David M. Wadsworth

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Laconia, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Low pressure chilling train for olefin plants
- Patent number 5,647,972
- Issue date Jul 15, 1997
- ABB Lummus Global Inc.
- Steven I. Kantorowicz
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Low pressure recovery of olefins from refinery offgases
- Patent number 5,502,971
- Issue date Apr 2, 1996
- ABB Lummus Crest Inc.
- Frank D. McCarthy
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...