Patents by Inventor Ernst Berwald

Ernst Berwald 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: 4958742
    Abstract: A pressure relief assembly arranged in the upper central region of a container for carrying liquids under pressure. The pressure relief assembly is provided in a hole in the container and includes a cylindrical housing having one end closed off and provided with an opening for a pressure relief valve. The pressure relief valve is mounted on a mounting plate which has a diameter greater than the hole provided in the bottom wall of the cylinder. A tube element is welded to the container about the opening to which the cylindrical housing of the pressure relief assembly is attached through the provision of a circumferential mounting flange. A cover may be provided over the cylindrical housing of the pressure relief assembly to protect the assembly from weather.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: September 25, 1990
    Assignee: Schering Aktiengesellschaft
    Inventors: Ernst Berwald, Winfried Lewe
  • Patent number: 4807777
    Abstract: A safety transport system for hazardous or valuable chemicals, particularly in liquid form, is provided. The chemicals are contained, according to their hazardousness and/or vulnerability during transportation, in tanks of relatively small volume which are provided with a base. A plurality of said tanks form a unit load specifically designed for shipment by highway, rail, air or marine transportation means. The unit load of the safety transport system includes one or more tanks, and a container platform for supporting a plurality of intermediate support elements which secure the tanks to the platform.
    Type: Grant
    Filed: December 3, 1987
    Date of Patent: February 28, 1989
    Assignee: Schering AG
    Inventors: Ernst Berwald, Winfried Lewe
  • Patent number: 4088238
    Abstract: A frame container for pressure vessels is disclosed which includes coupling elements for releasably mounting the pressure vessels in the frame container. Coupling elements are also provided at the corners of the frame to allow a plurality of frames to be secured together.
    Type: Grant
    Filed: July 13, 1976
    Date of Patent: May 9, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Ernst Berwald, Volker Asbeck
  • Patent number: 3963144
    Abstract: In a transport container for dangerous liquids, a protective shell is provided for the charging and emptying fittings mounted on the container. The shell consists of an upwardly opening shell structure mounted on the container and having a central portion which extends into the container, with a pair of exposed end portions that extend outwardly from the container; at least one of the exposed end portions is opened to allow drainage of fluid from the shell. The charging and emptying fittings, and other control devices, are positioned in the shell where they are protected against corrosion and breakage, and yet are readily accessible for operation.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: June 15, 1976
    Assignee: Schering Aktiengesellschat
    Inventor: Ernst Berwald
  • Patent number: D250123
    Type: Grant
    Filed: January 10, 1977
    Date of Patent: October 31, 1978
    Assignee: Schering Aktiengesellschaft
    Inventor: Ernst Berwald