Patents by Inventor Thomas Duerr

Thomas Duerr 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: 12551999
    Abstract: An axial bearing for reducing wear is provided in an overload clutch for arrangement between a drive unit and a power take-off unit of a hand-held power tool in order to enable decoupling of the drive unit from the power take-off unit in the hand-held power tool when a limit torque is exceeded.
    Type: Grant
    Filed: February 20, 2024
    Date of Patent: February 17, 2026
    Assignee: Robert Bosch GmbH
    Inventors: Maximilian Weinbrecht, Michael Haigis, Selim Mustafa, Thomas Duerr
  • Publication number: 20250279526
    Abstract: A battery-operated machining device includes a housing part, which at least partially surrounds an electronic unit and/or an electric motor for operating the machining device, a main handle, which is movably connected to the housing part for vibrational decoupling, and at least one electromechanical interface, which is arranged on the main handle and is provided for receiving an interchangeable battery pack such that the interchangeable battery pack can be released without tools, wherein the electromechanical interface has a protective housing, the envelope of which completely surrounds the received interchangeable battery pack. The protective housing is fixedly connected to the housing part and movably coupled to the main handle.
    Type: Application
    Filed: February 25, 2025
    Publication date: September 4, 2025
    Inventors: Thomas Duerr, Andreas Rieger, Michael Weiss
  • Patent number: 12331731
    Abstract: An air compression device has a housing, a compressor device for the compression of air, an electric motor for driving the compressor device and for generating an air flow within the housing, a transmission for mechanically connecting the electric motor to the compressor device, and a power supply at least for supplying the electric motor with power. At least sections of the compressor device, the electric motor, the transmission, and the power supply are arranged in the housing. The air compression device also includes an air guide device which guides the air flow from the power supply to the compressor device and the electric motor using the transmission, wherein at least sections of the air guide device are arranged within the housing.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: June 17, 2025
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Duerr, Carla-Maria Finck
  • Patent number: 12163509
    Abstract: An air compression device includes: a compressor device for the compression of air, wherein the compressor device has a compressor axis and the compressor axis is defined by a direction in which air is compressed by the compressor device; an electric motor for driving the compressor device, wherein the electric motor has an electric motor axis formed by an axis of rotation of the electric motor; and a transmission that mechanically connects the electric motor to the compressor device. The transmission arranges the compressor device and the electric motor at an angle to one another, and the compressor axis and the electric motor axis enclose an angle between 10° and 80°, in particular 20° and 70°, more specifically 30° and 60°.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: December 10, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Duerr, Carla-Maria Finck
  • Publication number: 20240278404
    Abstract: An axial bearing for reducing wear is provided in an overload clutch for arrangement between a drive unit and a power take-off unit of a hand-held power tool in order to enable decoupling of the drive unit from the power take-off unit in the hand-held power tool when a limit torque is exceeded.
    Type: Application
    Filed: February 20, 2024
    Publication date: August 22, 2024
    Inventors: Maximilian Weinbrecht, Michael Haigis, Selim Mustafa, Thomas Duerr
  • Patent number: 11679484
    Abstract: A hand-held power tool includes a drive unit configured to drive an insertion tool in at least one non-percussive operating mode. The drive unit includes a percussion mechanism for percussive driving of the insertion tool in an associated percussion mode. The hand-held power tool further include a user guidance unit configured to be actuated by a user and a communication interface configured to communicate with the user guidance unit and to receive, from the user guidance unit, changeover instructions for changing over the drive unit between the at least one non-percussive operating mode and the associated percussion mode in an application-specific manner.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: June 20, 2023
    Assignee: Robert Bosch GmbH
    Inventors: Florian Bantle, Thomas Duerr, Juergen Gairing
  • Patent number: 11518015
    Abstract: The disclosure relates to a switching device for a hammer drill, having a manually actuatable switching element. It is proposed that the switching element is designed for actuating an operational mode switching unit and a switching unit for changing the direction of rotation.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: December 6, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Janos Rakaczki, Thomas Duerr, Carla-Maria Finck, Ulrich Bohne, Andras Markovics
  • Publication number: 20220372959
    Abstract: An air compression device has a housing, a compressor device for the compression of air, an electric motor for driving the compressor device and for generating an air flow within the housing, a transmission for mechanically connecting the electric motor to the compressor device, and a power supply at least for supplying the electric motor with power. At least sections of the compressor device, the electric motor, the transmission, and the power supply are arranged in the housing. The air compression device also includes an air guide device which guides the air flow from the power supply to the compressor device and the electric motor using the transmission, wherein at least sections of the air guide device are arranged within the housing.
    Type: Application
    Filed: September 23, 2020
    Publication date: November 24, 2022
    Inventors: Thomas Duerr, Carla-Maria Finck
  • Publication number: 20220372960
    Abstract: An air compression device includes: a compressor device for the compression of air, wherein the compressor device has a compressor axis and the compressor axis is defined by a direction in which air is compressed by the compressor device; an electric motor for driving the compressor device, wherein the electric motor has an electric motor axis formed by an axis of rotation of the electric motor; and a transmission that mechanically connects the electric motor to the compressor device. The transmission arranges the compressor device and the electric motor at an angle to one another, and the compressor axis and the electric motor axis enclose an angle between 10° and 80°, in particular 20° and 70°, more specifically 30° and 60°.
