Patents by Inventor Hans Feifel

Hans Feifel 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).

  • Machine tool having a number of multispindle spindle assemblies
    Patent number: 10207381
    Abstract: A machine tool for machining workpieces, wherein the machine tool has a first spindle assembly and at least one second spindle assembly each having at least two working spindles which are arranged in a common spindle housing and on which in each case a machining tool for workpiece machining is arrangeable, wherein the machine tool has a workpiece holding device for holding workpieces for the purpose of workpiece machining by way of the machining tools, wherein the machine tool has a guide arrangement for the relative positioning of the workpiece holding device holding the workpieces and the first and the at least one second spindle assembly for workpiece machining.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: February 19, 2019
    Assignee: ALFING KESSLER SONDERMASCHINEN GMBH
    Inventors: Rainer Burkhardt, Hans Feifel, Markus Goggerle, Ulrich Heiermann, Manfred Krieger, Ulrich Straub
  • Machine tool having a workpiece changing device
    Patent number: 9914189
    Abstract: A machine tool for machining workpieces, wherein the machine tool has at least one first spindle assembly with at least one working spindle on which a machining tool for workpiece machining is arrangeable, wherein the machine tool has a workpiece holding device for holding workpieces for the purpose of workpiece machining by way of the machining tool, wherein the machine tool has a guide arrangement for the relative positioning of the workpiece holding device holding the workpieces and the first spindle assembly for workpiece machining, wherein the guide arrangement comprises a workpiece-holder guide for guiding the workpiece holding device so as to position a workpiece holder holding the workpieces relative to the first spindle assembly.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: March 13, 2018
    Assignee: ALFING KESSLER SONDERMASCHINEN GMBH
    Inventors: Rainer Burkhardt, Hans Feifel, Markus Goggerle, Ulrich Heiermann, Manfred Krieger, Ulrich Straub
  • Machine Tool Having a Number of Multispindle Spindle Assemblies
    Publication number: 20160167187
    Abstract: A machine tool for machining workpieces, wherein the machine tool has a first spindle assembly and at least one second spindle assembly each having at least two working spindles which are arranged in a common spindle housing and on which in each case a machining tool for workpiece machining is arrangeable, wherein the machine tool has a workpiece holding device for holding workpieces for the purpose of workpiece machining by way of the machining tools, wherein the machine tool has a guide arrangement for the relative positioning of the workpiece holding device holding the workpieces and the first and the at least one second spindle assembly for workpiece machining.
    Type: Application
    Filed: July 1, 2014
    Publication date: June 16, 2016
    Inventors: Rainer Burkhardt, Hans Feifel, Markus Goggerle, Ulrich Heiermann, Manfred Krieger, Ulrich Straub
  • Machine Tool Having a Workpiece Changing Device
    Publication number: 20160167184
    Abstract: A machine tool for machining workpieces, wherein the machine tool has at least one first spindle assembly with at least one working spindle on which a machining tool for workpiece machining is arrangeable, wherein the machine tool has a workpiece holding device for holding workpieces for the purpose of workpiece machining by way of the machining tool, wherein the machine tool has a guide arrangement for the relative positioning of the workpiece holding device holding the workpieces and the first spindle assembly for workpiece machining, wherein the guide arrangement comprises a workpiece-holder guide for guiding the workpiece holding device so as to position a workpiece holder holding the workpieces relative to the first spindle assembly.
    Type: Application
    Filed: July 2, 2014
    Publication date: June 16, 2016
    Inventors: Rainer Burkhardt, Hans Feifel, Markus Goggerle, Ulrich Heiermann, Manfred Krieger, Ulrich Straub