Patents by Inventor Falk Schönfeld

Falk Schönfeld 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).

  • Cast iron alloy for cylinder heads
    Patent number: 9132478
    Abstract: A lamellar graphite cast iron alloy is described which, as additives, has 2.80% by weight-3.60% by weight carbon (C), 1.00% by weight-1.70% by weight silicon (Si), 0.10% by weight-1.20% by weight manganese (Mn), 0.03% by weight-0.15% by weight sulphur (S), 0.05% by weight-0.30% by weight chromium (Cr), 0.05% by weight-0.30% by weight molybdenum (Mo), 0.05% by weight-0.20% by weight tin (Sn) and the usual impurities, and also described is a cylinder head which can be obtained therefrom.
    Type: Grant
    Filed: January 11, 2010
    Date of Patent: September 15, 2015
    Assignee: MAN TRUCK & BUS AG
    Inventors: Hans Müller, Ulf Schmidtgen, Falk Schönfeld
  • CAST IRON ALLOY FOR CYLINDER HEADS
    Publication number: 20110132314
    Abstract: A lamellar graphite cast iron alloy is described which, as additives, has 2.80% by weight-3.60% by weight carbon (C), 1.00% by weight-1.70% by weight silicon (Si), 0.10% by weight-1.20% by weight manganese (Mn), 0.03% by weight-0.15% by weight sulphur (S), 0.05% by weight-0.30% by weight chromium (Cr), 0.05% by weight-0.30% by weight molybdenum (Mo), 0.05% by weight-0.20% by weight tin (Sn) and the usual impurities, and also described is a cylinder head which can be obtained therefrom.
    Type: Application
    Filed: January 11, 2010
    Publication date: June 9, 2011
    Applicant: Man Nutzfahrzeuge AG
    Inventors: Hans Müller, Ulf Schmidtgen, Falk Schönfeld