4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Frank Rieck

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Method of producing an electromagnetic coil

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Solenoid valve having a clapper armature with yoke pins at...

Electrical generator or motor structure – Dynamoelectric – Reciprocating
Reexamination Certificate

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Valve construction

Valves and valve actuation – Electrically actuated valve – Having element dimensionally responsive to field
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Valve with manual activation

Valves and valve actuation – Mechanical movement actuator – Cam
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2101926

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