HF

Heinrich Friederich

EK Ejot Gmbh & Co. Kg: 2 patents #17 of 56Top 35%
EK Ejot Verbindungstechnik Gmbh & Co. Kg: 2 patents #3 of 13Top 25%
📍 Groß-Rohrheim, DE: #3 of 13 inventorsTop 25%
Overall (All Time): #1,011,728 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8348572 Hole-forming and thread-forming screw Michael Achenbach, Eberhard Christ 2013-01-08
7247099 Screw with a partially hardened functional tip and process for the production thereof Christof Homrighausen 2007-07-24
6811622 Semifinished and finished products made of austenitic special steel and method for the production thereof Reinhard Schmoock 2004-11-02
6540462 Screw connection Bernd Bretschneider, Reinhard Schmoock 2003-04-01
6338600 Self-tapping, corrosion-resistant screw with hardened tip Reinhard Schmoock 2002-01-15