Patents by Inventor Ralf Luttmann

Ralf Luttmann 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).

  • Rhododendron plant named 'Microhirs3'
    Publication number: 20170049020
    Abstract: A new and distinct Rhododendron hybrid plant that exhibits a compact habit and numerous flowers.
    Type: Application
    Filed: August 12, 2015
    Publication date: February 16, 2017
    Inventors: Walter Preil, Ralf Luttmann
  • plant named ‘Microhirs3’
    Patent number: PP28473
    Abstract: A new and distinct Rhododendron hybrid plant that exhibits a compact habit and numerous flowers.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: October 3, 2017
    Assignee: Inkarho GmbH
    Inventors: Walter Preil, Ralf Lüttmann
  • plant named ‘Microhirs9’
    Patent number: PP32968
    Abstract: A new cultivar of hybrid Rhododendron plant named ‘Microhirs9’ that is characterized by its inflorescences that are conical in shape, its flowers that are pink in color with the upper surface of the center of the corolla lobes white in color, its compact plant habit, and its tolerance to alkaline soils.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: April 13, 2021
    Assignee: INKARHO GMBH
    Inventors: Ralf Lüttmann, Walter Preil