Fred Lindeman

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
High temperature industrial furnace roof system
- Patent number 8,693,518
- Issue date Apr 8, 2014
- Merkle International Inc.
- Fred Lindeman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Removable filler module
- Patent number 8,428,096
- Issue date Apr 23, 2013
- Merkle International, Inc.
- Fred Lindeman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus and method for isolating zones of an industrial furnace
- Patent number 7,726,249
- Issue date Jun 1, 2010
- Merkle International, Inc.
- William R. Materna
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
In-barrel wetting screw charger
- Patent number 6,349,570
- Issue date Feb 26, 2002
- Merkle Engineers, Inc.
- Stephen Coates
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
HIGH TEMPERATURE INDUSTRIAL FURNACE ROOF SYSTEM
- Publication number 20110058589
- Publication date Mar 10, 2011
- Fred Lindeman
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
Suspended refractory curtain
- Publication number 20090293784
- Publication date Dec 3, 2009
- Fred Lindeman
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Apparatus and method for isolating zones of an industrial furnace
- Publication number 20080271655
- Publication date Nov 6, 2008
- William R. Materna
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
Removable filler module
- Publication number 20080271656
- Publication date Nov 6, 2008
- Fred Lindeman
- F27 - FURNACES KILNS OVENS RETORTS