Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Protective relay apparatus and method for providing single-pole tripping

Protective relay apparatus and method for providing single-pole tripping

US Patent 4538196 · Granted Aug 27, 1985

Estimated economic value: $3,740,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Local reference voltage generator for non-volatile memory2024
Memory device, image processing chip, and memory control method2023
Local reference voltage generator for non-volatile memory2023
Automatic mode switch portable electronic device2014
Integrated circuit chip and testing method capable of detecting connection error2014
Methods and systems for automatic testing of a relay1998
System for time stamping events using a remote master clock1991
Electric power system with remote monitoring and control of protective relays1990
Electric power system with remote monitoring and control of protective relays1990
Electromagnet relay with flux biasing1990
Phase comparison relaying system with single channel communications link1990
Apparatus and method for secure digital communication1990