Patents by Inventor Lee Perkins

Lee Perkins 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).

  • Shaft seal with grease retainer
    Publication number: 20060038036
    Abstract: A seal arrangement for a rotatable shaft that is secured at one end thereof in a housing, and that mounts a water distribution plate on an opposite end thereof, the shaft seal comprising a flexible annular member having a radially inner portion including at least one tapered lip extending in one direction along the shaft and adapted to engage the shaft, and a radially outer portion seated on a support in the housing; and at least one retainer overlying the seal and holding the seal in position on the support, the at least one retainer having a radially inner portion that substantially encloses the at least one tapered lip.
    Type: Application
    Filed: October 25, 2005
    Publication date: February 23, 2006
    Applicant: Nelson Irrigation Corporation
    Inventor: Lee Perkins
  • Shaft seal with grease retainer
    Publication number: 20050035211
    Abstract: A seal arrangement for a rotatable shaft that is secured at one end thereof in a housing, and that mounts a water distribution plate on an opposite end thereof, the shaft seal comprising a flexible annular member having a radially inner portion including at least one tapered lip extending in one direction along the shaft and adapted to engage the shaft, and a radially outer portion seated on a support in the housing; and at least one retainer overlying the seal and holding the seal in position on the support, the at least one retainer having a radially inner portion that substantially encloses the at least one tapered lip.
    Type: Application
    Filed: August 14, 2003
    Publication date: February 17, 2005
    Applicant: Nelson Irrigation Corporation
    Inventor: Lee Perkins