Risto Widerholm

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Sealing arrangement of a drawing furnace
- Patent number 10,611,670
- Issue date Apr 7, 2020
- ROSENDAHL NEXTROM GMBH
- Olli Raki
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Sealing apparatus having a plurality of sealing elements arranged a...
- Patent number 9,676,503
- Issue date Jun 13, 2017
- Nextrom Oy
- Jukka Nummela
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
System and method for manufacturing fibres
- Patent number 8,371,142
- Issue date Feb 12, 2013
- Purac Biochem B.V.
- Tiina Nypelö
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
SEALING ARRANGEMENT OF A DRAWING FURNACE
- Publication number 20180072609
- Publication date Mar 15, 2018
- Rosendahl Nextrom GmbH
- Olli RAKI
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
APPARATUS
- Publication number 20130298501
- Publication date Nov 14, 2013
- Jukka NUMMELA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
SYSTEM AND METHOD FOR MANUFACTURING FIBRES
- Publication number 20100132410
- Publication date Jun 3, 2010
- Tiina Nypelö
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Insulation of a heating element in a furnace for drawing optical fi...
- Publication number 20050016219
- Publication date Jan 27, 2005
- Photonium Oy
- Markku Rajala
- C03 - GLASS MINERAL OR SLAG WOOL