Apparatus for forming glass tubes, a heating chamber and a process for the manufacture of an apparatus for forming glass tubes
US-11845686-B2 · Dec 19, 2023 · US
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Revolving forehearths
Revolving forehearths · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C03B7/04 |
| Official title | Revolving forehearths |
| Display label | Revolving forehearths |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2020 | 1 |
| 2022 | 2 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Gob distributor for a machine for forming glass articles
US-11401189-B2 · Aug 2, 2022 · US
Apparatus for forming glass tubes, a heating chamber and a process for the manufacture of an apparatus for forming glass tubes
US-2022204380-A1 · Jun 30, 2022 · US
Gob Distributor for a Machine for Forming Glass Articles
US-2020087188-A1 · Mar 19, 2020 · US