Assignee
HEATCRAFT
US18 patents
Top patents by PatentIndex Score
US5873519AFeb 23, 1999
Electronic thermostat with multiple program options
HEATCRAFT309 citations98
US5684717ANov 4, 1997
Apparatus for monitoring operation of heating and cooling systems
HEATCRAFT64 citations95
US5551248ASep 3, 1996
Control apparatus for space cooling system
HEATCRAFT69 citations95
US5042576AAug 27, 1991
Louvered fin heat exchanger
HEATCRAFT68 citations95
US5826646AOct 27, 1998
Flat-tubed heat exchanger
HEATCRAFT77 citations92
US5584340ADec 17, 1996
Heat exchanger with flexible tube support
HEATCRAFT23 citations91
US6550257B1Apr 22, 2003
Angled UV fixture in a-coil
HEATCRAFT23 citations89
US6138464AOct 31, 2000
Defrost control for space cooling system
HEATCRAFT20 citations88
US5771964AJun 30, 1998
Heat exchanger with relatively flat fluid conduits
HEATCRAFT38 citations88
US5613554AMar 25, 1997
A-coil heat exchanger
HEATCRAFT62 citations88
US6016864AJan 25, 2000
Heat exchanger with relatively flat fluid conduits
HEATCRAFT22 citations86
US5056327AOct 15, 1991
Hot gas defrost refrigeration system
HEATCRAFT46 citations86
US5927393AJul 27, 1999
Heat exchanger fin with enhanced corrugations
HEATCRAFT53 citations85
US6321548B1Nov 27, 2001
Apparatus for automatically closing a cooling system expansion valve in response to power loss
HEATCRAFT21 citations82
US6604574B1Aug 12, 2003
Two-piece header and heat exchanger incorporating same
HEATCRAFT16 citations76
US5970726AOct 26, 1999
Defrost control for space cooling system
HEATCRAFT8 citations69
US5644841AJul 8, 1997
Method for manufacturing a heat transfer coil
HEATCRAFT9 citations69
US5275234AJan 4, 1994
Split resistant tubular heat transfer member
HEATCRAFT19 citations69