Patents by Inventor Steve Ludwig

Steve Ludwig 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).

  • TIRE COMPRISING A TREAD
    Publication number: 20240326514
    Abstract: The present invention is directed to a tire having a tread, wherein the tread comprises a rubber composition comprising from 80 phr to 100 phr of one or more solution-polymerized styrene butadiene rubbers; from 80 phr to 200 phr of filler comprising at least 40 phr of carbon black; from 10 phr to 100 phr of one or more liquid diene-based polymers; and from 10 phr to 80 phr of a terpene resin.
    Type: Application
    Filed: March 30, 2023
    Publication date: October 3, 2024
    Inventors: Steve Ludwig, Anna Katharina Bier, Kimia Ekramzadeh, Gary Terence Barrett, Bjoern Springer, Christian Jean-Marie Kaes
  • Rubber composition and a tire comprising a rubber composition
    Patent number: 11987705
    Abstract: A rubber composition comprising 50 phr to 100 phr of a styrene butadiene rubber; 0 phr to 50 phr of at least one diene based rubber; 95 phr to 200 phr of filler comprising i) 50 phr to 100 phr of silica, ii) 40 phr to 70 phr of carbon black and iii) 5 phr to 30 phr of an inorganic metal hydroxide; 40 phr to 80 phr of plasticizer comprising a hydrocarbon resin having a softening point within a range of 80° C. and 130° C.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: May 21, 2024
    Assignee: THE GOODYEAR TIRE & RUBBER COMPANY
    Inventors: Michael Hans, Gary Terence Barrett, Steve Ludwig, Christian Jean-Marie Kaes, Anna Katharina Bier, Björn Springer
  • RUBBER COMPOSITION AND A TIRE COMPRISING A RUBBER COMPOSITION
    Publication number: 20230383100
    Abstract: A rubber composition comprising 50 phr to 100 phr of a styrene butadiene rubber; 0 phr to 50 phr of at least one diene based rubber; 95 phr to 200 phr of filler comprising i) 50 phr to 100 phr of silica, ii) 40 phr to 70 phr of carbon black and iii) 5 phr to 30 phr of an inorganic metal hydroxide; 40 phr to 80 phr of plasticizer comprising a hydrocarbon resin having a softening point within a range of 80° C. and 130° C.
    Type: Application
    Filed: May 26, 2022
    Publication date: November 30, 2023
    Inventors: Michael Hans, Gary Terence Barrett, Steve Ludwig, Christian Jean-Marie Kaes, Anna Katharina Bier, Björn Springer