G04B 13/022

With parts made of hard material

Official title: {with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like}

G04B13/022 (With parts made of hard material) appears on 56 US grants and 69 published applications in this corpus.

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Granted patents
56
Published applications
69
Assignees
17
Inventors
80
Latest grant
12 May 2026

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G04B 13/022: granted patents and published applications per publication year
YearGranted patentsPublished applications
200802
200921
201005
201105
201235
201346
201467
201553
201661
201733
2018410
201921
202055
202124
202233
202320
202465
202512
202621

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