Patents by Inventor Michael Kaufmann

Michael Kaufmann 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).

  • Publication number: 20170276100
    Abstract: The invention relates to a filter element (10), comprising a filter body (12) in concentric form having a longitudinal axis (L), a first end disk (16) situated on one end face (15), and a second end disk (18) situated on the opposite end face (17), and a support tube (14) situated concentrically around the longitudinal axis (L) between the first and the second end disks (16, 18). At least one of the end disks (18) may have support knobs arranged in a circular arrangement about the longitudinal axis and extending in axial direction outwardly. The at least one end disk may have a centering element (22) that is situated around the longitudinal axis (L), as a result of which the filter element (10) can be radially centered during installation in the housing (108). A support structure (20) may be provided on the at least one end disk (18) which is concentric with respect the centering element (22) and is provided for at least axially supporting the filter element (10) in the housing (108).
    Type: Application
    Filed: May 8, 2017
    Publication date: September 28, 2017
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 9657695
    Abstract: The invention relates to a filter element (10), comprising a filter body (12) in concentric form having a longitudinal axis (L), a first end disk (16) situated on one end face (15), and a second end disk (18) situated on the opposite end face (17), and a support tube (14) situated concentrically around the longitudinal axis (L) between the first and the second end disks (16, 18). At least one of the end disks (18) has a centering element (22) that is situated around the longitudinal axis (L), as a result of which the filter element (10) can be radially centered during installation in the housing (108). A support structure (20) is provided on the at least one end disk (18) which is concentric with respect the centering element (22) and is provided for at least axially supporting the filter element (10) in the housing (108). The invention further relates to a filter system (100) for exchangeably installing such a filter element (10).
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 23, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 9649585
    Abstract: A filter system has a housing with a housing wall and at least one lid. An inlet socket is arranged at the housing and feeds a fluid to be filtered into the housing. An outlet socket is arranged at the housing and discharges the fluid that has been filtered from the housing. A sensor socket is arranged at an end section of the housing. The sensor socket is arranged angularly relative to a longitudinal axis of the housing at the outlet socket.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: May 16, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Oliver Steins, Klaus-Dieter Ruhland, Michael Kaufmann
  • Patent number: 9623358
    Abstract: A filter system has a housing with a housing wall and at least one cover. An inlet port is arranged on the housing and supplies a fluid to be filtered to the housing. An outlet port is arranged on the housing and discharges the fluid that has been filtered from the housing. A support tube is arranged in an interior of the housing and accommodates a filter element. The support tube extends along a housing axis of the housing and has a receiving side, wherein the support tube is connected to the housing by a first detent connection provided on the receiving side.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: April 18, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland, Reinhard Oelpke
  • Publication number: 20170096973
    Abstract: A filter cartridge for a filter for filtering a fluid is to be used downstream of a main filter cartridge in a filter and is provided with an inflow surface, an outflow surface, and a main flow direction extending from the inflow surface to the outflow surface. A filter body is provided that can be flowed through along the main flow direction. A filter cartridge frame supports the filter body. A seal is disposed on the filter cartridge frame and separates a filter interior of a filter into a clean side and a raw side. An adhesive connection is provided that connects the filter body and the filter cartridge frame to each other. In one configuration, the filter cartridge frame at an inflow side is provided with a grip area, wherein the grip area enables inflow of a fluid into the filter body via the grip area and manual removal of the filter cartridge.
    Type: Application
    Filed: December 18, 2016
    Publication date: April 6, 2017
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Publication number: 20170096972
    Abstract: A filter cartridge for a filter for filtering of fluid is provided with an inflow surface, an outflow surface, and a main flow direction extending from the inflow surface to the outflow surface. A filter body is provided. A filter cartridge frame supports the filter body. A seal is disposed on the filter cartridge frame in the area of the outflow surface and separates a filter interior of a filter into a clean side and a raw side. A spacer structure is provided that determines a spacing between the filter cartridge frame and a further downstream filter cartridge in the main flow direction. Another configuration of the filter cartridge is provided that has an edge protection extending externally circumferentially about the filter cartridge frame in the area of the inflow surface. The edge protection connects the filter body and the filter cartridge frame with each other.
