Patents by Inventor Alan J. Griffiths

Alan J. Griffiths 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).

  • Gearbox with synchronizing clutch
    Patent number: 7942074
    Abstract: A gearbox having at least two gears is disclosed. The gearbox includes a shift selector, a first gearshaft, a second gearshaft selectively engagable with the first gearshaft via the at least two gears, and a first clutch mechanism located on the second gearshaft. The first clutch mechanism is configured to selectively engage the second gearshaft with the first gearshaft. The first clutch mechanism includes a clutch plate attached to first gear on the second gearshaft, and a pressure plate attached to the second gearshaft. The clutch plate and pressure plate are configured to selectively engage one another so that the second gearshaft engages the first gearshaft.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: May 17, 2011
    Assignee: Turner Powertrain Sytems Limited
    Inventors: Jeffrey F. Birkel, Alan J. Griffiths
  • Gearbox with synchronizing clutch
    Publication number: 20080098836
    Abstract: A gearbox having at least two gears is disclosed. The gearbox includes a shift selector, a first gearshaft, a second gearshaft selectively engagable with the first gearshaft via the at least two gears, and a first clutch mechanism located on the second gearshaft. The first clutch mechanism is configured to selectively engage the second gearshaft with the first gearshaft. The first clutch mechanism includes a clutch plate attached to first gear on the second gearshaft, and a pressure plate attached to the second gearshaft. The clutch plate and pressure plate are configured to selectively engage one another so that the second gearshaft engages the first gearshaft.
    Type: Application
    Filed: October 23, 2007
    Publication date: May 1, 2008
    Inventors: Jeffrey F. Birkel, Alan J. Griffiths
  • Horizontal transmission and oil system for telehandlers
    Patent number: 6904994
    Abstract: A power train arrangement having a prime mover and a transmission coupled to the prime mover for driving a cooling system with the prime mover through the transmission. The transmission is positioned intermediate to the prime mover and the cooling system in a manner to optimize the mechanical and functional operation of the work machine.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: June 14, 2005
    Assignee: Caterpillar Inc
    Inventors: Alan R. Coutant, Steven A. Daniel, Alan J. Griffiths, Liam W. Keane
  • Horizontal transmission and oil system for telehandlers
    Publication number: 20030094325
    Abstract: A power train arrangement having a prime mover and a transmission coupled to the prime mover for driving a cooling system with the prime mover through the transmission. The transmission is positioned intermediate to the prime mover and the cooling system in a manner to optimize the mechanical and functional operation of the work machine.
    Type: Application
    Filed: March 19, 2002
    Publication date: May 22, 2003
    Inventors: Alan R. Coutant, Steven A. Daniel, Alan J. Griffiths, Liam W. Keane
  • Methods for treating disease conditions
    Patent number: 4192860
    Abstract: There is described a method for the prophylactic or curative treatment of a disease condition having an allergic basis in cats, dogs or horses or a condition of the respiratory tract having an allergic basis in cattle which comprises administering an active ingredient having sodium cromoglycate like activity to an animal suffering, or liable to suffer, from such a condition.There are also described compositions and mixtures for use in the treatment of the animals.
    Type: Grant
    Filed: April 27, 1978
    Date of Patent: March 11, 1980
    Assignee: Fisons Limited
    Inventor: Alan J. Griffiths