B60H 1/3421

Using only pivoting shutters

Official title: {using only pivoting shutters}

B60H1/3421 (Using only pivoting shutters) appears on 338 US grants and 465 published applications in this corpus.

Search patents in B60H
Granted patents
338
Published applications
465
Assignees
136
Inventors
739
Latest grant
22 Sep 2026

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B60H 1/3421: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197910
198000
198100
198200
198310
198400
198520
198600
198700
198810
198930
199010
199110
199210
199330
199440
199510
199640
199710
199830
199910
200010
200131
200213
200332
200469
200553
200628
200718
200812
200941
201005
201125
201215
201309
2014314
2015311
2016628
20171635
20182632
20192245
20203836
20212838
20223643
20232830
20242534
20252830
20262028

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