Patents by Inventor John D. Hastings

John D. Hastings 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).

  • Cyclic speed motor control circuit
    Patent number: 4634944
    Abstract: A motor control circuit comprising a switching circuit which controls the supply of power from a source thereof to a motor responsive to a control signal, and a speed control circuit which generates the control signal. The speed control circuit can vary the motor speed cyclically, operating as an stable multi-vibrator. An overload protection circuit detects the occurrence of a current overload condition and either reduces to a low level the power delivered to the motor or inhibits the switching circuit's operation altogether.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: January 6, 1987
    Assignee: Johnson Fishing Inc.
    Inventors: John D. Hastings, Dennis K. Siemer
  • Fishing lure composition
    Patent number: 4589223
    Abstract: An organoleptic fish attractant composition is disclosed, together with a lure and a lure kit embodying the composition, which comprises, based on the total weight of the composition, from about 10% to about 50% by weight of an effective styrene-butadiene copolymer, from about 40% to about 80% by weight fish oil having fish-attracting properties, especially cod liver oil, and an amount of an effective agricultural oil, especially a soybean oil or a palm oil, equal to at least 10% of the amount of fish oil.
    Type: Grant
    Filed: July 25, 1984
    Date of Patent: May 20, 1986
    Assignee: Johnson Fishing, Inc.
    Inventor: John D. Hastings
  • Mountable wheel for toy vehicle
    Patent number: 4299051
    Abstract: Disclosed is a demountable wheel suitable for use on toy vehicles. The demountable wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wheel has a second member including a tire which is demountably supported on the first member.
    Type: Grant
    Filed: September 9, 1977
    Date of Patent: November 10, 1981
    Assignee: Tonka Corporation
    Inventors: Ronald R. Pauly, Thomas W. Good, John D. Hastings
  • Mountable wheel for toy vehicle
    Patent number: 4193639
    Abstract: A wheel suitable for use on toy vehicles. The wheel has a tire which is mountable and demountable with respect to such toy vehicle. The wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wheel has a second member including a tire which is demountably supported on the first member. The first member has a locking mechanism which cooperates with a portion of the second member to prevent unintended rotation of the first member with respect to the second member.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: March 18, 1980
    Assignee: Tonka Corporation
    Inventors: Ronald R. Pauly, Thomas W. Good, John D. Hastings, Kevin D. Ryan