Patents by Inventor David Parr

David Parr 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: 20210024421
    Abstract: The present invention concerns the field of refining metal melts or slags and provides in particular a reactive material based on calcium aluminate and carbon, its process of preparation and various methods for refining metal melts using the same.
    Type: Application
    Filed: August 6, 2020
    Publication date: January 28, 2021
    Inventors: Christos ANEZIRIS, Daniel Veres, Patrick Gehre, Christopher David Parr
  • Publication number: 20190071356
    Abstract: In the field of refining metal melts or slags there is disclosed in particular a reactive material based on calcium aluminate and carbon, its process of preparation and various methods for refining metal melts using the same.
    Type: Application
    Filed: March 16, 2017
    Publication date: March 7, 2019
    Inventors: Christos ANEZIRIS, Daniel VERES, Patrick GEHRE, Christopher David PARR
  • Publication number: 20090106393
    Abstract: There is described a method of distributing rights-managed media data items to users, wherein each media data item has associated rights information, including a time-limited availability attribute. The method comprises, for each media data item: in a seeding phase; storing the media data item; receiving requests for the media data item from a plurality of users; determining the availability of the requested media data item based on the associated rights information; transmitting the requested media data item to the plurality of users: and storing information identifying the media data item, the associated rights information for the media data item and a list of users who have received the media data item.
    Type: Application
    Filed: March 15, 2005
    Publication date: April 23, 2009
    Applicant: Siemens Business Services Ltd.
    Inventors: Ian David Parr, Robert James Garfoot, Neil Walker
  • Patent number: 4941670
    Abstract: A lightweight, easily stored, portable, strong, ride-on-device (1) for transportation and stunt riding. The device is usable on a supporting surface and includes a V-shaped frame (2) on which is mounted an upper and lower body stabilization and support. At least two wheels (6a, 6b, 7a, 7b) are rotatably attached to each of two wheel mountings such that in use, the device may be propelled by potential and/or kinetic energy. The direction of travel of the device is governed by the non-perpendicular positioning of the frame relative to the supporting surface. The device further includes a braking device (8).
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: July 17, 1990
    Inventor: David A. Parr
  • Patent number: 4297565
    Abstract: An electrical connector assembly including an elongate resilient synthetic resin channel member for attachment to a vehicle window, the channel member having therein a longitudinally extending channel of re-entrant cross-section. An elongate electrically conductive part is arranged to be received as a snap fit in said channel, whereby one or more conductive heating elements can be trapped between said part and the wall of said channel in electrical connection with said part. The channel member has a surface which supports said part within the channel in a position spaced from the base of the channel in a direction towards the open face of the channel.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: October 27, 1981
    Assignee: David Parr & Associates Limited
    Inventor: David Parr
  • Patent number: 4251712
    Abstract: A packaging arrangement for an electrical heater unit adapted for adhesive attachment to a surface, for example, to a window of a motor vehicle. The heater unit includes a plurality of heater strips which have an adhesive coating on one face thereof whereby the strips may be secured to the window. The strips are supported in a desired pattern for application to the window by being adhesively mounted on one surface of a backing sheet. The adhesive coated surfaces of the strips are remote from the backing sheet and a removable cover sheet overlies the heater strips. A clearance is provided between the cover sheet and the adhesive coating on the heater strips so that the cover sheet is not contacted by the adhesive coating on the heater strips.
    Type: Grant
    Filed: February 7, 1978
    Date of Patent: February 17, 1981
    Assignee: David Parr & Associates Ltd.
    Inventor: David Parr