Hans-Walter ALTENDORF

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Patents Grantslast 30 patents

Information Patent Grant
Control circuit and control method for a synchronous machine
- Patent number 10,312,840
- Issue date Jun 4, 2019
- Dentsply Sirona Inc.
- Hans-Walter Altendorf
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Pneumatic-electric converter for dental instruments
- Patent number 6,722,881
- Issue date Apr 20, 2004
- Sirona Dental Systems GmbH
- Hans-Walter Altendorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
HF surgery device
- Patent number 5,167,660
- Issue date Dec 1, 1992
- Siemens Aktiengesellschaft
- Hans-Walter Altendorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Circuit for controlling the speed of a subfractional horsepower DC...
- Patent number 4,866,356
- Issue date Sep 12, 1989
- Siemens Aktiengesellschaft
- Hans-Walter Altendorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental equipment having means for delivering RF and LF energy to a...
- Patent number 4,840,563
- Issue date Jun 20, 1989
- Siemens Aktiengesellschaft
- Hans-Walter Altendorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
CONTROL CIRCUIT AND CONTROL METHOD FOR A SYNCHRONOUS MACHINE
- Publication number 20170070169
- Publication date Mar 9, 2017
- DENTSPLY SIRONA INC.
- Hans-Walter ALTENDORF
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER