Inventor
AKKALA MARC W
US15 patents
⚠️ This page may combine multiple inventors who share the name “AKKALA MARC W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AOS HOLDING CO
11 patentsUS7032543B1Apr 25, 2006
Water heater with pressurized combustion
AOS HOLDING CO53 citations95
US6283067B1Sep 4, 2001
Potable water temperature management system
AOS HOLDING CO47 citations92
US6286465B1Sep 11, 2001
Water heater flue system
AOS HOLDING CO39 citations91
US6202935B1Mar 20, 2001
Combined potable water heater and hydronic heating system
AOS HOLDING CO26 citations89
US7421784B2Sep 9, 2008
Method of manufacturing a water heater with a leak detection system
AOS HOLDING CO27 citations88
US7513221B2Apr 7, 2009
Water heater with pressurized combustion
AOS HOLDING CO13 citations83
US6532906B1Mar 18, 2003
Inlet heat recovery module for water heater
AOS HOLDING CO18 citations83
US7316206B2Jan 8, 2008
Water heater with noise attenuation
AOS HOLDING CO13 citations82
US6422179B2Jul 23, 2002
Water heater flue system
AOS HOLDING CO16 citations82
US6679014B2Jan 20, 2004
Rooftop water heater
AOS HOLDING CO3 citations60
US6591788B2Jul 15, 2003
Rooftop water heater
AOS HOLDING CO5 citations60
SMITH CORP A O
4 patentsUS4817564AApr 4, 1989
Water heater construction
SMITH CORP A O46 citations92
US4953510ASep 4, 1990
Apparatus and method for heating water
SMITH CORP A O34 citations86
US4951614AAug 28, 1990
Water heater construction
SMITH CORP A O16 citations73
US4911108AMar 27, 1990
Water heater construction
SMITH CORP A O13 citations73