Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Calibration technique for variable speed motors

Calibration technique for variable speed motors

US Patent 4860231 · Granted Aug 22, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Energy recovery ventilator with reduced power consumption2022
High efficiency modulating gas furnace2020
Thermos at algorithm for fully modulating furnaces2019
Energy recovery ventilator with reduced power consumption2019
Starch settling recovery system2018
Furnace control system and method2018
Method and system for variable speed blower control2015
Method and system for controlling an inducer in a modulating furnace2015
Pressure switch assembly for a furnace2012
Network projector interface system2007
System and method for updating an image display device from a remote location2007
Projector device user interface system2006