Patents by Inventor Hugh Alexander Spikes

Hugh Alexander Spikes 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: 20200095516
    Abstract: Use of a nitrogen-containing ashless dispersant in a lubricating composition for the purpose of reducing wear in the presence of ZDTP and soot wherein the nitrogen-containing ashless dispersant has a Functionality (F) of greater than 1.4.
    Type: Application
    Filed: April 18, 2018
    Publication date: March 26, 2020
    Inventors: Mark Clift SOUTHBY, Neal Matthew MORGAN, Artemis KONTOU, Hugh Alexander SPIKES
  • Patent number: 7682081
    Abstract: A sliding bearing comprises two opposite bearing surfaces (3, 4) which enclose a gap (6) containing a lubricant film (5), the bearing surfaces (3, 4) being moveable with respect to each other in a generally parallel fashion, at least one of the surfaces (4) being provided with at least one cavity (10), the cavity having a depth (h3) which is at least equal to the lubricant film thickness. One of the length (Bp) and width (Lp) dimension of the surface area of the cavity (10) amounts to at least 100 ?m.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: March 23, 2010
    Assignee: AB SKF
    Inventors: Eustathios Ioannides, Hugh Alexander Spikes, Petra Brajdic-Mitidieri, Allen David Gosman
  • Patent number: 7387442
    Abstract: A bearing includes a contact region (2) filled with lubricant (8) between two otherwise rubbing surfaces (4, 6). One surface moves relative to a stationary other. The moving surface entrains the lubricant into the contact region to generate pressure within the lubricant enabling support of a load whilst the lubricant slips against the stationary surface.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: June 17, 2008
    Assignee: Imperial Innovations Limited
    Inventor: Hugh Alexander Spikes