Patents by Inventor Frank Riechers

Frank Riechers 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).

  • Press-on composite bumper to composite piston
    Patent number: 10690209
    Abstract: An air spring includes a composite bumper, a composite piston, a flexible bellow and an upper end cap member. The composite piston has a first end which includes a plurality of rigid portions and a plurality of adjacently positioned cantilever snap joints for receiving and securing the composite bumper. The composite bumper includes an inner wall having a surface shape for securely engaging the plurality of rigid portions and the plurality of cantilever snap joints. The first end of the composite piston further includes a piston housing surface upon which an outer surface of the composite bumper nests against. The flexible bellow is sealingly attached to the composite piston and the upper end cap member. The flexible bellow, the upper end cap member, and the composite piston together form a fluid tight chamber, and the composite bumper is contained within the fluid tight chamber.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: June 23, 2020
    Assignee: ContiTech Luftfedersysteme GmbH
    Inventors: Armando Vazquez Fernandez, Carsten Hansen, Jose Antonio Martinez Gorbena, Frank Riechers
  • PRESS-ON COMPOSITE BUMPER TO COMPOSITE PISTON
    Publication number: 20200040959
    Abstract: An air spring includes a composite bumper, a composite piston, a flexible bellow and an upper end cap member. The composite piston has a first end which includes a plurality of rigid portions and a plurality of adjacently positioned cantilever snap joints for receiving and securing the composite bumper. The composite bumper includes an inner wall having a surface shape for securely engaging the plurality of rigid portions and the plurality of cantilever snap joints. The first end of the composite piston further includes a piston housing surface upon which an outer surface of the composite bumper nests against. The flexible bellow is sealingly attached to the composite piston and the upper end cap member. The flexible bellow, the upper end cap member, and the composite piston together form a fluid tight chamber, and the composite bumper is contained within the fluid tight chamber.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 6, 2020
    Applicant: ContiTech Luftfedersysteme GmbH
    Inventors: Armando Vazquez Fernandez, Carsten Hansen, Jose Antonio Martinez Gorbena, Frank Riechers