RS

Rolf Spangenberg

HA Hilti Aktiengesellschaft: 14 patents #62 of 1,466Top 5%
HI Hilt: 1 patents #2 of 7Top 30%
Overall (All Time): #326,548 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7392568 Hand-held power tool with an auxiliary handle Christian Koschel 2008-07-01
7223163 Cover device for a power tool Michael Neumeier 2007-05-29
7159952 Automatic balancing device Christian Koschel, Eberhard Lang 2007-01-09
6926583 Grinding wheel Josef Nussbaumer, Francois Boland, Jean-Pierre Chevalier 2005-08-09
6814657 Grinding wheel with grinding members Oliver Ohlendorf 2004-11-09
6568383 Disc-shaped cutting tool 2003-05-27
6471574 Dust protection cover for a rotary grinding tool Hans Rupprecht, Diep Chau-Ngoc, Rudolf Reitberger, Oliver Ohlendorf 2002-10-29
6382202 Drill bit Diep Chau-Ngoc 2002-05-07
6375557 Hand-held abrasive cutter with a suction hood Louis Widmer 2002-04-23
6279565 Articulated lock for a saw rope Josef Plattner 2001-08-28
6022176 Tool bit with marking member 2000-02-08
5911620 Pot-shaped grinding wheel Josef Nussbaumer 1999-06-15
5655613 Drill bit Werner Lauermann, Markus Geiger 1997-08-12
5143489 Method of drilling bores Werner Bogner, Paul Deutschenbaur 1992-09-01
5082070 Hollow drill bit Josef Obermeier, Theodor Linke 1992-01-21