Patents by Inventor Matthias Wetzel

Matthias Wetzel 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: 11940191
    Abstract: An expansion valve includes a housing, a threaded bush, a valve body, and a permanent magnet body. The threaded bush is arranged in the housing and extends along an axial direction. The threaded bush includes an external thread. The valve body is partially adjustably received in the threaded bush along the axial direction. The permanent magnet body is of a pot-shaped design and arranged in the housing. The permanent magnet body extends the threaded bush along the axial direction such that the valve body is partially received in a valve body receptacle surrounded by the permanent magnet body. The permanent magnet body surrounds a radially outside of the threaded bush in a common transition portion. In the transition portion, the permanent magnet body is firmly connected to the threaded bush via a latching connection.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: March 26, 2024
    Assignee: MAHLE INTERNATIONAL GMBH
    Inventors: Jeffrey Van Delden, Matthias Lindenberg, Florian Wetzel
  • Patent number: 10906195
    Abstract: A beard trimmer having a handle, a motor and a head portion. The head portion comprises at least a first long hair cutter unit for trimming hair that is provided with a first outer cutter and a first inner cutter.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: February 2, 2021
    Assignee: Braun GMBH
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Patent number: 10792824
    Abstract: An electric hair cutting kit comprises a handle with a motor for driving a beard trimmer head portion and a shaver head portion. The shaver head portion is attachable to the handle and has at least a first shaver unit, which is provided with a first foil-type outer shaver cutter and a first inner shaver cutter.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: October 6, 2020
    Assignee: Braun GMBH
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Patent number: 10493642
    Abstract: A beard trimmer which has a handle, a motor and a removable head portion. The head portion has at least a first long hair cutter unit for trimming hair. The first long hair cutter unit has first, non-foil type outer cutter and a first inner cutter, with the first outer cutter stacked onto the first inner cutter.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: December 3, 2019
    Assignee: Braun GMBH
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Patent number: 10486318
    Abstract: A beard trimmer which has a handle, a motor and a removable head portion. The head portion has first long hair cutter unit for trimming the hair length that is provided with a non-foil type outer cutter and an inner cutter. A first comb unit is provided having comb elements located adjacent to multiple cutting slots of the outer cutter. One comb element is provided on each of the opposite sides of the outer cutter. Each comb element provided with a row of comb teeth and comb slots separating the comb teeth from another. Each of the comb teeth has a tooth skin contact surface which is located on an elevated upper level relative to a cutter skin contact surface of the outer cutter.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: November 26, 2019
    Assignee: Braun GMBH
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Patent number: 10213930
    Abstract: A beard trimmer having a handle, a motor and a head portion. The head portion has a rotary cutting unit for trimming hair that is provided with a first outer cutter and a first inner cutter.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: February 26, 2019
    Assignee: Braun GMBH
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Publication number: 20180246503
    Abstract: This disclosure relates to production systems and methods. The production systems include a machine tool for machining workpieces and at least one aerial vehicle, which flies to the machine tool and is equipped with a workpiece application unit configured to apply application data including logistical data to the workpiece, which has been or is still to be machined.
    Type: Application
    Filed: February 28, 2018
    Publication date: August 30, 2018
    Inventors: Klaus Bauer, Eberhard Wahl, Rainer Schlegel, Christian Hoefert, Stephan Oechsle, Holger Roeder, Matthias Wetzel
  • Publication number: 20180085933
    Abstract: A beard trimmer which has a handle, a motor and a removable head portion. The head portion has at least a first long hair cutter unit for trimming hair. The first long hair cutter unit has first, non-foil type outer cutter and a first inner cutter, with the first outer cutter stacked onto the first inner cutter.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 29, 2018
    Inventors: UDO BADY, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Publication number: 20180085944
    Abstract: A beard trimmer having a handle, a motor and a head portion. The head portion has a rotary cutting unit for trimming hair that is provided with a first outer cutter and a first inner cutter.
    Type: Application
    Filed: September 26, 2017
    Publication date: March 29, 2018
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Publication number: 20180085945
    Abstract: A beard trimmer which has a handle, a motor and a removable head portion. The head portion comprises at least a first long hair cutter unit for trimming the hair length that is provided with a first, non-foil type outer cutter and a first inner cutter.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Publication number: 20180085946
    Abstract: A beard trimmer having a handle, a motor and a head portion. The head portion comprises at least a first long hair cutter unit for trimming hair that is provided with a first outer cutter and a first inner cutter.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Publication number: 20180085943
    Abstract: An electric hair cutting kit comprises a handle with a motor for driving a beard trimmer head portion and a shaver head portion. The shaver head portion is attachable to the handle and has at least a first shaver unit, which is provided with a first foil-type outer shaver cutter and a first inner shaver cutter.
    Type: Application
    Filed: September 26, 2017
    Publication date: March 29, 2018
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Publication number: 20180085956
    Abstract: A beard trimmer which has a handle, a motor and a removable head portion. The head portion has first long hair cutter unit for trimming the hair length that is provided with a non-foil type outer cutter and an inner cutter. A first comb unit is provided having comb elements located adjacent to multiple cutting slots of the outer cutter. One comb element is provided on each of the opposite sides of the outer cutter. Each comb element provided with a row of comb teeth and comb slots separating the comb teeth from another. Each of the comb teeth has a tooth skin contact surface which is located on an elevated upper level relative to a cutter skin contact surface of the outer cutter.
