Patents by Inventor Karl Massholder

Karl Massholder 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).

  • Cleaning system using ultraviolet radiation and photoactivatable semiconductor material
    Patent number: 6343400
    Abstract: A cleaning system for cleaning a surface is proposed, the cleaning system having: a cleaning tool (2) with a working region (A) and with a UV-light source (7), the UV-radiation of which emerges from the tool (2) in the working region (A), and a cleaning agent which contains a photoactivatable semiconductor material (3), UV-radiation being fed directly into the photoactivatable semiconductor material (2) in the working region (A) via a light guide device (9, 14).
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: February 5, 2002
    Inventors: Karl Massholder, Peter Manschott
  • Device with at least one surface layer
    Patent number: 6258736
    Abstract: The proposal is for a device with at least one surface layer (1) made from a semiconductor material (4) having an inner side (15), which rests on a support (3), and a disinfectable and/or oxidizing outer side (2), and with a UV radiation source (6), in which device the support (3) conducts light, UV radiation (13) from the UV radiation source (6) is input directly on to the inner side (15) of the semiconductor material (4) via the light-conducting support (3). The light-conducting support (3) and the surface layer (1) of the semiconductor material (4) lying thereon can be applied to the surface of a piece of equipment which is to be disinfected or may even form this piece of equipment.
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: July 10, 2001
    Inventor: Karl Massholder