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Robert C. Houlgrave
Robert C.
Houlgrave
F - Mech Eng,Light,Heat,Weapons
16
K
Inventor
Country: United States Of America
Affiliated with
Actuator for expanding gate valves
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
Expanding gate valve having mechanically secured seats
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
Integral buoyant riser
E - Fixed Constructions – 21 – B
Patent
[ 0.00 ] – not rated yet
Limited float seat construction for expanding gate valve
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
Metallic seat construction for valves
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
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Profile ID: LFCA-PAI-P-193996
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