Patents by Inventor Mary Lynn Williams

Mary Lynn Williams 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: 7066406
    Abstract: A paint sprayer for spraying a fluid comprises a housing that houses a motor, a pump, and a fluid passage. A handle is coupled to the housing and a paint cup is coupled to the handle for storage of a fluid. The handle is positioned between the housing and the paint cup. The paint sprayer has a center of gravity region. A longitudinal axis of the handle and a longitudinal axis of the paint cup are aligned with the center of gravity region of the paint sprayer. A gripping zone of the paint sprayer is also aligned with the center of gravity region.
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: June 27, 2006
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan
  • Publication number: 20040007632
    Abstract: A paint sprayer for spraying a fluid comprises a housing that houses a motor, a pump, and a fluid passage. A handle is coupled to the housing and a paint cup is coupled to the handle for storage of a fluid. The handle is positioned between the housing and the paint cup. The paint sprayer has a center of gravity region. A longitudinal axis of the handle and a longitudinal axis of the paint cup are aligned with the center of gravity region of the paint sprayer. A gripping zone of the paint sprayer is also aligned with the center of gravity region.
    Type: Application
    Filed: July 10, 2002
    Publication date: January 15, 2004
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan
  • Publication number: 20040007631
    Abstract: A paint sprayer for sprayer a fluid includes a pump housing, an electrical housing having a motor and a switch, a handle coupled to the pump housing, a paint cup coupled to the handle, and a mechanical actuator coupled to the pump housing for operating the motor. The actuator has a first portion positioned in the vicinity of the exterior of the pump housing and a second portion that extends into the pump housing. The second portion is configured to engage the switch in the electrical housing to operate the motor. The handle is an elongated member having a top end and a bottom end, with a generally rectangular cross-section at the top end and a generally circular cross-section at the bottom end.
    Type: Application
    Filed: July 10, 2002
    Publication date: January 15, 2004
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan, William H. Valls
  • Patent number: 6669114
    Abstract: A paint sprayer for sprayer a fluid includes a pump housing, an electrical housing having a motor and a switch, a handle coupled to the pump housing, a paint cup coupled to the handle, and a mechanical actuator coupled to the pump housing for operating the motor. The actuator has a first portion positioned in the vicinity of the exterior of the pump housing and a second portion that extends into the pump housing. The second portion is configured to engage the switch in the electrical housing to operate the motor. The handle is an elongated member having a top end and a bottom end, with a generally rectangular cross-section at the top end and a generally circular cross-section at the bottom end.
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: December 30, 2003
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan, William H. Valls
  • Patent number: 6626380
    Abstract: A paint sprayer for spraying a fluid includes a pump housing, an electrical housing having a motor and a switch, a handle coupled to the pump housing, a paint cup coupled to the handle, and a mechanical actuator coupled to the pump housing for operating the motor. The actuator has a first portion positioned in the vicinity of the exterior of the pump housing and a second portion that extends into the pump housing. The second portion is configured to engage the switch in the electrical housing to operate the motor. Another embodiment of the invention comprises a mechanical actuator configured to allow fluid isolation of the pump housing from the electrical housing.
    Type: Grant
    Filed: February 4, 2003
    Date of Patent: September 30, 2003
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan, William H. Valls
  • Patent number: D477384
    Type: Grant
    Filed: July 10, 2002
    Date of Patent: July 15, 2003
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan, William H. Valls
  • Patent number: D478964
    Type: Grant
    Filed: February 14, 2003
    Date of Patent: August 26, 2003
    Assignee: Campbell Hausfeld/Scott Fetzer Company
    Inventors: Mary Lynn Williams, Robert Kyle Whitaker, Kinshun Yan, William H. Valls