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David P. Herd
David P.
Herd
E - Fixed Constructions
21
B
Inventor
Affiliated with
Balanced stem fall-safe valve system
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
Fail-safe, non-pressure locking gate valve
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
Fluid flow apparatus
E - Fixed Constructions – 21 – B
Patent
[ 0.00 ] – not rated yet
High pressure gate valve with preloaded, stacked, solid...
F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
[ 0.00 ] – not rated yet
High pressure seal for temperature cycled applications
F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
[ 0.00 ] – not rated yet
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Profile ID: LFCA-PAI-P-65820
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