Inventor
HEGER MATHIAS
DE4 patents
Patents
4 patentsUS9255597B2Feb 9, 2016
Self-piercing rivet with a pre-perforated flat element, production method and joining method therefor
BOELLHOFF VERBINDUNGSTECHNIK GMBH7 citations80
US10876565B2Dec 29, 2020
Self-piercing rivet
BOELLHOFF VERBINDUNGSTECHNIK GMBH3 citations67
US10683884B2Jun 16, 2020
Semi-tubular self-piercing rivet for thin sheet metal joints, method for producing said semi-tubular self-piercing rivet, and method for producing a joint
BOELLHOFF VERBINDUNGSTECHNIK GMBH1 citations55
US9968987B2May 15, 2018
Adjustment aid for a joining device having a punch and a counter-tool, and method for adjusting the joining device
BOELLHOFF VERBINDUNGSTECHNIK GMBH1 citations42