Patents by Inventor Carl Anthony Lawrence

Carl Anthony Lawrence 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).

  • Carbon fibre yarn and method for the production thereof
    Patent number: 9404202
    Abstract: The invention provides a spun yarn comprising recycled carbon fiber, and a method for the production thereof. The recycled carbon fiber comprises discontinuous carbon fiber and, optionally, continuous carbon fiber, and may be recycled from various sources, such as end-of-life waste and manufacturing waste. The yarn which is produced shows the required degree of strength and durability, and can be used in all conventional composite manufacturing operations where virgin yarn is currently employed, such as woven fabric manufacture, unidirectional fabric manufacture, filament winding, pultrusion and the like.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: August 2, 2016
    Assignee: University of Leeds
    Inventors: Carl Anthony Lawrence, Simon Brian Havis, Mahmudul Akonda
  • PROCESS
    Publication number: 20150101756
    Abstract: The present invention relates to a process and assembly for preparing a dry thermoplastic prepreg comprising reinforcing fiber spread tow (2) and airborne or melt-borne discrete thermoplastic fibers (4).
    Type: Application
    Filed: May 17, 2013
    Publication date: April 16, 2015
    Applicant: UNIVERSITY OF LEEDS
    Inventors: Carl Anthony Lawrence, Hassan Mohamed El-Dessouky