Hans-Martin Ringelstein

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Amalgam balls having an alloy coating
- Patent number 9,659,762
- Issue date May 23, 2017
- Umicore AG & Co. KG
- Olivier Hutin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Amalgam balls having an alloy coating
- Patent number 9,263,245
- Issue date Feb 16, 2016
- Umicore AG & Co. KG
- Olivier Hutin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method and device for producing spherical metal particles
- Patent number 7,297,178
- Issue date Nov 20, 2007
- Umicore AG & Co. KG
- Bernd Kempf
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Precision attachments for dental technology capable of being cast on
- Patent number 5,833,462
- Issue date Nov 10, 1998
- Degussa Aktiengesellschaft
- Bernd Kempf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Gold-palladium alloys for dental materials
- Patent number 5,695,714
- Issue date Dec 9, 1997
- Degussa Aktiengesellschaft
- Bernd Kempf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of producing flexible plastic bands compounded with hard-mat...
- Patent number 5,547,625
- Issue date Aug 20, 1996
- Degussa Aktiengesellschaft
- Karlheinz Gleissner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Tooth filling material and method of its preparation
- Patent number 4,963,184
- Issue date Oct 16, 1990
- Degussa Aktiengesellschaft
- Walter Diehl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental filling-material and method for its preparation
- Patent number 4,892,582
- Issue date Jan 9, 1990
- Degussa Aktiengesellschaft
- Walter Diehl
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process and apparatus for the production of fillings in teeth
- Patent number 4,634,383
- Issue date Jan 6, 1987
- Degussa Aktiengesellschaft
- Hans-Hermann Beyer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the production of fillings for teeth
- Patent number 4,610,631
- Issue date Sep 9, 1986
- Degussa Aktiengesellschaft
- Hans-Hermann Beyer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
AMALGAM BALLS HAVING AN ALLOY COATING
- Publication number 20160133453
- Publication date May 12, 2016
- Umicore AG & Co. KG
- Olivier HUTIN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AMALGAM BALLS HAVING AN ALLOY COATING
- Publication number 20140055026
- Publication date Feb 27, 2014
- Umicore AG & Co. KG
- Olivier Hutin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method and device for producing spherical metal particles
- Publication number 20040154435
- Publication date Aug 12, 2004
- Bernd Kempf
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Hans-Martin Ringelstein

Person

Patents Grantslast 30 patents

Amalgam balls having an alloy coating

Amalgam balls having an alloy coating

Method and device for producing spherical metal particles

Precision attachments for dental technology capable of being cast on

Gold-palladium alloys for dental materials

Method of producing flexible plastic bands compounded with hard-mat...

Tooth filling material and method of its preparation

Dental filling-material and method for its preparation

Process and apparatus for the production of fillings in teeth

Process for the production of fillings for teeth

Patents Applicationslast 30 patents

AMALGAM BALLS HAVING AN ALLOY COATING

AMALGAM BALLS HAVING AN ALLOY COATING

Method and device for producing spherical metal particles