James D. Jeffrey

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Baytown, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cleaning heat exchanger tube bundles
- Patent number 5,018,544
- Issue date May 28, 1991
- Ohmstede Mechanical Services, Inc.
- Thomas B. Boisture
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Multi-lance tube cleaning system
- Patent number 5,002,120
- Issue date Mar 26, 1991
- Thomas B. Boisture
- F28 - HEAT EXCHANGE IN GENERAL