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Patents Grantslast 30 patents

Information Patent Grant
Rotary regenerative heat exchanger and rotor therefor
- Patent number 7,082,987
- Issue date Aug 1, 2006
- Howden Power Limited
- John A. Hamilton
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method of enhancing the aerodynamic performance of a fan
- Patent number 6,971,840
- Issue date Dec 6, 2005
- Howden Power Limited
- Ronald G. Mulholland
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Welded connector for blade liner
- Patent number 6,705,837
- Issue date Mar 16, 2004
- Howden Power Limited
- Robert Alexander Walker
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

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