Hartwig Ruell

Person

Munich, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Microphone range finder
- Patent number 4,586,195
- Issue date Apr 29, 1986
- Siemens Corporate Research and Support, Inc.
- Martin DeGeorge
- G01 - MEASURING TESTING
Information Patent Grant
Personal authentication system
- Patent number 4,532,508
- Issue date Jul 30, 1985
- Siemens Corporate Research and Support, Inc.
- Hartwig Ruell
- G07 - CHECKING-DEVICES
Information Patent Grant
Personal access control system using speech and face recognition
- Patent number 4,449,189
- Issue date May 15, 1984
- Siemens Corporation
- Wolfgang H. Feix
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensor device for measuring a physical parameter
- Patent number 4,427,881
- Issue date Jan 24, 1984
- Siemens Corporation
- Hartwig Ruell
- G01 - MEASURING TESTING
Information Patent Grant
Device for investigation of a finger relief
- Patent number 4,385,831
- Issue date May 31, 1983
- Siemens Corporation
- Hartwig Ruell
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fiber optical measuring device with compensating properties
- Patent number 4,356,396
- Issue date Oct 26, 1982
- Siemens Corporation
- Hartwig Ruell
- G01 - MEASURING TESTING
Information Patent Grant
Liquid level indicator
- Patent number 4,355,238
- Issue date Oct 19, 1982
- Siemens Corporation
- Hartwig Ruell
- G01 - MEASURING TESTING
Information Patent Grant
Identification card with a hologram and a process for the productio...
- Patent number 4,269,473
- Issue date May 26, 1981
- Siemens Aktiengesellschaft
- Detlev Flothmann
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Process for holographic recording of data in the form of electrical...
- Patent number 4,175,823
- Issue date Nov 27, 1979
- Siemens Aktiengesellschaft
- Dietlind Pekau
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Falsification-proof identification card having a Lippmann-Bragg hol...
- Patent number 4,171,766
- Issue date Oct 23, 1979
- Siemens Aktiengesellschaft
- Hartwig Ruell
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Method for coded sequential non-coherent, redundant optical data-st...
- Patent number 4,135,251
- Issue date Jan 16, 1979
- Siemens Aktiengesellschaft
- Hartwig Ruell
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hartwig Ruell

Person

Patents Grantslast 30 patents

Microphone range finder

Personal authentication system

Personal access control system using speech and face recognition

Sensor device for measuring a physical parameter

Device for investigation of a finger relief

Fiber optical measuring device with compensating properties

Liquid level indicator

Identification card with a hologram and a process for the productio...

Process for holographic recording of data in the form of electrical...

Falsification-proof identification card having a Lippmann-Bragg hol...

Method for coded sequential non-coherent, redundant optical data-st...