Patents by Inventor Heinz-Juergen Niggl

Heinz-Juergen Niggl 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: 6407332
    Abstract: The cabinet has four upright supports, which are connected to one another at the top and bottom in each case, for fixing the subassemblies and distribution components, the upright supports each having a comb-like limb that points obliquely outward and whose outer edge in each case forms an edge of the cabinet.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: June 18, 2002
    Assignee: Siemens Aktiengesellschaft
    Inventors: Georg Buchberger, Heinz-Juergen Niggl, Stefan Schwind
  • Patent number: 6100468
    Abstract: A housing for electrical assemblies is composed of at least one chassis, whereby u-shaped connecting clips open toward the back are arranged between the individual chassis, the u-shaped clips being composed of vertically proceeding, perforated plates that terminate flush with the chassis. A floor part composed of a fire protection floor and a floor clip that is fashioned similar to the connecting clip and a cover part composed of an upper covering and a cover clip that is fashioned similar to the connecting clip are also provided.
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: August 8, 2000
    Assignee: Siemens Aktiengesellschaft
    Inventors: Heinz-Juergen Niggl, Georg Buchberger, Stefan Schwind, Matthew-T Hannigan
  • Patent number: 5219443
    Abstract: An equipment cabinet having side walls, floor and ceiling formed of sheet metal blanks whose middle region is perforated and whose edge region comprises parallel slots proceeding perpendicular to the edges, whereby the edge regions are multiply angled off, or folded over, for the formation of string pieces. The side walls are joined to the floor and ceiling with connector elements having a quadratic cross-section.
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: June 15, 1993
    Assignee: Siemens Aktiengesellschaft
    Inventors: Peter Stoerk, Heinz-Juergen Niggl, Georg Buchberger, Karl Zell