FK

Ferdinand Kristen

HA Hilti Aktiengesellschaft: 21 patents #30 of 1,466Top 3%
📍 Gilching, DE: #6 of 242 inventorsTop 3%
Overall (All Time): #204,633 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
12064856 Eccentric drive for a portable power tool Ernst-Rudolf Lübkert, Michael Göttlinger, Maximilian Kummer, Michael Schamberger, Johannes Alfred MARDER +3 more 2024-08-20
11117250 Hand-held machine tool Pierre Pallmer, Steffen Geiger, Franz Popp, Erich Daigeler, Henrik Luessmann 2021-09-14
9879734 Torque coupling Horst Stroissnigg, Erwin Manschitz, Manfred Ludwig, Werner Kaibach, Manfred Schallert +1 more 2018-01-30
9199369 Pneumatic striking mechanism and hand-held power tool Stefan Hammerstingl, Erwin Manschitz, Markus Hartmann 2015-12-01
7802632 Stranded wire retaining channel for an electrical tool Erwin Manschitz 2010-09-28
7500527 Hand-held power tool with a decoupling device Axel Fischer, Roland Meuer, Ruediger Schulz 2009-03-10
7174972 Electrical hand-held power tool with non-contacting electrical manual control switch Erwin Manschitz, Hans-Jürgen Pfisterer 2007-02-13
7048076 Percussion electrical hand held tool Holger Cecchin, Christian Daubner, Hubert Daxenberger, David Hruza, Christoph Kink +3 more 2006-05-23
7011165 Rotating electric hand tool implement with safety routine Hans-Werner Bongers-Ambrosius 2006-03-14
6948570 Electrical hand tool machine with vibration damped striking mechanism Erwin Manschitz 2005-09-27
6902012 Percussion electrical hand-held tool Hans-Werner Bongers-Ambrosius 2005-06-07
6866105 Electrical, fan-cooled tool Hans-Jürgen Pfisterer, Holger Cecchin, Walter Wissmach, Christoph Kink, Rudolf Bauer +1 more 2005-03-15
6776245 Electrical hand-held power tool with an electropneumatic percussion mechanism Herbert Daxenberger 2004-08-17
6644450 Safety clutch for electrical hand-held tool Hans-Werner Bongers-Ambrosius, Peter Hellmann 2003-11-11
6520270 Depth stop assembly for a hand-held power tool Walter Wissmach, Hans-Werner Bongers-Ambrosius 2003-02-18
6220046 Equipment for working a hard material Hans-Werner Bongers-Ambrosius, Josef Schitti, Erwin Reisinger 2001-04-24
6127751 Electric tool Erwin Manschitz 2000-10-03
5954457 Hand-held device Maximilian Stock, Arno Thiel 1999-09-21
5907208 Rotor for an electric motor Hans Appel 1999-05-25
5879111 Hand-held device Maximilian Stock, Arno Thiel 1999-03-09
5821661 Electromotor Walter Wissmach, Stefan Miescher, Ernst Klein 1998-10-13