Patents by Inventor David D. Cosby

David D. Cosby 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).

  • Method and system for determining plunger location in a plunger lift system
    Patent number: 7819189
    Abstract: A plunger has a transmitter that produces signals as the plunger moves in a well. The signals are pulses that are produced at a constant interval. The plunger signals are detected and used to determine the location, direction of travel and speed of the plunger in the well. In addition, the location or height of the liquid level is detected as is the arrival of the plunger at the well bottom.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: October 26, 2010
    Assignee: Harbison-Fischer, L.P.
    Inventor: David D. Cosby
  • Hook retainer for fishing reel
    Patent number: 6070822
    Abstract: A retainer for retaining a lure attached to a fishing line extending from a fishing reel. The retainer preferably comprises an eyelet provided on the fishing reel. The eyelet is preferably integrally formed on the exterior of the reel.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: June 6, 2000
    Assignee: Zebco Division of Brunswick Corporation
    Inventors: Kent L. Zwayer, Robert I. Scudder, David D. Cosby
  • Thumb operated casting actuator for fishing reel
    Patent number: 6000652
    Abstract: A casting actuator having a slip-resistant contacting surface which flexes to accommodate the user's thumb. The casting actuator preferably comprises: an actuating lever; a support structure; a living hinge pivotably connecting the actuating lever to the support structure; and a flexible cover extending from the support collar over at least a portion of the lever. The flexible cover provides a flexible, slip-resistant contacting surface on the lever. The inventive actuator is preferably formed by an inventive method comprising the steps of: (a) placing a first material in a mold to form a unitary, molded structure and (b) while the first material is present in mold, placing a second material in the mold to form the flexible cover. The unitary, molded structure formed from the first material comprises: the actuating lever; the support collar; and the resilient hinge. The inventive casting actuator preferably includes a convex engaging surface for operably contacting a main shaft of the fishing reel.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: December 14, 1999
    Assignee: Zebco Division of Brunswick Corporation
    Inventors: Kent L. Zwayer, David D. Cosby, Tommy Joe Cocanougher, David Schuelke, Joe Gleason, William R. Worrell, Jeffrey Kolodziej
  • Tackle box and method
    Patent number: 5515640
    Abstract: Apparatus for releasably attaching a tackle box (20) to a fishing pole (22) with the tackle box (20) being held in a desired position relative to the fishing pole (22). The tackle box (20) may include a container (34) a lid (63), and a handle (80). A channel (30) may be formed in one surface (32) of container (34) to releasably attach to the pole (22). The rotation of the tackle box (34) about the pole (22) may be prevented by a retainer (28). Methods of manufacturing and using a tackle box (20) are also presented.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: May 14, 1996
    Assignee: Brunswick Corporation
    Inventors: David D. Cosby, William Jarvi, Larry W. Henry, Robert L. Carpenter
  • Casting plug
    Patent number: D335168
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: April 27, 1993
    Assignee: Zebco Corporation
    Inventors: Tommy J. Cocanougher, Todd J. Cook, David D. Cosby
  • Rod mounted tackle box
    Patent number: D360015
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: July 4, 1995
    Assignee: Brunswick Corporation
    Inventors: David D. Cosby, Richard J. Robbins, Dallas Hodges