Brian N. Drifka

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Pewaukee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable shear direct contact steam injection heater
- Patent number 5,842,497
- Issue date Dec 1, 1998
- Hydro-Thermal Corporation
- Brian N. Drifka
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Portable metal drum opening apparatus
- Patent number 5,802,725
- Issue date Sep 8, 1998
- Hydro-Thermal Corporation
- Brian N. Drifka
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...