Patents by Inventor Edaoin Ledwidge

Edaoin Ledwidge 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).

  • SEALANT MATERIAL
    Publication number: 20170306202
    Abstract: A sealant material for sealing threaded pipe joints that is a multifilament or spun polyphenylene sulfide yarn and a joint sealing composition comprising a silicone oil or a natural oil with a smoke point of about 230° C. or higher. The polyphenylene sulfide yarn is coated with the joint sealant composition. The material forms an effective seal and is resistant even when used in systems in which it is exposed to temperatures in excess of 280° C. The material may be provided in a dispenser.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Inventors: Anna Prell, Edaoin Ledwidge