Wolfgang Spreitzer

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Wehingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Butterfly flap reduction gear
- Patent number 11,933,517
- Issue date Mar 19, 2024
- Gruner AG
- Kevin Dillinger
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Volume flow regulator
- Patent number 10,670,295
- Issue date Jun 2, 2020
- Gruner AG
- Wolfgang Spreitzer
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
VOLUMETRIC-FLOW CONTROLLER HAVING AN INTEGRATED AIR QUALITY SENSOR
- Publication number 20230392815
- Publication date Dec 7, 2023
- Gruner AG
- Wolfgang Spreitzer
- F24 - HEATING RANGES VENTILATING
Information Patent Application
BUTTERFLY FLAP REDUCTION GEAR
- Publication number 20210396424
- Publication date Dec 23, 2021
- Gruner AG
- Kevin Dillinger
- F24 - HEATING RANGES VENTILATING
Information Patent Application
VOLUME FLOW REGULATOR
- Publication number 20190178524
- Publication date Jun 13, 2019
- Gruner AG
- Wolfgang Spreitzer
- G05 - CONTROLLING REGULATING
Information Patent Application
Volume flow control system
- Publication number 20080178947
- Publication date Jul 31, 2008
- Wolfgang Spreitzer
- G05 - CONTROLLING REGULATING