    Type: Application
    Filed: December 18, 2016
    Publication date: April 6, 2017
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Publication number: 20170096971
    Abstract: A filter cartridge for a filter for filtration of a fluid has a prismatic basic shape with a base face and a top face arranged parallel to each other and each having a polygonal basic shape. The prismatic basic shape is provided with a first lateral face and a second lateral face neighboring the first lateral face, wherein the first lateral face is an inflow surface and is substantially positioned perpendicular to the neighboring second lateral face. The prismatic basic shape has a third lateral face that is an outflow surface and is positioned at an angle relative to the first lateral face, wherein the angle is greater than 10° and smaller than 80°. A filter with such a filter cartridge is disclosed.
    Type: Application
    Filed: December 18, 2016
    Publication date: April 6, 2017
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 9587598
    Abstract: A filter housing for receiving a filter element is provided with a first housing part having a first housing opening and a second housing opening. A second housing part is connected to the first housing part. A first connecting socket is arranged at the first housing opening of the first housing part. A second connecting socket is arranged at the second housing opening of the first housing part. A receiving space is provided in an interior of the filter housing between the first and second housing openings, wherein the receiving space accommodates the filter element.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: March 7, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland, Karlheinz Muenkel, Manfred Winter
  • Publication number: 20170036155
    Abstract: A filter system for intake air of an internal combustion engine has a housing with a cover. A filter element is arranged in the housing. An inlet feeds a medium to be filtered into the housing and an outlet discharges the medium from the housing. The filter element has a filter body with first end face and opposite second end face. The filter element has an open first end plate at the first end face and a second end plate at the second end face. A support tube is arranged concentrically about a longitudinal axis in the housing and attached with a first end to the housing. The support tube is arranged in the interior of the filter element and radially supports the filter body. The second end plate rests on the second end of the support tube and on an inner cover contour of the cover with anti-rotation action.
    Type: Application
    Filed: October 25, 2016
    Publication date: February 9, 2017
    Inventors: Klaus-Dieter Ruhland, Michael Kaufmann
  • Publication number: 20160361277
    Abstract: An anise flavored liquid medication. The liquid medication contains phenylephrine and an anethole analog that is substantially free of aldehyde groups. In one example, the anethole analog can be 1-methoxy-4-n-propylbenzene.
    Type: Application
    Filed: August 26, 2016
    Publication date: December 15, 2016
    Inventors: Allyn Michael Kaufmann, James Carl Grimm, Chelsay Lynn Brewster, Thomas Edward Huetter
  • Patent number: 9511317
    Abstract: A filter system for intake air of an internal combustion engine has a housing with a cover. A filter element is arranged in the housing. An inlet feeds a medium to be filtered into the housing and an outlet discharges the medium from the housing. The filter element has a filter body with first end face and opposite second end face. The filter element has an open first end plate at the first end face and a second end plate at the second end face. A support tube is arranged concentrically about a longitudinal axis in the housing and attached with a first end to the housing. The support tube is arranged in the interior of the filter element and radially supports the filter body. The second end plate rests on the second end of the support tube and on an inner cover contour of the cover with anti-rotation action.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: December 6, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Klaus-Dieter Ruhland, Michael Kaufmann
  • Patent number: 9486729
    Abstract: An air filter element (10) with a cylindrical central pipe (11) is provided wherein at one end of the central tube (11) a device (18) for transmission of torque from a tool to the air filter element (10) is provided and at the other end of the central tube (11) a fastening device (14) for detachably mounting the filter element (10) within a cylindrical support body (21) by means of an insertion/rotation movement is provided.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: November 8, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 9457085
    Abstract: An anise flavored liquid medication. The liquid medication contains phenylephrine and an anethole analog that is substantially free of aldehyde groups. In one example, the anethole analog can be 1-methoxy-4-n-propylbenzene.
    Type: Grant
    Filed: February 13, 2014
    Date of Patent: October 4, 2016
    Assignee: The Procter & Gamble Company
    Inventors: Allyn Michael Kaufmann, James Carl Grimm, Chelsay Lynn Brewster, Thomas Edward Huetter
  • Patent number: 9457307
    Abstract: A filter system is provided with a housing having a housing wall and a cover, the housing having a longitudinal axis. An inlet is arranged on the housing and feeds a fluid to be filtered into the housing. An outlet is arranged on the housing and discharges the filtered fluid. Filter elements each having at least one filter medium are arranged in the housing. At least one of the filter elements extends along the longitudinal axis. The filter medium has pleats extending along the longitudinal axis with outer and inner pleat edges. The outer pleat edges extend on the first side of the filter medium and the inner pleat edges on the second side of the filter medium and are opposite the outer pleat edges. The filter medium has a variable flow resistance along the longitudinal axis.
