Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Energy controller for conversion from a direct current source to a variable frequency load

Energy controller for conversion from a direct current source to a variable frequency load

US Patent 4258303 · Granted Mar 24, 1981

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Personal spirometer2018
Conductive fabric sensor for vehicle seats1999
Method of making an injection molded glass guidance component1993
Reverse phase angle control of A.C. power loads1991
Power control system1987
Overhanging barrier fin weatherstrip and method of manufacture1981
Weatherstrip with heat sealed substrate1981
Energy controller for conversion from a direct current source to a variable freq1981
Energy controller for conversion from a direct current source to a variable freq1980