Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Automatic metering/supplying apparatus for granular substances

Automatic metering/supplying apparatus for granular substances

US Patent 5855232 · Granted Jan 5, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for measuring mechanical strength of neck portion of seed c2000
Method for feeding granular silicon material, feed pipe used in the method, and 1999
Method for feeding granular silicon material, feed pipe used in the method, and 1999
Method of manufacturing silicon monocrystal by continuously charged Czochralski 1999
Cleaning method of crucible1999
Cleaning method of crucible1999
Method for feeding a granular raw material and feeding apparatus1999
Method for feeding a granular raw material and feeding apparatus1999
Apparatus for recharging of silicon granules in a czochralski single crystal gro1999
Method of manufacturing silicon monocrystal using continuous czochralski method1998
Method for recharging of silicon granules in a Czochralski single crystal growin1997
Method and apparatus for producing a Czochralski growth semiconductor single-cry1995