Ortwin Piper

Follow

Person

Schwieberdingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Mount for a lift cage safety device
- Patent number 6,012,553
- Issue date Jan 11, 2000
- Inventio AG
- Christoph Liebetrau
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Drive unit for a self-propelled elevator car
- Patent number 5,769,183
- Issue date Jun 23, 1998
- Inventio AG
- Utz Richter
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Drive frame for a self-propelled elevator car
- Patent number 5,713,432
- Issue date Feb 3, 1998
- Inventio AG
- Utz Richter
- B66 - HOISTING LIFTING HAULING