Assignee
HOGLUND STEVEN
US3 patents
Top patents by PatentIndex Score
US8734565B2May 27, 2014
Methods and systems of verifying a filter change in an HVAC system
HOGLUND STEVEN38 citations92
US8704672B2Apr 22, 2014
Filter change alert system for an HVAC system
HOGLUND STEVEN45 citations92
US10119718B2Nov 6, 2018
Methods and systems for monitoring an air filter of an HVAC system
HOGLUND STEVEN15 citations82