KH

Karl-Richard Hirtsiefer

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Neunkirchen, DE: #46 of 278 inventorsTop 20%
Overall (All Time): #1,062,739 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4805496 Hydraulic power wrench Paul Wagner, Alois Meyer, Karl Beuke 1989-02-21
4524651 Power wrench Oswald Dubiel, Paul Wagner 1985-06-25
4440046 Power wrench Johann Muller, Kurt Walterscheid, Paul Wagner 1984-04-03
4418590 Screw assembly with torque determination Oswald Dubiel, Johann Muller, by Christine Muller, executrix 1983-12-06
4183260 Tool for rotating nuts, bolts and like fasteners Paul Wagner, Johann Muller 1980-01-15