    Type: Application
    Filed: September 21, 2020
    Publication date: November 24, 2022
    Inventors: Thomas Duerr, Carla-Maria Finck
  • Patent number: 11413737
    Abstract: A hand-held power tool includes a housing in which a drive motor and a transmission that is configured to be driven by the drive motor so as to drive an output shaft are arranged. The hand-held power tool also includes a mode-setting device that has at least one rotatable actuation element configured to set an operating mode, a torque-adjusting element configured to adjust a torque, and a gear changing element configured to change gears of the transmission. The torque adjusting element and the gear changing element are releasably coupled together during a gear changing process.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 16, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Duerr, Istvan Munkacsi, Tibor Bohos
  • Publication number: 20210308854
    Abstract: The disclosure relates to a switching device for a hammer drill, having a manually actuatable switching element. It is proposed that the switching element is designed for actuating an operational mode switching unit and a switching unit for changing the direction of rotation.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 7, 2021
    Inventors: Janos Rakaczki, Thomas Duerr, Carla-Maria Finck, Ulrich Bohne, Andras Markovics
  • Publication number: 20210187719
    Abstract: A hand-held power tool includes a housing in which a drive motor and a transmission that is configured to be driven by the drive motor so as to drive an output shaft are arranged. The hand-held power tool also includes a mode-setting device that has at least one rotatable actuation element configured to set an operating mode, a torque-adjusting element configured to adjust a torque, and a gear changing element configured to change gears of the transmission. The torque adjusting element and the gear changing element are releasably coupled together during a gear changing process.
    Type: Application
    Filed: November 26, 2018
    Publication date: June 24, 2021
    Inventors: Thomas Duerr, Istvan Munkacsi, Tibor Bohos
  • Patent number: 10994403
    Abstract: In a hand-held power tool with a drive unit comprising at least one drive motor and a transmission coupled to the drive motor for driving a working tool, wherein the transmission can be shifted between at least two different gear ratios, a communication interface is provided for communication with a guide unit operable by a user and designed to receive gearshift instructions from the guide unit for shifting the transmission between the two different gear ratios according to the specific use.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: May 4, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Florian Bantle, Thomas Duerr, Juergen Gairing
  • Patent number: 10639731
    Abstract: A hand-held power tool includes an SDS tool receiver and a tool housing. The SDS tool receiver includes at least one vacuuming-off channel and is configured to receive an exchangeable insert tool such that the at least one vacuuming-off channel enables removal of dust produced during operation of the exchangeable insert tool with a workpiece. The tool housing includes at least one drive unit configured to drive the exchangeable insert tool.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: May 5, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Uwe Engelfried, Thomas Duerr
  • Publication number: 20190371199
    Abstract: A system includes at least one first machine tool having at least one first receiving device for at least one insert tool, at least one storage device, and at least one external unit. The at least one insert tool is configured to be arranged on the at least one machine tool. The at least one storage device includes at least one second receiving device for the at least one insert tool. The at least one external unit has at least one external input interface. At least one application-specific parameter of at least one output is generated from an input, which is transmitted to the at least one machine tool, to the at least one storage device, and/or to other external units.
    Type: Application
    Filed: August 23, 2017
    Publication date: December 5, 2019
    Inventors: Florian Bantle, Thomas Duerr, Thomas Weller, Jasamin Abied, Istvan Szell
  • Patent number: 10406714
    Abstract: A power-tool cutting device that is free of a torque-transmitting element includes at least one cutting strand and at least one guiding unit for guiding the cutting strand. The guiding unit together with the cutting strand forms a closed system. The power-tool cutting device has at least one preloading unit that is arranged on the guiding unit. The preloading unit is configured for automatic play compensation and/or tolerance compensation of the cutting strand at least during a state of the guiding unit in which the guiding unit is removed from a coupling device of a portable power tool.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: September 10, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Duerr, Petr Grulich
  • Publication number: 20180370011
    Abstract: In a hand-held power tool with a drive unit comprising at least one drive motor and a transmission coupled to the drive motor for driving a working tool, wherein the transmission can be shifted between at least two different gear ratios, a communication interface is provided for communication with a guide unit operable by a user and designed to receive gearshift instructions from the guide unit for shifting the transmission between the two different gear ratios according to the specific use.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 27, 2018
    Inventors: Florian Bantle, Thomas Duerr, Juergen Gairing
  • Publication number: 20180361559
    Abstract: A hand-held power tool includes a drive unit configured to drive an insertion tool in at least one non-percussive operating mode. The drive unit includes a percussion mechanism for percussive driving of the insertion tool in an associated percussion mode. The hand-held power tool further include a user guidance unit configured to be actuated by a user and a communication interface configured to communicate with the user guidance unit and to receive, from the user guidance unit, changeover instructions for changing over the drive unit between the at least one non-percussive operating mode and the associated percussion mode in an application-specific manner.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 20, 2018
    Inventors: Florian BANTLE, Thomas DUERR, Juergen GAIRING
  • Publication number: 20180079102
    Abstract: A power-tool cutting device that is free of a torque-transmitting element includes at least one cutting strand and at least one guiding unit for guiding the cutting strand. The guiding unit together with the cutting strand forms a closed system. The power-tool cutting device has at least one preloading unit that is arranged on the guiding unit. The preloading unit is configured for automatic play compensation and/or tolerance compensation of the cutting strand at least during a state of the guiding unit in which the guiding unit is removed from a coupling device of a portable power tool.
    Type: Application
    Filed: March 1, 2016
    Publication date: March 22, 2018
    Inventors: Thomas Duerr, Petr Grulich
  • Publication number: 20170320227
    Abstract: A machining tool, in particular to a rotating cutter machining tool, includes at least one cutting strand and at least one cutting strand-guiding unit. The machining tool also includes at least one cutting edge-guiding unit disposed on the cutting strand-guiding unit. The cutting edge-guiding unit has a maximum transverse extension that is equal to or greater than a maximum cutting width of the cutting strand.
    Type: Application
    Filed: May 8, 2014
    Publication date: November 9, 2017
    Inventors: Uwe Engelfried, Rudolf Fuchs, Thomas Duerr