John A. Imsdahl

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Flow control system for an evaporative cooler sump
- Patent number 6,338,471
- Issue date Jan 15, 2002
- Donaldson Company, Inc.
- John A. Imsdahl
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Evaporative cooler for a gas turbine engine
- Patent number 6,206,348
- Issue date Mar 27, 2001
- Donaldson Company, Inc.
- John A. Imsdahl
- F28 - HEAT EXCHANGE IN GENERAL