Patents by Inventor ALOIS KROELL

ALOIS KROELL 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).

  • CHOPPING BLADE OF HARDENED STEEL, CHOPPING DRUM AND CHOPPING DRUM ASSEMBLY
    Publication number: 20170203300
    Abstract: A chopping blade for cutting against a shear bar has a main body made of hardened steel. The blade body is formed with at least one cutting-edge region, a fastening region for fastening the blade to a carrier and in each case a transition region between the cutting-edge region and the fastening region. The main body bears a hard material coating in the cutting-edge region. The hardness of the main body is uniform throughout over all regions. A chopping drum carries a multiplicity of these chopping blades on its periphery and, upon rotation of the chopping drum, the chopping blades cut material upon running up against a stationary shear bar.
    Type: Application
    Filed: March 31, 2017
    Publication date: July 20, 2017
    Inventors: ALOIS KROELL, WOLFGANG LUTZ
  • CHOPPING BLADE OF HARDENED STEEL AND CHOPPING DRUM
    Publication number: 20140299702
    Abstract: A chopping blade has a main body made of hardened steel. The blade body is formed with at least one cutting-edge region, a fastening region for fastening the blade to a carrier and in each case a transition region between the cutting-edge region and the fastening region. The main body bears a hard material coating in the cutting-edge region. The hardness of the main body is uniform throughout over all regions. A chopping drum carries a multiplicity of these chopping blades on its periphery.
    Type: Application
    Filed: April 4, 2014
    Publication date: October 9, 2014
    Applicant: GEBRUEDER BUSATIS GMBH
    Inventors: ALOIS KROELL, WOLFGANG LUTZ