TREA

Pressure equalising means between sealed chambers

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  • CPC
  • B25D2250/185
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B25Hand tools B25DPERCUSSIVE TOOLS B25D2250/00General details of portable percussive tools Components used in portable percussive tools

Current Industry

B25D2250/185Pressure equalising means between sealed chambers
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Percussive power tool
    • Patent number 10,821,589
    • Issue date Nov 3, 2020
    • Hilti Aktiengesellschaft
    • Stefan Schmid
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Striking hand-held machine tool
    • Patent number 10,821,590
    • Issue date Nov 3, 2020
    • Hilti Aktiengesellschaft
    • Markus Hartmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Striking hand-held machine tool
    • Patent number 10,675,742
    • Issue date Jun 9, 2020
    • Hilti Aktiengesellschaft
    • Markus Hartmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number 10,507,570
    • Issue date Dec 17, 2019
    • Makita Corporation
    • Keigo Ueda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number 9,533,406
    • Issue date Jan 3, 2017
    • Makita Corporation
    • Yonosuke Aoki
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chiseling power tool
    • Patent number 9,527,199
    • Issue date Dec 27, 2016
    • Hilti Aktiengesellschaft
    • Orlaw Massler
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hand-held power tool
    • Patent number 8,672,050
    • Issue date Mar 18, 2014
    • Robert Bosch GmbH
    • Otto Baumann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool having lubricant leakage preventing structure
    • Patent number 8,522,890
    • Issue date Sep 3, 2013
    • Hitachi Koki Co., Ltd.
    • Satoshi Abe
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number 8,360,168
    • Issue date Jan 29, 2013
    • Makita Corporation
    • Yasuhiro Kakiuchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact tool
    • Patent number 8,196,674
    • Issue date Jun 12, 2012
    • Makita Corporation
    • Hiroki Ikuta
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Drive mechanism for a power tool
    • Patent number 8,122,972
    • Issue date Feb 28, 2012
    • Black & Decker Inc.
    • Martin Soika
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool having a transmission vent
    • Patent number 7,946,353
    • Issue date May 24, 2011
    • AEG Electric Tools GmbH
    • Thomas Robieu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Ram for powered hammer
    • Patent number 7,818,880
    • Issue date Oct 26, 2010
    • Black & Decker Inc.
    • Tobias Heep
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ram for powered hammer
    • Patent number 7,677,326
    • Issue date Mar 16, 2010
    • Black & Decker Inc.
    • Tobias Heep
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Vibration reduction apparatus for power tool and power tool incorpo...
    • Patent number 7,562,721
    • Issue date Jul 21, 2009
    • Black & Decker Inc.
    • Michael Stirm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vibration reduction apparatus for power tool and power tool incorpo...
    • Patent number 7,533,736
    • Issue date May 19, 2009
    • Black & Decker Inc.
    • Michael Stirm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power tool having lubricant leakage preventing structure
    • Patent number 7,503,402
    • Issue date Mar 17, 2009
    • Hitachi Koki Co., Ltd.
    • Takahiro Ookubo
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ram for powered hammer
    • Patent number 7,445,054
    • Issue date Nov 4, 2008
    • Black & Decker Inc.
    • Tobias Heep
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Vibration reduction apparatus for power tool and power tool incorpo...
    • Patent number 7,445,056
    • Issue date Nov 4, 2008
    • Black & Decker Inc.
    • Michael Stirm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power tool
    • Patent number 7,410,009
    • Issue date Aug 12, 2008
    • Makita Corporation
    • Toshiro Hirayama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Vibration reduction apparatus for power tool and power tool incorpo...
    • Patent number 7,331,407
    • Issue date Feb 19, 2008
    • Black & Decker Inc.
    • Michael Stirm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power tool housing
    • Patent number 7,331,408
    • Issue date Feb 19, 2008
    • Black & Decker Inc.
    • Klaus-Dieter Arich
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary hammer including breather port
    • Patent number 7,168,504
    • Issue date Jan 30, 2007
    • Milwaukee Electric Tool Corporation
    • Jason D. Hetcher
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Percussion tool
    • Patent number 7,140,450
    • Issue date Nov 28, 2006
    • Battelle Energy Alliance, LLC
    • Teddy R. Reed
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary hammer
    • Patent number 7,032,683
    • Issue date Apr 25, 2006
    • Milwaukee Electric Tool Corporation
    • Jason D. Hetcher
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Hammer
    • Patent number 6,763,897
    • Issue date Jul 20, 2004
    • Black & Decker Inc.
    • Andreas Hanke
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Machine tool with a chamber for lubricating agent and a pressure eq...
    • Patent number 6,739,406
    • Issue date May 25, 2004
    • Robert Bosch GmbH
    • Helmut Lebisch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Machine tool with a chamber for lubricant agent and a pressure equa...
    • Patent number 6,722,449
    • Issue date Apr 20, 2004
    • Robert Bosch GmbH
    • Helmut Lebisch
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Motor driven drilling or chipping device
    • Patent number 4,611,670
    • Issue date Sep 16, 1986
    • Hilti Aktiengesellschaft
    • Franz Chromy
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3367447