    Type: Application
    Filed: September 27, 2017
    Publication date: March 29, 2018
    Inventors: Udo Bady, Bernhard Sikora, Wolfgang Stegmann, Matthias Wetzel, Juergen Behrendt
  • Patent number: 9228982
    Abstract: A switchable valve for a sample injector includes a first valve member and a second valve member that can moved with respect to the other. The first valve member includes a plurality of ports, the second valve member includes a plurality of fluid paths. The plurality of ports include eight circumferential ports distributed along a circumference and one central port arranged at a central position of the first valve member. The plurality of fluid paths include three arcuate fluid paths so as to be couplable with at least two of the circumferential ports and one straight fluid path extending between the central position and a circumferential position so as to be couplable with the central port and one of the circumferential ports.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: January 5, 2016
    Assignee: AGILENT TECHNOLOGIES, INC.
    Inventors: Johnny Ebsen, Matthias Wetzel
  • Publication number: 20130067997
    Abstract: A switchable valve for a sample injector includes a first valve member and a second valve member that can moved with respect to the other. The first valve member includes a plurality of ports, the second valve member includes a plurality of fluid paths. The plurality of ports include eight circumferential ports distributed along a circumference and one central port arranged at a central position of the first valve member. The plurality of fluid paths include three arcuate fluid paths so as to be couplable with at least two of the circumferential ports and one straight fluid path extending between the central position and a circumferential position so as to be couplable with the central port and one of the circumferential ports.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 21, 2013
    Applicant: AGILENT TECHNOLOGIES, INC.
    Inventors: Johnny Ebsen, Matthias Wetzel
  • Publication number: 20130008030
    Abstract: The invention relates to an electrically operated cleaning device for cleaning an electrically operated hair removal apparatus, which comprises a drive means configured in a housing and a cutting or epilation means, which can be driven by the drive means and is arranged on a head end of said housing. For cleaning purposes, the cutting or epilation means can be introduced into a pan which can be filled with a cleaning liquid on the one hand, and which can have the cleaning liquid flowing therethrough on the other hand. According to a first invention, the receptacle is formed directly by the pan, wherein the pan is pivotably mounted on the cleaning device via a rotational axis, wherein an alternating torque acts on the pan for pivoting the same.
    Type: Application
    Filed: June 29, 2012
    Publication date: January 10, 2013
    Inventors: Uwe Fischer, Norbert Kreutz, Matthias Wetzel, Juergen Hoeser
  • Patent number: 7503117
    Abstract: An electric hair cutting apparatus including a casing and a cutter unit secured to the casing.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: March 17, 2009
    Assignee: Braun GmbH
    Inventors: Matthias Wetzel, Norbert Kreutz, Daniel Dietzel, Volker Stenger, Matthias Matern
  • Publication number: 20080047145
    Abstract: A system having an electric shaving apparatus and at least one accessory adapted to be detachably arranged on the shaving apparatus. The shaving apparatus has a shaving head, which has a short-hair cutting device that has at least one perforated outer cutter and at least one undercutter cooperating with the outer cutter. The accessory has two opposite retaining arms adapted to be locked into place on the shaving apparatus. The accessory is adapted to be placed on the shaving head of the shaving apparatus (1) in such a manner that it projects from the shaving apparatus in the area of its retaining arms, and the retaining arms are adapted to be locked into place on the shaving apparatus using a swiveling motion of the accessory, while the accessory continues to rest against the shaving head.
    Type: Application
    Filed: March 18, 2005
    Publication date: February 28, 2008
    Inventors: Daniel Dietzel, Matthias Wetzel, Norbert Kreutz, Matthias Matern, Volker Stenger, Jurgen Hoser
  • Patent number: 6684509
    Abstract: A shaving apparatus includes a short-hair cutter unit and a long-hair cutter unit. The long-hair cutter unit includes an outer cutter with slits and segments and an inner cutter that is movable in a vertical direction by means of a carrier structure. The outer cutter has comb elements that are associated with the comb elements of a threader comb. The comb elements of the threader comb are movable jointly with the comb elements of the outer cutter in a vertical direction.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: February 3, 2004
    Assignee: Braun GmbH
    Inventors: Bernhard Best, Ingeborg Gudat, Rainer Ontl, Matthias Wetzel
  • Patent number: 6371815
    Abstract: The invention is directed to an adapter plug in combination with a rechargeable electric appliance for personal use, such as a dry shaving apparatus, the adapter plug equipped with flat contact pins, having a plug case with contact pins for connecting to a socket-outlet and a case wall provided with accommodating holes suitable for receiving flat contact pins of the electric appliance in order to close a circuit, said accommodating holes being associated with a safety wall projecting from the case wall, in such fashion that during the process of inserting the flat contact pins in the accommodating holes the relative distance of the accommodating holes or of the flat contact pins of the electric appliance to the safety wall is at least equal to or greater than the safety clearance to be maintained to prevent voltage flashover. The safety wall has at least one recess for accommodating a housing of the electric appliance.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: April 16, 2002
    Assignee: Braun GmbH
    Inventors: Matthias Wetzel, Jochen Cimbal