Aug 2026

Filings by year

H02S 20/21: granted patents and published applications per publication year
YearGranted patentsPublished applications
199810
199900
200000
200100
200200
200300
200400
200503
200622
200700
200801
200912
201022
201113
201222
201300
201411
201502
201627
201722
201838
201935
202055
202125
202248
202305
2024511
202535
202668

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

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