Louis R. Castaneda

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Pressure relief valves adapted for low pressure operation
- Patent number 5,555,910
- Issue date Sep 17, 1996
- Groth Corporation
- Walter W. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing means for pressure relief valves and methods of assembly
- Patent number 5,499,648
- Issue date Mar 19, 1996
- Groth Corporation
- Walter W. Powell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Float assisted automatic driptrap
- Patent number 5,421,360
- Issue date Jun 6, 1995
- Groth Corporation
- Louis R. Castaneda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Diaphragm operated spring loaded regulator
- Patent number 5,238,021
- Issue date Aug 24, 1993
- Groth Corporation
- Walter W. Powell
- G05 - CONTROLLING REGULATING