H01B 3/08

Quartz

Official title: quartz; glass; glass wool; slag wool; vitreous enamels

H01B3/08 (Quartz) appears on 200 US grants and 129 published applications in this corpus.

Search patents in H01B
Granted patents
200
Published applications
129
Assignees
136
Inventors
497
Latest grant
18 Aug 2026

Filings by year

H01B 3/08: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976110
197750
197850
197940
198030
198150
198240
198340
198430
198550
198640
198740
198860
198970
199050
1991130
1992100
199380
199420
199530
199620
199730
199810
199900
200010
200100
200212
200312
200431
200503
200602
200701
200822
200912
201013
201113
201202
201326
201424
201537
201647
2017511
2018512
2019104
202049
2021611
202266
202357
202498
202563
2026511

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

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