B60B 2900/311

Rigidity or stiffness

B60B2900/311 (Rigidity or stiffness) appears on 253 US grants and 321 published applications in this corpus.

Search patents in B60B
Granted patents
253
Published applications
321
Assignees
176
Inventors
550
Latest grant
6 Oct 2026

Filings by year

B60B 2900/311: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198400
198500
198600
198710
198830
198910
199010
199100
199200
199300
199400
199500
199610
199710
199800
199900
200020
200152
200240
200304
200433
200522
200634
200733
200842
200910
201001
201113
201219
2013322
20141024
2015931
20163129
20172236
20182230
20192929
20202823
20211218
20221113
20231310
2024127
20251010
202636

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