Hermann Landgraf

Person

Heppenheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Laser handpiece, exchangeable fiber-optic insert and control unit t...
- Patent number 9,433,475
- Issue date Sep 6, 2016
- Sirona Dental Systems GmbH
- Thomas Bierbaum
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Rotatable tool suitable for high speed drive
- Patent number 5,655,907
- Issue date Aug 12, 1997
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical instrument having an internally-cooled tool
- Patent number 5,433,604
- Issue date Jul 18, 1995
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Foot control mechanism for a dental apparatus
- Patent number 5,423,231
- Issue date Jun 13, 1995
- Siemens Aktiengesellschaft
- Hans Helfrich
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Foot switch
- Patent number D342720
- Issue date Dec 28, 1993
- Siemens Aktiengesellschaft
- Tilman Phleps
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Socket to clampingly hold dental tools
- Patent number 4,874,314
- Issue date Oct 17, 1989
- Siemens Aktiengesellschaft
- Ernst O. Fleer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental handpiece arrangement
- Patent number 4,681,540
- Issue date Jul 21, 1987
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ball catch coupling for releasably connecting two parts permitting...
- Patent number 4,647,081
- Issue date Mar 3, 1987
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for surface treatment of teeth
- Patent number 4,482,322
- Issue date Nov 13, 1984
- Siemens Aktiengesellschaft
- Josef Hain
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for cleaning teeth
- Patent number 4,462,803
- Issue date Jul 31, 1984
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental handpiece
- Patent number 4,460,337
- Issue date Jul 17, 1984
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
D.C. Subfractional horsepower motor with flux shunt for variable RP...
- Patent number 4,278,907
- Issue date Jul 14, 1981
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for releasably connecting two parts of a dental handpiece to...
- Patent number 4,255,143
- Issue date Mar 10, 1981
- Siemens Aktiengesellschaft
- Werner Schuss
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Drive motor for a dental handpiece
- Patent number 4,237,393
- Issue date Dec 2, 1980
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental handpiece
- Patent number 4,198,755
- Issue date Apr 22, 1980
- Siemens Aktiengesellschaft
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
LASER HANDPIECE, EXCHANGEABLE FIBER-OPTIC INSERT AND CONTROL UNIT T...
- Publication number 20160331458
- Publication date Nov 17, 2016
- Sirona Dental Systems GmbH
- Thomas Bierbaum
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
LASER HANDPIECE, EXCHANGEABLE FIBER-OPTIC INSERT AND CONTROL UNIT T...
- Publication number 20100216088
- Publication date Aug 26, 2010
- Sirona Dental Systems GmbH
- Thomas Bierbaum
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Manual instrument for medical and dental diagnostics
- Publication number 20020077528
- Publication date Jun 20, 2002
- Hermann Landgraf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Hermann Landgraf

Person

Patents Grantslast 30 patents

Laser handpiece, exchangeable fiber-optic insert and control unit t...

Rotatable tool suitable for high speed drive

Medical instrument having an internally-cooled tool

Foot control mechanism for a dental apparatus

Foot switch

Socket to clampingly hold dental tools

Dental handpiece arrangement

Ball catch coupling for releasably connecting two parts permitting...

Device for surface treatment of teeth

Device for cleaning teeth

Dental handpiece

D.C. Subfractional horsepower motor with flux shunt for variable RP...

Device for releasably connecting two parts of a dental handpiece to...

Drive motor for a dental handpiece

Dental handpiece

Patents Applicationslast 30 patents

LASER HANDPIECE, EXCHANGEABLE FIBER-OPTIC INSERT AND CONTROL UNIT T...

LASER HANDPIECE, EXCHANGEABLE FIBER-OPTIC INSERT AND CONTROL UNIT T...

Manual instrument for medical and dental diagnostics