Petra STEIN

Follow

Person

Goettingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Plate, in particular covering plate for molten metal, and method fo...
- Patent number 11,219,943
- Issue date Jan 11, 2022
- Refratechnik Holding GmbH
- Helge Jansen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Use of a heat insulating molded body for isolation of molten metal...
- Patent number 11,150,022
- Issue date Oct 19, 2021
- Refratechnik Holding GmbH
- Helge Jansen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Insulating, refractory molded body, especially plate, and process f...
- Patent number 11,148,973
- Issue date Oct 19, 2021
- Refratechnik Holding GmbH
- Helge Jansen
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Fireproof product containing graphite, method for producing said pr...
- Patent number 9,862,645
- Issue date Jan 9, 2018
- Refratechnik Holding GmbH
- Helge Jansen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
INSULATING, REFRACTORY MOLDED BODY, ESPECIALLY PLATE, AND PROCESS F...
- Publication number 20190322581
- Publication date Oct 24, 2019
- REFRATECHNIK HOLDING GMBH
- Helge Jansen
- B22 - CASTING POWDER METALLURGY
Information Patent Application
PLATE, IN PARTICULAR COVERING PLATE FOR MOLTEN METAL, AND METHOD FO...
- Publication number 20190314889
- Publication date Oct 17, 2019
- REFRATECHNIK HOLDING GMBH
- Helge Jansen
- B22 - CASTING POWDER METALLURGY
Information Patent Application
USE OF A HEAT INSULATING MOLDED BODY FOR ISOLATION OF MOLTEN METAL...
- Publication number 20190154337
- Publication date May 23, 2019
- REFRATECHNIK HOLDING GMBH
- Helge Jansen
- B22 - CASTING POWDER METALLURGY
Information Patent Application
FIREPROOF PRODUCT CONTAINING GRAPHITE, METHOD FOR PRODUCING SAID PR...
- Publication number 20160122248
- Publication date May 5, 2016
- REFRATECHNIK HOLDING GMBH
- Helge JANSEN
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES