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Roy L. Feiss
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Southampton, PA, US
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last 30 patents
Information
Patent Grant
Steam desuperheater
Patent number
5,385,121
Issue date
Jan 31, 1995
Keystone International Holdings Corp.
Roy L. Feiss
F22 - STEAM GENERATION
Information
Patent Grant
Conditioning valve
Patent number
5,005,605
Issue date
Apr 9, 1991
Keystone International Holdings Corp.
Max Kueffer
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Turbine filter with pressure seal bonnet
Patent number
5,000,851
Issue date
Mar 19, 1991
Keystone International Holdings Corp.
Max Kueffer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Combination valve
Patent number
4,244,388
Issue date
Jan 13, 1981
Crane Co.
Roy L. Feiss
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...