Patents by Inventor William R. Howell

William R. Howell 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: 6179331
    Abstract: An engine model for use on a children's ride-on vehicle. The engine model includes a pivotal portion configured to pivot about a pivot axis, a vibration source connected to the pivotal portion to thereby vibrate the pivotal portion at an amplitude, and an adjustment mechanism for selectively controlling the amplitude. A dampening structure may be provided to dampen the vibration of the pivotal portion.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: January 30, 2001
    Assignee: Mattel, Inc.
    Inventors: John L. Jones, Jr., William R. Howell
  • Patent number: 6161847
    Abstract: A child's ride-on toy has a rear mounted parent assist handle and is convertible to a child's rocker toy by rotating the handle about a rear axle to a position beneath the ride-on toy to serve as rocker rails. The handle can also be removed. The combination rocker and tricycle may thus be used either as a child's riding vehicle (with or without a parent-assist handle) or as a stationary rocker toy. As a child's tricycle, the handle is locked in an upright position extending rearwardly from the rear axle of the tricycle and positioned at a height convenient for a parent to control the motion of the tricycle. When the parent assist handle is no longer required it can be removed. To convert to a child's rocker the handle is rotated about the rear axle and positioned beneath the tricycle so that the handle portions support the tricycle.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: December 19, 2000
    Assignee: Mattel, Inc.
    Inventors: William R. Howell, Kurt J. Huntsberger
  • Patent number: 6105982
    Abstract: A children's ride-on vehicle is provided with a chassis having a seat configured to accommodate a driver. The chassis includes a generally vertical, cylindrical channel extending therethrough. A handlebar is disposed in front of the seat and is operable by the driver to steer the vehicle. A steering column, connected to the handlebar, is pivotal in the channel about a first vertical axis. A motor and gear train housing is coupled to the steering column for rotation with the steering column about the first vertical axis and the housing supports a battery, an electric motor powered by the battery, and a gear train operatively coupled to the motor. A front axle is captured in the housing nominally transverse the vehicle and two front wheels are rotatably held on the front axle and coupled to the gear train for driving the vehicle. A keyway in the channel and a mating structure on the steering column limit the pivoting of the steering column to about 7.degree. from the nominal position in each direction.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: August 22, 2000
    Assignee: Mattel, Inc.
    Inventors: William R. Howell, Kurt J. Huntsberger
  • Patent number: 6042148
    Abstract: A ride-on vehicle for children having a chassis, a plurality of wheels attached to the chassis, and a steering mechanism, the vehicle including a molded plastic footrest having a body portion and an end portion, the footrest being laterally slidable between a retracted position wherein the body portion is situated substantially within the chassis, and an extended position wherein at least part of the body portion is laterally disposed with respect to the chassis. In the extended position the end portion is a greater lateral distance from the chassis than when the end portion is in the retracted position. The vehicle also has a detent mechanism arranged to releasably hold the footrest in the retracted position and the extended position. The chassis can include a channel in which the footrest is laterally slidable.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: March 28, 2000
    Assignee: Mattel, Inc.
    Inventor: William R. Howell
  • Patent number: 5865501
    Abstract: The present invention includes a table and a plurality of seats that can be coupled together in multiple use configurations and can be easily collapsed into a compact storage unit when not in use. The table includes a table top and a plurality of table legs depending therefrom. In a first use configuration, the table is positioned over the seats with each table leg aligned to engage the seat. Retaining pins extend through apertures formed in the seats and apertures formed in the legs so as to retain the table in position. The retaining pin can be inserted into a second aperture in the leg to retain the table in an extended use configuration. When the pin is withdrawn, the table can be completely removed from the seats for the storage configuration. In the storage configuration, the seats are positioned on the bottom surface of the table top, and the seat legs are aligned to engage recesses formed in the bottom surface of the table top that provide a friction fit.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: February 2, 1999
    Assignee: Fisher-Price, Inc.
    Inventors: Alison Eisenberg, William R. Howell
  • Patent number: 4833743
    Abstract: A safety side rail for a bed is disclosed comprising a side panel supported by a pair of spaced-apart foot members, each adapted to be inserted under a side edge of the bed mattress. The side panel is supported by one end of the foot members, and is movable relative to the foot members via a coupling between a safe-closed position, in which the side panel is fixedly held in a position above the mattress for blocking or preventing a child from falling off the mattress, and an open position, in which the side panel is positioned below the top of the mattress allowing access to the child.
    Type: Grant
    Filed: August 15, 1988
    Date of Patent: May 30, 1989
    Assignee: The Quaker Oats Company
    Inventors: William R. Howell, Eric T. Shuler
  • Patent number: 4632912
    Abstract: Ziegler-Natta catalysts which are polymer supported compounds or complexes of elements of the d-block transition metals, lanthanide or actinide series are disclosed. An example of the polymer support is chloromethylated polystyrene-divinyl benzene copolymer covalently bonded to catechol. An example of the compound or complex of an element of the transition metal, lanthanide or actinide series is that which results when catechol which is covalently bonded to the polymer is contacted with titanium tetraisopropoxide. These catalysts are useful in preparing polymers with reduced halide content which reduces corrosion in polymer processing equipment.
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: December 30, 1986
    Assignee: The Dow Chemical Company
    Inventors: Stephen A. Bedell, William R. Howell, Jr., William M. Coleman, III
  • Patent number: 4623707
    Abstract: .alpha.-Olefins are polymerized in the presence of Ziegler-Natta catalysts which are polymer supported compounds or complexes of elements of the d-block transition metals, lanthanide or actinide series. An example of the polymer support is chloromethylated polystyrene-divinyl benzene copolymer covalently bonded to catechol. An example of the compound or complex of an element of the transition metal, lanthanide or actinide series is that which results when catechol which is covalently bonded to the polymer is contacted with titanium tetraisopropoxide.
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: November 18, 1986
    Assignee: The Dow Chemical Company
    Inventors: Stephen A. Bedell, William M. Coleman, III, William R. Howell, Jr.
  • Patent number: D426861
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: June 20, 2000
    Assignee: Mattel, Inc.
    Inventors: John L. Jones, Jr., William R. Howell