4. Valves and valve actuation
  5. Reciprocating valve
  6. Gate

Bernhard Duelli

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Closure device for vacuum closure of at least one opening in...

Valves and valve actuation – With means to increase head and seat contact pressure – With positive reduction
Reexamination Certificate

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Diaphragm bellows device

Spring devices – Bendable along flat surface – Bow spring or superposed spring elements
Reexamination Certificate

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Linear motion leadthrough

Valves and valve actuation – Hermetic flexible wall seal for actuator – Bellows
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Method for control of a vacuum valve arranged between two...

Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
Reexamination Certificate

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Regulating vacuum valve

Valves and valve actuation – Electrically actuated valve – Rotary electric actuator
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Profile ID: LFUS-PAI-P-2266875

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