    • Patent number 3,367,447
    • Issue date Feb 6, 1968
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    STRIKING HAND-HELD MACHINE TOOL
    • Publication number 20190039225
    • Publication date Feb 7, 2019
    • HILTI AKTIENGESELLSCHAFT
    • Markus HARTMANN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PERCUSSIVE POWER TOOL
    • Publication number 20180370007
    • Publication date Dec 27, 2018
    • HILTI AKTIENGESELLSCHAFT
    • Stefan SCHMID
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    STRIKING HAND-HELD TOOL
    • Publication number 20180361552
    • Publication date Dec 20, 2018
    • HILTI AKTIENGESELLSCHAFT
    • Markus HARTMANN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAND-HELD POWER TOOL GEARBOX CLOSURE AND HAND-HELD POWER TOOL
    • Publication number 20170341214
    • Publication date Nov 30, 2017
    • HILTI AKTIENGESELLSCHAFT
    • Oliver Ohlendorf
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Handheld Machine Tool
    • Publication number 20160271779
    • Publication date Sep 22, 2016
    • HILTI AKTIENGESELLSCHAFT
    • Markus HARTMANN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHISELING POWER TOOL
    • Publication number 20130319712
    • Publication date Dec 5, 2013
    • HILTI AKTIENGESELLSCHAFT
    • Orlaw MASSLER
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MACHINE TOOL
    • Publication number 20130277077
    • Publication date Oct 24, 2013
    • Markus Hartmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAND-HELD POWER TOOL
    • Publication number 20130277080
    • Publication date Oct 24, 2013
    • Hilti Akiengesellschaft
    • Markus Hartmann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool
    • Publication number 20130081840
    • Publication date Apr 4, 2013
    • Yonosuke AOKI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool Having Lubricant Leakage Preventing Structure
    • Publication number 20110155402
    • Publication date Jun 30, 2011
    • Hitachi Koki Co., Ltd
    • Satoshi Abe
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL
    • Publication number 20110030983
    • Publication date Feb 10, 2011
    • MAKITA CORPORATION
    • Yasuhiro KAKIUCHI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAND-HELD MACHINE TOOL
    • Publication number 20100300717
    • Publication date Dec 2, 2010
    • Otto Baumann
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL HAVING A TRANSMISSION VENT
    • Publication number 20090301746
    • Publication date Dec 10, 2009
    • AEG ELECTRIC TOOLS GMBH
    • Thomas Robieu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Impact tool
    • Publication number 20090223691
    • Publication date Sep 10, 2009
    • MAKITA CORPORATION
    • Hiroki Ikuta
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Ram For Powered Hammer
    • Publication number 20090000798
    • Publication date Jan 1, 2009
    • Black & Decker Inc.
    • Tobias Heep
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Ram For Powered Hammer
    • Publication number 20080313880
    • Publication date Dec 25, 2008
    • BLACK & DECKER INC.
    • Tobias Heep
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Vehicle control system
    • Publication number 20080196915
    • Publication date Aug 21, 2008
    • Black & Decker Inc.
    • Michael Stirm
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Vehicle control system
    • Publication number 20080190634
    • Publication date Aug 14, 2008
    • Black & Decker Inc.
    • Michael Stirm
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Ram for powered hammer
    • Publication number 20080169112
    • Publication date Jul 17, 2008
    • Black and Decker Inc.
    • Tobias Heep
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    VIBRATION REDUCTION APPARATUS FOR POWER TOOL AND POWER TOOL INCORPO...
    • Publication number 20080099223
    • Publication date May 1, 2008
    • Michael Stirm
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Vibration reduction apparatus for power tool and power tool incorpo...
    • Publication number 20070017684
    • Publication date Jan 25, 2007
    • Micheal Stirm
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power tool
    • Publication number 20060272836
    • Publication date Dec 7, 2006
    • MAKITA CORPORATION
    • Toshiro Hirayama
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Drive mechanism for a power tool
    • Publication number 20060159577
    • Publication date Jul 20, 2006
    • Martin Soika
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power tool housing
    • Publication number 20060144603
    • Publication date Jul 6, 2006
    • Klaus-Dieter Arich
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Rotary hammer including breather port
    • Publication number 20060124334
    • Publication date Jun 15, 2006
    • Milwaukee Electric Tool Corporation
    • Jason D. Hetcher
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power tool having lubricant leakage preventing structure
    • Publication number 20060096768
    • Publication date May 11, 2006
    • Takahiro Ookubo
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Percussion tool
    • Publication number 20060081387
    • Publication date Apr 20, 2006
    • Teddy R. Reed
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Hand machine tool with a hammer mechanism
    • Publication number 20050247462
    • Publication date Nov 10, 2005
    • Gerhard Meixner
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Machine tool with a chamber for lubricating agent and a pressure eq...
    • Publication number 20030121684
    • Publication date Jul 3, 2003
    • Helmut Lebisch
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Machine tool with a chamber for lubricanting agent and a pressure e...
    • Publication number 20030121683
    • Publication date Jul 3, 2003
    • Helmut Lebisch
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS