Patents by Inventor Thomas Bannwart

Thomas Bannwart has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11097442
    Abstract: A portable power tool, in particular a hand-held planing machine, includes at least one workpiece contact unit and at least one handle unit. The workpiece contact unit has at least one workpiece contact surface, and the handle unit has at least one main handle. The main handle has at least one maximum distance point that, in a direction extending at least substantially perpendicularly to a workpiece contact surface, has a maximum distance from the at least one workpiece contact surface. The maximum distance is less than 150 mm.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: August 24, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Tom Staeubli, Robert Simm, Thomas Bannwart, Nico Spinelli
  • Patent number: 10471562
    Abstract: A guiding system for portable machine tools has at least one guiding apparatus which is fixable on a portable machine tool. The guiding system also has at least one positive guidance unit to which the at least one guiding apparatus is connectable in a positive-locking manner to positively guide the portable machine tool. The guiding system also has at least one position fixing unit configured to fix a position of the at least one guiding apparatus on the at least one positive guidance unit. The at least one position fixing unit has at least one fastening unit configured to releasably fix the at least one position fixing unit on the at least one guiding apparatus.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: November 12, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Robert Simm, Thomas Bannwart
  • Publication number: 20190329440
    Abstract: A portable power tool, in particular a hand-held planing machine, includes at least one workpiece contact unit and at least one handle unit. The workpiece contact unit has at least one workpiece contact surface, and the handle unit has at least one main handle. The main handle has at least one maximum distance point that, in a direction extending at least substantially perpendicularly to a workpiece contact surface, has a maximum distance from the at least one workpiece contact surface. The maximum distance is less than 150 mm.
    Type: Application
    Filed: July 12, 2019
    Publication date: October 31, 2019
    Inventors: Tom Staeubli, Robert Simm, Thomas Bannwart, Nico Spinelli
  • Patent number: 10391667
    Abstract: A portable power tool, in particular a hand-held planing machine, includes at least one workpiece contact unit and at least one handle unit. The workpiece contact unit has at least one workpiece contact surface, and the handle unit has at least one main handle. The main handle has at least one maximum distance point that, in a direction extending at least substantially perpendicularly to a workpiece contact surface, has a maximum distance from the at least one workpiece contact surface. The maximum distance is less than 150 mm.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: August 27, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Tom Staeubli, Robert Simm, Thomas Bannwart, Nico Spinelli
  • Patent number: 9855649
    Abstract: A spindle locking device for a portable machine tool includes a locking unit and a movement activation unit. The locking unit has a movably mounted locking element configured to lock a spindle of the portable machine tool in at least one direction, and an operating element configured to actuate the locking element. The movement activation unit is configured to pretension the locking element in a direction towards a locking position, at least when the operating element is in an unactuated position.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: January 2, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Pascal Schnell, Robert Simm, Thomas Bannwart
  • Publication number: 20170144325
    Abstract: A portable power tool, in particular a hand-held planing machine, includes at least one workpiece contact unit and at least one handle unit. The workpiece contact unit has at least one workpiece contact surface, and the handle unit has at least one main handle. The main handle has at least one maximum distance point that, in a direction extending at least substantially perpendicularly to a workpiece contact surface, has a maximum distance from the at least one workpiece contact surface. The maximum distance is less than 150 mm.
    Type: Application
    Filed: May 4, 2015
    Publication date: May 25, 2017
    Inventors: Tom Staeubli, Robert Simm, Thomas Bannwart, Nico Spinelli
  • Patent number: 9108283
    Abstract: A guide device to guide portable power tools on a constrained guidance unit includes at least one base body unit and at least one guide unit. The base body unit, in at least one operating state, is disposed on a side of a seating unit of a portable power tool that faces away from a housing of the portable power tool. The guide unit is configured to positively connect to the constrained guidance unit. The guide unit is also movably mounted to the base body unit.
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: August 18, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Robert Simm, Thomas Bannwart
  • Publication number: 20150183106
    Abstract: A spindle locking device for a portable machine tool includes a locking unit and a movement activation unit. The locking unit has a movably mounted locking element configured to lock a spindle of the portable machine tool in at least one direction, and an operating element configured to actuate the locking element. The movement activation unit is configured to pretension the locking element in a direction towards a locking position, at least when the operating element is in an unactuated position.
    Type: Application
    Filed: May 29, 2013
    Publication date: July 2, 2015
    Inventors: Pascal Schnell, Robert Simm, Thomas Bannwart
  • Publication number: 20140097565
    Abstract: A guiding system for portable machine tools has at least one guiding apparatus which is fixable on a portable machine tool. The guiding system also has at least one positive guidance unit to which the at least one guiding apparatus is connectable in a positive-locking manner to positively guide the portable machine tool. The guiding system also has at least one position fixing unit configured to fix a position of the at least one guiding apparatus on the at least one positive guidance unit. The at least one position fixing unit has at least one fastening unit configured to releasably fix the at least one position fixing unit on the at least one guiding apparatus.
    Type: Application
    Filed: October 4, 2013
    Publication date: April 10, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Robert Simm, Thomas Bannwart
  • Publication number: 20130234381
    Abstract: A guide device to guide portable power tools on a constrained guidance unit includes at least one base body unit and at least one guide unit. The base body unit, in at least one operating state, is disposed on a side of a seating unit of a portable power tool that faces away from a housing of the portable power tool. The guide unit is configured to positively connect to the constrained guidance unit. The guide unit is also movably mounted to the base body unit.
    Type: Application
    Filed: September 6, 2012
    Publication date: September 12, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Robert Simm, Thomas Bannwart
  • Publication number: 20110011609
    Abstract: The invention relates to an auxiliary handle which includes at least one fastening element for fastening the auxiliary handle to a hand-held power tool. In order to establish a direct or indirect form-locking connection between the auxiliary handle and the hand-held power tool, a spring element of the fastening element snaps into a recess of the hand-held power tool. The invention further relates to a hand-held power tool having such an auxiliary handle.
    Type: Application
    Filed: November 17, 2008
    Publication date: January 20, 2011
    Inventors: Robert Simm, Thomas Bannwart