Inventor
SHELLENBERGER TIMOTHY J
US30 patents
⚠️ This page may combine multiple inventors who share the name “SHELLENBERGER TIMOTHY J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RHEEM MFG CO
21 patentsUS5347980ASep 20, 1994
Dual drainage slope recuperative heat exchanger assembly for fuel-fired condensing furnaces
RHEEM MFG CO57 citations96
US5042453AAug 27, 1991
Compact, high efficiency heat exchanger for a fuel-fired forced air heating furnace
RHEEM MFG CO47 citations96
US4974579ADec 4, 1990
Induced draft, fuel-fired furnace apparatus having an improved, high efficiency heat exchanger
RHEEM MFG CO41 citations92
US4960102AOct 2, 1990
Fuel-fired condensing type forced air heating furnace
RHEEM MFG CO35 citations92
US4951651AAug 28, 1990
Vent overpressurization detection system for a fuel-fired, induced draft furnace
RHEEM MFG CO32 citations92
US4729328AMar 8, 1988
Trap assembly for a condensing fossil fuel furnace
RHEEM MFG CO29 citations92
US9188372B2Nov 17, 2015
Air conditioner and heat pump condensing unit chassis with enhanced serviceability access
RHEEM MFG CO7 citations82
US9739483B2Aug 22, 2017
Fuel/air mixture and combustion apparatus and associated methods for use in a fuel-fired heating apparatus
RHEEM MFG CO7 citations81
US10281143B2May 7, 2019
Pre-mix fuel-fired appliance with improved heat exchanger interface
RHEEM MFG CO11 citations80
US9772119B2Sep 26, 2017
Fuel-fired heating appliance having improved burner assembly
RHEEM MFG CO7 citations78
USD360258SJul 11, 1995
Heat exchanger for fuel fired furnaces
RHEEM MFG CO8 citations74
US4887959ADec 19, 1989
Gas furnace with improved ignition
RHEEM MFG CO20 citations74
US4926840AMay 22, 1990
Pilot gas bypass system for fuel-fired furnaces
RHEEM MFG CO8 citations73
US10976048B2Apr 13, 2021
Diffuser plate for premixed burner box
RHEEM MFG CO3 citations71
US9951945B2Apr 24, 2018
Diffuser plate for premixed burner box
RHEEM MFG CO2 citations71
US10571122B2Feb 25, 2020
Fuel/air mixture and combustion apparatus and associated methods for use in a fuel-fired heating apparatus
RHEEM MFG CO2 citations70
USD335337SMay 4, 1993
Heat exchanger for fuel fired furnaces
RHEEM MFG CO4 citations63
US12366357B2Jul 22, 2025
Fuel/air mixture and combustion apparatus and associated methods for use in a fuel-fired heating apparatus
RHEEM MFG CO0 citations59
US11402093B2Aug 2, 2022
Fuel/air mixture and combustion apparatus and associated methods for use in a fuel-fired heating apparatus
RHEEM MFG CO0 citations59
US11129918B1Sep 28, 2021
Air sanitation devices and systems
RHEEM MFG CO0 citations50
US11603991B2Mar 14, 2023
Optimized burners for boiler applications
RHEEM MFG CO0 citations41
AMERICAN WATER HEATER CO
6 patentsUS6053130AApr 25, 2000
Power vent water heater with electronic control system
AMERICAN WATER HEATER CO93 citations98
US6308009B1Oct 23, 2001
Electric water heater with electronic control
AMERICAN WATER HEATER CO71 citations94
US7360506B2Apr 22, 2008
Low CO water heater
AMERICAN WATER HEATER CO26 citations92
US7380522B2Jun 3, 2008
Energy saving water heater
AMERICAN WATER HEATER CO36 citations90
US6137955AOct 24, 2000
Electric water heater with improved heating element
AMERICAN WATER HEATER CO27 citations90
US7261061B2Aug 28, 2007
Water heater with lint collection detection
AMERICAN WATER HEATER CO10 citations79