Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Ballast protecting device

Ballast protecting device

US Patent 7872426 · Granted Jan 18, 2011

Assignee

No assignee recorded.

Inventors

Unknown

View full patent text on Google Patents →

More Patents by These Inventors

Step sinusoidal voltage controlling method for hid, flourescent and incandescent2007

Power regulator1998

Switchmode AC power controller1996

High frequency AC voltage control1991

A.C. power controller with short circuit and overload protection1990

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly