Patents by Inventor Karl Rohner

Karl Rohner 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: 4341027
    Abstract: At least one trailing scraper member freely swingable within a vertical plane is provided, which has a scraper blade and a scraper base disposed at an acute angle relative to the blade. The angle of adjustment of the scraper member relative to the snow surface over which the device travels is adjustable, so that the scraper member either removes snow from the snow surface or slides over same. Associated with the scraper member is a scooping device limited by side walls and by a shield which can be lifted or lowered, in order to collect the snow provided by the scraping member and to transport same to another location and discharge same on lifting of the shield.
    Type: Grant
    Filed: October 28, 1980
    Date of Patent: July 27, 1982
    Assignee: Kempf & Co. AG Forder- und Lagertechnik
    Inventor: Karl Rohner