Patents by Inventor Lothar See

Lothar See 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).

  • Process for Manufacturing Cold-Formed Precision Steel Pipes
    Publication number: 20080302452
    Abstract: The invention relates to a process for manufacturing cold-formed, in particular cold-drawn, precision steel pipes for application in particular as pressure-operated cylinder pipes with optimum addition of one or several alloying elements as well as impurities caused by melting. A seamless, hot-formed pipe blank or welded pipe blank made from a hot strip with defined starting condition is hereby drawn in one pass or in several passes into a finished pipe, and the pipe undergoes a heat treatment before the finishing pass.
    Type: Application
    Filed: August 18, 2006
    Publication date: December 11, 2008
    Applicant: MHP MANNESMANN PRAZISROHR GMBH
    Inventors: Josef Siekmeyer, Wolfgang Mussmann, Lothar See, Sven Herzing