Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Switching apparatus with contacts controllable by an electromagnet

Switching apparatus with contacts controllable by an electromagnet

US Patent 4990875 · Granted Feb 5, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electric elastic clamp1999
Cutoff structure for circuit breaker1997
Protective switching apparatus with remotely controlled opening and closing of t1989
Protective switching apparatus with remotely controlled opening and closing of t1989
Device for snap fitting an electric apparatus onto a support bar1987
Electric control device adaptable to a two state switching device1987
Protective switching apparatus1987
Switching device with antiarcing screen1987
Additive block couplable to a circuit breaker1987
High speed current maximum tripping device1986