4. Measuring and testing
  5. Fluid pressure gauge
  6. Diaphragm

John D. Mayhew, Jr.

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Knife gate valve

Valves and valve actuation – Reciprocating valve – Gate
Patent

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Method of making corrosion resistant valve

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Pipe pressure sensor

Measuring and testing – Fluid pressure gauge – Diaphragm
Patent

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Turn disc slide valve

Fluid handling – With casing – support – protector or static constructional... – Jacketed
Patent

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Profile ID: LFUS-PAI-P-749314

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