Patents by Inventor Roland Haller

Roland Haller 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).

  • Power cylinder construction
    Patent number: 3942415
    Abstract: A fluid actuated power cylinder comprising a housing means and attached base means for pivotal mounting of the cylinder characterized by a structural arrangement for strongly attaching the base by welding techniques without causing heat imposed distortion of cylindrical surfaces of the working surfaces. The apparatus is further characterized by a quickly detachable base plate construction which permits ready access to the interior components of the cylinder via the base end thereof.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: March 9, 1976
    Assignee: Harsco Corporation
    Inventor: Roland Haller
  • Power cylinder construction
    Patent number: 3934423
    Abstract: A power cylinder of the multiple stage telescoping type that is characterized by a plurality of telescoping piston and cylinder assemblies, each of which comprises a composite cylinder and piston sleeve construction and an end closure construction that provides an extension stop for the piston sleeve of the next adjacent stage. The apparatus is further characterized by a quickly detachable base plate construction which permits ready access to the interior components of the cylinder via the base end thereof.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: January 27, 1976
    Assignee: Harsco Corporation
    Inventor: Roland Haller