4. Automatic temperature and humidity regulation
  5. Motors
  6. Relay

Rudolf Vollmer

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Actuating mechanism

Automatic temperature and humidity regulation – Motors – Relay
Patent

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Adjustment control for a thermostatic valve

Automatic temperature and humidity regulation – Heating radiator – Thermostatic
Patent

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Anti-backflow valve

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent

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Boiler draft control device

Liquid heaters and vaporizers – Safety devices – Fusible control
Patent

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Cleaning mechanism for a fluid filter

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent

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Profile ID: LFUS-PAI-P-437804

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