Patents by Inventor John H. Zabel, Jr.

John H. Zabel, Jr. 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).

  • Valve core for pneumatic tires
    Patent number: 4462449
    Abstract: A novel valve mechanism is disclosed which eliminates the need for a conventional cap normally associated with prior art valve and valve stem assemblies for pneumatic tires. The valve stem embodies a core with an elastomeric member to prevent ingress and egress of a fluid through the valve stem. The elastomeric member can be a normally collapsed flexible tube or a resealable septa.
    Type: Grant
    Filed: February 2, 1982
    Date of Patent: July 31, 1984
    Inventor: John H. Zabel, Jr.