C01B 33/035

By decomposition or reduction of gaseous or vaporised silicon compounds in the

Official title: by decomposition or reduction of gaseous or vaporised silicon compounds in the presence of heated filaments of silicon, carbon or a refractory metal, e.g. tantalum or tungsten, or in the presence of heated silicon rods on which the formed silicon is deposited, a silicon rod being obtained, e.g. Siemens process

C01B33/035 (By decomposition or reduction of gaseous or vaporised silicon compounds in the) appears on 275 US grants and 344 published applications in this corpus.

Search patents in C01B
Granted patents
275
Published applications
344
Assignees
92
Inventors
466
Latest grant
25 Aug 2026

Filings by year

C01B 33/035: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197820
197960
198010
198110
198220
198330
198450
198560
198600
198720
198810
198930
199020
199110
199210
199300
199430
199520
199610
199700
199800
199940
200000
200100
200222
200324
200411
200511
200621
200705
200815
2009219
2010523
2011837
20121235
20131921
20141320
20152522
20161820
20171528
2018717
20192211
20201917
202169
20221616
2023710
2024712
202595
202663

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

Recent patents

Most cited

By later US patents