TREA

Ferdinand Kristen

Follow

Person

  • Germering, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Eccentric drive for a portable power tool
    • Patent number 12,064,856
    • Issue date Aug 20, 2024
    • Hilti Aktiengesellschaft
    • Ernst-Rudolf Lübkert
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hand-held machine tool
    • Patent number 11,117,250
    • Issue date Sep 14, 2021
    • Hilti Aktiengesellschaft
    • Pierre Pallmer
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Torque coupling
    • Patent number 9,879,734
    • Issue date Jan 30, 2018
    • Hilti Aktiengesellschaft
    • Horst Stroissnigg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pneumatic striking mechanism and hand-held power tool
    • Patent number 9,199,369
    • Issue date Dec 1, 2015
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Stranded wire retaining channel for an electrical tool
    • Patent number 7,802,632
    • Issue date Sep 28, 2010
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hand-held power tool with a decoupling device
    • Patent number 7,500,527
    • Issue date Mar 10, 2009
    • Hilti Aktiengesellschaft
    • Axel Fischer
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electrical hand-held power tool with non-contacting electrical manu...
    • Patent number 7,174,972
    • Issue date Feb 13, 2007
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Percussion electrical hand held tool
    • Patent number 7,048,076
    • Issue date May 23, 2006
    • Hilti Aktiengesellschaft
    • Holger Cecchin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotating electric hand tool implement with safety routine
    • Patent number 7,011,165
    • Issue date Mar 14, 2006
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electrical hand tool machine with vibration damped striking mechanism
    • Patent number 6,948,570
    • Issue date Sep 27, 2005
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Percussion electrical hand-held tool
    • Patent number 6,902,012
    • Issue date Jun 7, 2005
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electrical, fan-cooled tool
    • Patent number 6,866,105
    • Issue date Mar 15, 2005
    • Hilti Aktiengesellschaft
    • Hans-Jürgen Pfisterer
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical hand-held power tool with an electropneumatic percussion...
    • Patent number 6,776,245
    • Issue date Aug 17, 2004
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Safety clutch for electrical hand-held tool
    • Patent number 6,644,450
    • Issue date Nov 11, 2003
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Depth stop assembly for a hand-held power tool
    • Patent number 6,520,270
    • Issue date Feb 18, 2003
    • Hilti Aktiengesellschaft
    • Walter Wissmach
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Equipment for working a hard material
    • Patent number 6,220,046
    • Issue date Apr 24, 2001
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric tool
    • Patent number 6,127,751
    • Issue date Oct 3, 2000
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hand-held device
    • Patent number 5,954,457
    • Issue date Sep 21, 1999
    • Hilti Aktiengesellschaft
    • Maximilian Stock
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotor for an electric motor
    • Patent number 5,907,208
    • Issue date May 25, 1999
    • Hilti Aktiengesellschaft
    • Ferdinand Kristen
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Hand-held device
    • Patent number 5,879,111
    • Issue date Mar 9, 1999
    • Hilti Aktiengesellschaft
    • Maximilian Stock
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electromotor
    • Patent number 5,821,661
    • Issue date Oct 13, 1998
    • Hilti Aktiengesellschaft
    • Walter Wissmach
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Eccentric drive for a portable power tool
    • Publication number 20210323135
    • Publication date Oct 21, 2021
    • HILTI AKTIENGESELLSCHAFT
    • Ernst-Rudolf LÜBKERT
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Hand-Held Machine Tool
    • Publication number 20190184538
    • Publication date Jun 20, 2019
    • HILTI AKTIENGESELLSCHAFT
    • Pierre PALLMER
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAND-HELD POWER TOOL
    • Publication number 20170057072
    • Publication date Mar 2, 2017
    • HILTI AKTIENGESELLSCHAFT
    • Markus Holubarsch
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TORQUE COUPLING
    • Publication number 20120252585
    • Publication date Oct 4, 2012
    • HILTI AKTIENGESELLSCHAFT
    • Horst Stroissnigg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    POWER TOOL
    • Publication number 20120097409
    • Publication date Apr 26, 2012
    • HILTI AKTIENGESELLSCHAFT
    • Rainer ONTL
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Pneumatic striking mechanism and hand-held power tool
    • Publication number 20100263894
    • Publication date Oct 21, 2010
    • HILTI AKTIENGESELLSCHAFT
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Hand-held power tool with a decoupling device
    • Publication number 20080022817
    • Publication date Jan 31, 2008
    • Axel Fischer
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Hand-held machine tool with vibration-reducing device
    • Publication number 20080017396
    • Publication date Jan 24, 2008
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical hand-held power tool with non-contacting electrical manu...
    • Publication number 20060076153
    • Publication date Apr 13, 2006
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical tool
    • Publication number 20050085124
    • Publication date Apr 21, 2005
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical hand tool machine with non-contacting electrical manual...
    • Publication number 20040206519
    • Publication date Oct 21, 2004
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Percussion electrical hand held tool
    • Publication number 20040182589
    • Publication date Sep 23, 2004
    • Holger Cecchin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical, fan-cooled tool
    • Publication number 20040124721
    • Publication date Jul 1, 2004
    • Hans-Jurgen Horst Georg Pfisterer
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical hand tool machine with vibration damped striking mechanism
    • Publication number 20040108124
    • Publication date Jun 10, 2004
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical hand-held power tool with an electropneumatic percussion...
    • Publication number 20030070823
    • Publication date Apr 17, 2003
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Safety clutch for electrical hand-held tool
    • Publication number 20020066632
    • Publication date Jun 6, 2002
    • Ferdinand Kristen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Controllable planetary gear
    • Publication number 20020037785
    • Publication date Mar 28, 2002
    • Walter Wissmach
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electric implement with tool
    • Publication number 20010052416
    • Publication date Dec 20, 2001
    • Walter Wissmach
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Depth stop assembly for a hand-held power tool
    • Publication number 20010052418
    • Publication date Dec 20, 2001
    • Walter Wissmach
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rotating electric hand tool implement with safety routine
    • Publication number 20010042630
    • Publication date Nov 22, 2001
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Percussion electrical hand-held tool
    • Publication number 20010037889
    • Publication date Nov 8, 2001
    • Ferdinand Kristen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS