Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Production of high purity silicon by a heterogeneous arc heater reduction

Production of high purity silicon by a heterogeneous arc heater reduction

US Patent 4239740 · Granted Dec 16, 1980

Estimated economic value: $1,471,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Casting apparatus including a gas driven molten metal injector and method2004
Recirculating molten metal supply system and method2003
Filtering molten metal injector system and method2003
Molten metal injector system and method2003
Molten metal holder furnace and casting system incorporating the molten metal ho2003
Fluxing agent for metal cast joining2002
Compound cast product and method for producing a compound cast product2002
Pressurized molten metal holder furnace2002
Fluidized bed system for removing particulate contaminants from a gaseous stream1990
Apparatus and method for removing gaseous contaminants and particulate contamina1990
Methods of making high performance compacts and products1990
Compact ceramic tube filter array high-temperature gas filtration1990