Patents by Inventor Helmut Lieb

Helmut Lieb 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).

  • Ultra-high performance concrete and concrete component produced therefrom
    Patent number: 9840439
    Abstract: Ultra-high performance concrete produced from cement, aggregate, water, fillers, and additives, wherein the aggregate comprises 800-1,300 kg of an igneous rock in the form of crushed stone per cubic meter of concrete.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: December 12, 2017
    Assignee: EUROPOLES GMBH & CO. KG
    Inventors: Roland Kastner, Helmut Lieb, Frank Dittmar, Jianxin Ma
  • ULTRA-HIGH PERFORMANCE CONCRETE AND CONCRETE COMPONENT PRODUCED THEREFROM
    Publication number: 20150047533
    Abstract: Ultra-high performance concrete produced from cement, aggregate, water, fillers, and additives, wherein the aggregate comprises 800-1,300 kg of an igneous rock in the form of crushed stone per cubic meter of concrete.
    Type: Application
    Filed: August 15, 2014
    Publication date: February 19, 2015
    Inventors: Roland KASTNER, Helmut LIEB, Frank DITTMAR, Jianxin MA
  • Fiber glass-reinforced plastic mast
    Patent number: 5894703
    Abstract: A fiber glass-reinforced plastic mast in the form of several fiber glass-reinforced pipes, which are at a distance from one another and braced relative to one another, the pipes preferably three pipes fixing an equilateral prism, are connected to one another by horizontal laminated panels disposed at different heights.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: April 20, 1999
    Assignee: Pfleiderer Verkehrstechnik GmbH & Co. KG
    Inventors: Helmut Lieb, Markus Roedle, Georg Simson