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Fritz Zundel
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Besigheim, DE
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last 30 patents
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Patent Grant
Process and apparatus for the burning off of carbon (SOOT) deposite...
Patent number
5,028,405
Issue date
Jul 2, 1991
Filterwerk Mann & Hummel GmbH
Hans Erdmannsdoerfer
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patent Grant
Process for producing soot filter elements
Patent number
4,948,549
Issue date
Aug 14, 1990
Filterwerk Mann & Hummel GmbH
Hans Erdmannsdorfer
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Grant
Soot collector with fluid metering device
Patent number
4,842,623
Issue date
Jun 27, 1989
Filterwerk Mann & Hummel GmbH
Fritz Zundel
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS