Rudiger Lob

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of Berlin, DE

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Patents Grantslast 30 patents

Information Patent Grant
Generation of an elevator door close warning
- Patent number 5,821,478
- Issue date Oct 13, 1998
- Otis Elevator Company
- Helmut L. Schroder-Brumloop
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Double-drive automatic sliding door operator
- Patent number 5,711,112
- Issue date Jan 27, 1998
- Otis Elevator Company
- Michael T. Barten
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method for controlling elevator doors
- Patent number 5,587,565
- Issue date Dec 24, 1996
- Otis Elevator Company
- Helmut Schroder-Brumloop
- G05 - CONTROLLING REGULATING
Information Patent Grant
Low cost current sensor for fast-switching inverter applications
- Patent number 5,367,240
- Issue date Nov 22, 1994
- Otis Elevator Company
- Helmut L. Schroder-Brumloop
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER