Patents by Inventor Ulli Hoffmann

Ulli Hoffmann 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: 10350742
    Abstract: Percussion unit, especially for a rotary hammer and/or percussion hammer, comprising a control unit which is designed for controlling a pneumatic percussion mechanism. According to the disclosure, the control unit comprises at least one load estimation device.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: July 16, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Rainer Nitsche, Antoine Vandamme, Thomas Winkler, Helge Sprenger, Haris Hamedovic, Wolfgang Fischer, Christian Bertsch, Mario Eduardo Vega Zavala, Ulli Hoffmann, Thilo Henke, Achim Duesselberg
  • Patent number: 10309914
    Abstract: A hand-held measuring appliance includes at least a nuclear magnetic resonance sensor, a control apparatus configured to control the measuring appliance, an evaluation apparatus configured to evaluate a measurement signal supplied by the nuclear magnetic resonance sensor, an output apparatus configured to output ascertained information, and an apparatus for energy supply. The measuring appliance is configured to examine at least one of fuel, oil, and hydraulic fluid.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: June 4, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Andreas Graessl, Klaus Marx, Reiner Krapf, Ulli Hoffmann
  • Patent number: 9969071
    Abstract: Percussion unit, especially for a rotary hammer and/or percussion hammer, comprising a control unit which is designed for open-loop and/or closed loop control of a pneumatic percussion mechanism, and at least one operating condition sensor unit. According to the disclosure, the control unit is designed to detect at least one percussion mechanism parameter depending on measurement values of the operating condition sensor unit.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: May 15, 2018
    Assignee: Robert Bosch GmbH
    Inventors: Rainer Nitsche, Matthias Tauber, Gerd Schlesak, Antoine Vandamme, Thomas Winkler, Christian Bertsch, Achim Duesselberg, Ulli Hoffmann, Thilo Henke, Juergen Lennartz, Helge Sprenger
  • Publication number: 20170261443
    Abstract: A mobile measuring device, in particular a hand-held measuring device, comprises a housing, in which at least one sensor device, a control device for controlling the sensor device, an evaluation device for evaluating the measurement signals supplied by the sensor device as well as a device for supplying energy to the measuring device are provided. The sensor device comprises at least one nuclear spin resonance sensor which is provided at least for the detection and/or analysis and/or differentiation of a material characteristic of a workpiece, in particular in a workpiece.
    Type: Application
    Filed: July 29, 2015
    Publication date: September 14, 2017
    Inventors: Reiner Krapf, Klaus Marx, Ulli Hoffmann
  • Publication number: 20170176359
    Abstract: A hand-held measuring appliance includes at least a nuclear magnetic resonance sensor, a control apparatus configured to control the measuring appliance, an evaluation apparatus configured to evaluate a measurement signal supplied by the nuclear magnetic resonance sensor, an output apparatus configured to output ascertained information, and an apparatus for energy supply. The measuring appliance is configured to examine at least one of fuel, oil, and hydraulic fluid.
    Type: Application
    Filed: December 20, 2016
    Publication date: June 22, 2017
    Inventors: Andreas Graessl, Klaus Marx, Reiner Krapf, Ulli Hoffmann
  • Publication number: 20170176549
    Abstract: The use of a hand-held, energy-independent measuring appliance comprising a housing, in which provision is made of at least a nuclear magnetic resonance sensor, a control apparatus for controlling the measuring appliance, an evaluation apparatus for evaluating a measurement signal supplied by the nuclear magnetic resonance sensor, an output apparatus for outputting ascertained information and an apparatus for energy supply for the measuring appliance in the form of a battery, in particular a rechargeable battery, for the purposes of examining a constituent of a human or animal body, in particular for examining tissue and/or bodily fluids, preferably for examining blood and/or urine, is proposed.
    Type: Application
    Filed: December 19, 2016
    Publication date: June 22, 2017
    Inventors: Reiner Krapf, Ulli Hoffmann, Andreas Graessl, Klaus Marx
  • Patent number: 9652217
    Abstract: The disclosure relates to an electric tool, particularly a hand-held power tool, comprising a control unit which has control software with control parameters, and is provided for the purpose of controlling a drive unit. According to the disclosure, said electric tool comprises an interface unit that is provided to fundamentally update and/or modify the control software and/or the control parameters.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: May 16, 2017
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Winkler, Ulli Hoffmann, Klaus Kuespert, Klaus Marx, Carsten Diem, Jan Breitenbach, Juergen Lennartz, Ulrich Schulmeister, Christian Bertsch, Achim Duesselberg, Helge Sprenger
  • Patent number: 9358624
    Abstract: For a machine tool designed in particular as a saber saw, a configuration including a carrying frame is provided, via which the lifting rod and the support element are joined to form a unit that can be rotated about the longitudinal axis of the power tool, is mounted on the casing side, and guides a drive part of the lift drive on the lifting rod side.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: June 7, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Florian Bantle, Hans Kaiser, Thilo Koeder, Joachim Platzer, Ulli Hoffmann, Jan Koegel, Marcel Casota
  • Publication number: 20150328736
    Abstract: A hand-guided semiautonomous jigsaw includes a tool receiver and an electronic control unit. The tool receiver is configured to receive a saw blade having a cutting edge for sawing along a predefined reference cutting line on an assigned workpiece. An electromechanical actuator is configured to swivel the tool receiver within a predefined angular range about a swivel axis coincident with a rotation axis of the saw blade in response to a signal from an assigned optoelectronic mechanism in order to automatically align the saw blade when sawing along the predefined reference cutting line. The electronic control unit is configured to compensate a parallel distance between the cutting edge and the rotation axis of the saw blade during sawing.
    Type: Application
    Filed: May 13, 2015
    Publication date: November 19, 2015
    Inventors: Nicolas Klotz, Ulli Hoffmann, Andre Hoffmann, Marcel Fankhauser
  • Publication number: 20150158170
    Abstract: The disclosure relates to a hand-held power tool comprising a percussion mechanism, especially a rotary hammer and/or percussion hammer. According to the disclosure, at least one sensor unit comprising at least sensor for at least one mechanical measurement variable is provided for detecting at least one percussion parameter.
    Type: Application
    Filed: April 3, 2013
    Publication date: June 11, 2015
    Inventors: Rainer Nitsche, Thomas Winkler, Christian Bertsch, Achim Duesselberg, Ulli Hoffmann, Helge Sprenger
  • Publication number: 20150136433
    Abstract: Percussion unit, especially for a rotary hammer and/or percussion hammer, comprising a control unit which is designed for open-loop and/or closed loop control of a pneumatic percussion mechanism, and at least one operating condition sensor unit. According to the disclosure, the control unit is designed to detect at least one percussion mechanism parameter depending on measurement values of the operating condition sensor unit.
    Type: Application
    Filed: April 24, 2013
    Publication date: May 21, 2015
    Inventors: Rainer Nitsche, Matthias Tauber, Gerd Schlesak, Antoine Vandamme, Thomas Winkler, Christian Bertsch, Achim Duesselberg, Ulli Hoffmann, Thilo Henke, Juergen Lennartz, Helge Sprenger
  • Publication number: 20150135306
    Abstract: The disclosure relates to an electric tool, particularly a hand-held power tool, comprising a control unit which has control software with control parameters, and is provided for the purpose of controlling a drive unit. According to the disclosure, said electric tool comprises an interface unit that is provided to fundamentally update and/or modify the control software and/or the control parameters.
    Type: Application
    Filed: April 3, 2013
    Publication date: May 14, 2015
    Inventors: Thomas Winkler, Ulli Hoffmann, Klaus Kuespert, Klaus Marx, Carsten Diem, Jan Breitenbach, Juergen Lennartz, Ulrich Schulmeister, Christian Bertsch, Achim Duesselberg, Helge Sprenger
  • Publication number: 20150107123
    Abstract: A hand-guided jig saw includes a tool housing that houses a drive motor. The drive motor is configured to drive a reciprocating transmission that drives a reciprocating unit connected to a tool receptacle. A vertical axis of the tool receptacle saw is configured to receive a saw blade. In order to enable at least partial free cutting of the saw blade for forming a sawing passage in a workpiece, the tool receptacle, via an electromechanical actuating system, is pivotable by a pre-defined angle about a vertical axis. A pivoting movement of the saw blade is superimposed by at least a reciprocating movement of the tool receptacle.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 23, 2015
    Inventors: Nicolas Klotz, Ulli Hoffmann
  • Publication number: 20150101835
    Abstract: Percussion unit, especially for a rotary hammer and/or percussion hammer, comprising a control unit which is designed for controlling a pneumatic percussion mechanism. According to the disclosure, the control unit comprises at least one load estimation device.
    Type: Application
    Filed: April 24, 2013
    Publication date: April 16, 2015
    Inventors: Rainer Nitsche, Antoine Vandamme, Thomas Winkler, Helge Sprenger, Haris Hamedovic, Wolfgang Fischer, Christian Bertsch, Mario Eduardo Vega Zavala, Ulli Hoffmann, Thilo Henke, Achim Duesselberg
  • Patent number: 8925208
    Abstract: The disclosure provides a transverse guide of a saw blade for a machine tool, particularly for a hand-guided machine tool in the form of a band saw or jigsaw, wherein the saw blade can be rotated about the longitudinal axis thereof by way of said guide in the opposite direction to said forces as a function of transverse and/or torsional forces acting on the saw blade.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: January 6, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Stefano Delfini, Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Patent number: 8714064
    Abstract: A power tool, particularly a hand-held power tool, is provided with a sensor unit for sensing an observation area on the workpiece side with varying resolution and having arranged in front of it a lens system with lenses of varying focal length.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: May 6, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Thilo Koeder, Joachim Platzer, Ulli Hoffmann
  • Patent number: 8698482
    Abstract: The invention relates to a measuring device, especially for a machine tool and/or a manual measuring device, comprising a measuring unit (12a-d) that is adapted to measure and an external signal recognition unit (14a-d). The invention is characterized in that the external signal recognition unit (14a-d) is adapted to recognize an external signal during and/or prior to a measurement of the measuring unit (12a-d).
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: April 15, 2014
    Assignee: Robert Rosch GmbH
    Inventors: Reiner Krapf, Heiko Braun, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Patent number: 8686891
    Abstract: The invention relates to a locating device, in particular a hand-guided locating device, with a locating unit (36) for detecting the presence of an object (16, 18) arranged in an examination object (14) by means of an examination signal (38), which has a polarization unit (50) provided for a procedure with the examination signal (38), and with a housing (20) for taking up the locating unit (36), which has a longitudinal axis (24). It is proposed that in at least one operating mode the polarization unit (50) specifies at least one first polarization plane (52, 54) aligned obliquely to the longitudinal axis (24).
    Type: Grant
    Filed: October 31, 2008
    Date of Patent: April 1, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Reiner Krapf, Heiko Braun, Michael Mahler, Christoph Wieland, Ulli Hoffmann
  • Patent number: 8656598
    Abstract: A handheld jigsaw, such as a compass saw (10), is disclosed that comprises a housing (12, 13) and a lifting rod (20) having a pendulum mechanism (38). The pendulum mechanism includes a pendulum lever (40) with which a pendulum stroke can be given during sawing to a saw blade (28) carried by the lifting rod (20). The lifting rod (20) is arranged such that it can rotate about its own axis (21) thereof and pivot transversely to the axis (21), and wherein the pendulum mechanism (38) can rotate about the axis (21).
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: February 25, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Hans Kaiser, Marcel Casota, Joachim Platzer, Thilo Koeder, Ulli Hoffmann, Jan Koegel
  • Patent number: 8546759
    Abstract: A measuring device, in particular a handheld measuring device, for the localization of objects enclosed in a medium, including at least one photometric sensor that obtains by way of the at least one photometric sensor a first measurement signal of the object to be examined, so that by evaluation of that measurement signal, information about an object enclosed in the medium is obtained, and at least one further sensor, for generating at least one further second measurement signal for obtaining information about the object enclosed in the medium. A method for the localization, by way of a photometric sensor, of objects enclosed in a medium.
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: October 1, 2013
    Assignee: Robert Bosch GmbH
    Inventors: Uwe Skultety-Betz, Bjoern Haase, Michael Mahler, Ulli Hoffmann, Reiner Krapf, Christoph Wieland