Patents by Inventor Ryszard MOLENDA

Ryszard MOLENDA 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).

  • MULTI-PHASE STEEL ESPECIALLY FOR PRODUCTION OF STANDARD-GAUGE RAILS
    Publication number: 20190226062
    Abstract: Object of the invention is multi-phase steel, used for production of standard-gauge rails, characterized by the fact that the content of basic elements in the steel is no less than: C—0.15% wt, Si—0.60% wt, Mn—1.20% wt, Cr—1.20% wt, Ni—0.20% wt, Mo—0.10% wt, and additionally contains: Ti—0.01-0.25% wt, satisfying the relationship (% wt Mo)/(% mas. Ti)>1; Al—0.01-0.80% wt; B—0.001-0.003% wt., H2?2 ppm, N?80 ppm, volume of individual constituents is in relation to the total weigh of multiphase steel.
    Type: Application
    Filed: December 23, 2016
    Publication date: July 25, 2019
    Inventors: Tomasz ZYGMUNT, Janusz KASPROWICZ, Tomasz DZIERZAWCZYK, Stanislaw WOJCIK, Roman KUZIAK, Wladyslaw ZALECKI, Ryszard MOLENDA, Krzysztof RADWANSKI, Andrzej WROZYNA