Patents by Inventor Stephen G Oliver

Stephen G Oliver 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).

  • Patent number: 6766831
    Abstract: An eductor (1) for mixing liquids, e.g. a concentrated solution into water, has a flow passage (16) for a first liquid into which a dispensing passage (18) for a second liquid opens so that in use the second liquid is drawn into the flow of the first liquid. The dispensing passage (18) including a flow restrictor portion provided by a groove (22) extending on the periphery of a restrictor plug (19) removably received in a socket (21) of the eductor body. The groove (22) and the wall of the socket (21) define the flow rate in the dispensing passage. The plug (19) has a plurality of the grooves (22) and is selectively insertable into the socket in a plurality of positions, the grooves providing respectively different flow rates of the second liquid.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: July 27, 2004
    Assignee: JohnsonDiversey, Inc.
    Inventor: Stephen G Oliver
  • Publication number: 20020166593
    Abstract: An eductor (1) for mixing liquids, e.g. a concentrated solution into water, has a flow passage (16) for a first liquid into which a dispensing passage (18) for a second liquid opens so that in use the second liquid is drawn into the flow of the first liquid. The dispensing passage (18) including a flow restrictor portion provided by a groove (22) extending on the periphery of a restrictor plug (19) removably received in a socket (21) of the eductor body. The groove (22) and the wall of the socket (21) define the flow rate in the dispensing passage. The plug (19) has a plurality of the grooves (22) and is selectively insertable into the socket in a plurality of positions, the grooves providing respectively different flow rates of the second liquid.
    Type: Application
    Filed: May 8, 2002
    Publication date: November 14, 2002
    Applicant: Diversey Lever, Inc.
    Inventor: Stephen G. Oliver
  • Patent number: 4907404
    Abstract: A cutting arrangement for grass is releaseably mountable or attachable to a vehicle. For cutting the grass, a rotatable wheel is used. The wheel extends outwardly from one side of the housing and has a cutting disc. The position of the wheel is adjustable.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: March 13, 1990
    Inventors: George R. Oliver, Stephen G. Oliver