Patents by Inventor Charles Hughes

Charles Hughes 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).

  • Publication number: 20020131752
    Abstract: An optical fiber clamp that precisely aligns and clamps multiple optical fibers in multi-channel freespace optical systems, eliminates multiple parts and simplifies assembly. Multiple wafers each having an array of holes passing therethrough, are aligned with respect to each other. Optical fibers are passed through the holes, and at least one of the wafers is moved laterally with respect to the other wafers, so that sidewalls of the holes clamp the optical fibers into a desired location.
    Type: Application
    Filed: August 14, 2001
    Publication date: September 19, 2002
    Inventors: Robert A. Boudreau, Chris P. Brophy, Lawrence Charles Hughes, Mark F. Krol, Deepukumar M. Nair, Songsheng Tan, Aniruddha S. Weling
  • Publication number: 20020103538
    Abstract: The present invention relates to porous polymers incorporating dihydroperfluoroalkyl acrylates and methacrylates and the like and their production. The invention also relates to the use of polymers derived from dihydroperfluoroalkyl acrylates and methacrylates and like compounds, in both porous and non-porous forms, as substrates for the attachment and growth of mammalian cells and tissue. The invention also relates to the use of polymers derived from dihydroperfluoroalkyl acrylates and methacrylates as components of medical devices and prostheses, including implanted devices.
    Type: Application
    Filed: August 14, 2001
    Publication date: August 1, 2002
    Inventors: Timothy Charles Hughes, Gordon Francis Meijs, Hassan Chaouk, John Gerard Steele, Graham Johnson
  • Patent number: 6225367
    Abstract: The present invention relates to polymers comprising one or more perfluoroalkylpolyether units and one or more different charged units, to a process for producing such polymers in non-porous or particularly in porous form and to mouldings composed thereof. The novel polymers have an improved wettability and cell growth ability and are thus useful, for example, for the manufacture of biomedical devices, in particular opthalmic devices.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: May 1, 2001
    Assignee: Novartis AG
    Inventors: Hassan Chaouk, Timothy Charles Hughes, John Stuart Wilkie, Gordon Francis Meijs
  • Patent number: 6068325
    Abstract: A weather resistant golf club cover configured to enclose the rear golf club compartment of a conventional golf cart is disclosed. The cover is fabricated from a water repellent material such as nylon and includes a rectangular back panel, a pair of generally rectangular side panels being fixedly attached along the lateral edges of the back panel and disposed in perpendicular relation thereto, and a rectangular top panel being disposed intermediate the top edge portions of the side panels and adjacent the top edge of the back panel and disposed at an inclined angle in relation to the back panel. The adjoining peripheral edges of the component panels are secured by sewing or other suitable means to form the completed cover. The weather resistant cover is provided with quick-connect/disconnect fasteners which are attached to the rear roof supporting posts of the golf cart without requiring modification of the same.
    Type: Grant
    Filed: September 18, 1996
    Date of Patent: May 30, 2000
    Inventor: Charles A. Hughes
  • Patent number: 6051187
    Abstract: A reusable test pack suitable for monitoring a steam sterilization process which includes an outer sealable pouch which is permeable to steam. A removable insert is contained within said pouch, and contains a chamber for holding a sterilization indicator device. A sterilization indicator device is contained within the chamber and a data card is contained within the pouch, and positioned to cover the indicator device.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: April 18, 2000
    Inventor: Charles A. Hughes
  • Patent number: 5830424
    Abstract: A method of extracting a mineral or mineral species comprising contacting the mineral or mineral species with a leachate solution which contains metal or metalloid ions capable of forming soluble fluoro-complexes of high bond strength with fluorine in the mineral or mineral species.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: November 3, 1998
    Assignee: The Broken Hill Proprietary Company Limited
    Inventors: Kimitaka Jomoto, Terence Charles Hughes
  • Patent number: 5126928
    Abstract: The present invention relates to a mobile boom-mounted shop light, particularly adapted to use in connection with the maintenance and repair of all types of motor vehicles. The present invention provides for four separate degrees of freedom in positioning the light fixture by employing an articulated boom arrangement. The present invention comprises a mobile base, a vertical stand and a boom assembly comprising an arm, a light fixture and a counter weight. The boom assembly allows the light fixture to be rotated transversely about the upright longitudinal axis of the stand, to be rotated vertically, to be rotated about the axis of the boom assembly and to be pivoted from its position on the end of the boom assembly. The position of the light and boom assembly are fixed by a brake and friction plate mechanism.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: June 30, 1992
    Inventor: Charles Hughes