    Type: Grant
    Filed: September 1, 2014
    Date of Patent: October 4, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland, Imre Marton
  • Patent number: 9457308
    Abstract: A filter element has a filter body having a longitudinal axis, wherein the filter body has a first end with a first end face and a second end with a second end face opposite the first end in direction of the longitudinal axis. The filter body is provided with inner and outer circumferential surfaces permeable for a medium to be filtered. A first end disk is arranged at the first end face and a second end disk is arranged at the second end face. The outer circumferential surface of the filter body has at least one fluid-tight area that is impermeable for the medium to be filtered. The fluid-tight area is an incoming flow protector or an improper handling protector resting on the outer circumferential surface.
    Type: Grant
    Filed: September 1, 2014
    Date of Patent: October 4, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Publication number: 20160279554
    Abstract: A filter (1) for filtering air, in particular an air filtering element (30), is provided for releasably fitting into a housing (10) which has a housing upper part (11) and in particular a central tube (20) fastened to the housing upper part (11), and also the housing for the filtering element (30) is provided. The filtering element has a seal (33, 34) for holding the filtering element (1) on the housing upper part (11) and the central tube (20) and for sealing the space (111) between the filtering element (30) and housing upper part (11) when the filtering element (30) is releasably fitted in the housing (10). The seal (33, 34) is connectable in a form-fitting manner to a sealing receptacle (111) of the housing upper part (11) and/or of the central tube (20).
    Type: Application
    Filed: June 6, 2016
    Publication date: September 29, 2016
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Publication number: 20160220935
    Abstract: A hollow filter element of a filter device for filtering air is arranged exchangeably in a filter housing of the filter device so that at least one air inlet of the filter housing for air to be filtered is separated from at least one air outlet of the filter housing for filtered air. The hollow filter element is provided with at least one filter bellows made of at least one filter medium surrounding at least one element interior circumferentially relative to an element axis of the hollow filter element. At least one grip device is arranged at an end face of the at least one filter bellows that is not provided for passage of air in operation of the hollow filter element. The hollow filter element can be gripped by the at least one grip device at least for installation into or removal from the filter housing.
    Type: Application
    Filed: January 27, 2016
    Publication date: August 4, 2016
    Inventors: Klaus-Dieter Ruhland, Michael Kaufmann
  • Publication number: 20160201619
    Abstract: A filter element has a filter body having a longitudinal axis and a concentric shape relative to the longitudinal axis. The filter body has a first end face and a second opposite end face. A first end disk is arranged at the first end face. A second end disk is arranged at the second end face. A support tube concentric to the longitudinal axis extends between the first and second end disks. At least one of the first and second end disks has support knobs arranged in a circular arrangement about the longitudinal axis and extending in axial direction outwardly. The support knobs, when the filter element is mounted in a housing that receives the filter element, rest against an inner cover contour of the housing and fold over in radial direction outwardly so as to be supported axially and radially on the housing.
    Type: Application
    Filed: January 12, 2016
    Publication date: July 14, 2016
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Publication number: 20160162703
    Abstract: A system and method for processing documents includes a first component for receiving document data of at least one document, authenticating a user and storing the received document data of the at least one document in a database when the authenticated user corresponds with a pre-specified or entitled user; a second component for receiving document data of at least one document, generating at least one document in a portable document format based on the received document data, authenticating a user, digitally signing and/or encrypting the at least one generated document in the portable document format, and storing the at least one digitally signed and/or encrypted document in the portable document format in a database when the authenticated user corresponds with a pre-specified or entitled user; and a third component for deciding whether the at least one document shall be processed either in the first component or in the second component.
    Type: Application
    Filed: August 26, 2014
    Publication date: June 9, 2016
    Inventor: Michael KAUFMANN
  • Patent number: D762834
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 2, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Peter Theiss