Patents Represented by Attorney John H. Widdowson

Find this attorney in the Justia Lawyer Directory

  • Method of manufacturing a foamed core thermoplastic sheet
    Patent number: 4221624
    Abstract: A method of manufacturing thermoplastic sheet products. The product produced from the method consisting of at least three layers with the inner layer being a foamed core. The product having significant cost and weight reduction and improved performance properties over solid sheet products currently being produced by standard industry practices.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: September 9, 1980
    Inventors: Haynes L. Eslinger, James A. Payne
  • Spring-biased exercise apparatus
    Patent number: 4214748
    Abstract: The exercise apparatus has a base. A generally U-shaped upright member has the base thereof pivotally connected to the base of the exerciser. An essentially U-shaped bolt is attached at the outer end portions of its arms to the U-shaped upright member. A spring or springs acting in tension is attached to the bolt and to the base of the exerciser.
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: July 29, 1980
    Assignee: Blackmon Enterprises, Inc.
    Inventor: Charles V. Blackmon
  • Response evaluation module for teaching driver training
    Patent number: 4214381
    Abstract: A response evaluation module for teaching driver training. The module teaching and evaluating student response during various simulated driving conditions. The module designed to help the driver develop good defensive driving habits.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: July 29, 1980
    Assignee: Rescorp
    Inventors: George H. Clark, Mary A. Clark
  • Device to improve shooting a basketball
    Patent number: 4213606
    Abstract: A basketball training device having a support hoop of essentially the same diameter of the conventional hoop to circumferentially mate with same; a secondary hoop of larger diameter relative to the conventional hoop; arms for attaching the support hoop to the secondary hoop; and clamps for removably connecting the support hoop to the conventional hoop. A method for improving the shooting accuracy of a basketball player comprising positioning the secondary hoop with the portion nearest the backboard tangential and coplanar with the conventional hoop, and with the portion opposite the backboard projecting upwardly and outwardly from the conventional hoop.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: July 22, 1980
    Inventor: Robert E. Wilson
  • Overhead door cable safety device
    Patent number: 4213019
    Abstract: An overhead door cable safety device for suspending adjacent a cable drum on an overhead door assembly and monitoring the condition and location of the cable on the drum. The cable when becoming loose on the cable drum or frayed contacting the cable safety device, which in turn closes an electrical switch for signalling the operator of the overhead door that the cable on the cable drum is in need of repair.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: July 15, 1980
    Assignee: J. R. Weaver, Inc.
    Inventor: Robert L. Houp
  • Anti-backflow device for sillcocks
    Patent number: 4212319
    Abstract: An anti-backflow device for preventing fluids from flowing back into a water supply system. The device adapted for attaching to a connecting rod inside a sillcock tube of a standard antifreeze sillcock. The device held in an open position for allowing water to flow through the sillcock under normal operating conditions. The device automatically stopping the backflow of water in the sillcock should there be a loss of water pressure to the sillcock and preventing fluids such as insecticides, chemicals, or the like mixed with water from polluting the water system.
    Type: Grant
    Filed: March 15, 1978
    Date of Patent: July 15, 1980
    Inventor: James B. Krablin
  • Solar panel
    Patent number: 4211213
    Abstract: A solar panel having at least two corrugated heat retention surfaces, each including a pair of opposite sides and opposing ends. One of the retention surfaces has a surface defining a plurality of dimples. The retention surfaces are mated with each other and remain separated by the dimples. One end of the mated heat retention surfaces includes an orifice means to control the flow of water between the mated surfaces and the other end has an outlet for solar heated water.
    Type: Grant
    Filed: September 21, 1978
    Date of Patent: July 8, 1980
    Inventors: Roland N. Nissen, Lyle H. Soldan
  • Knife sled cultivator with weeder bar
    Patent number: 4206814
    Abstract: A farm implement having a main frame; at least two carriage wheels for supporting the frame; a plurality of brackets mounted in pairs on the frame, each pair of brackets defining a sled; a plurality of knives mounted on each sled in a generally horizontal plane; a weeder bar rotatably supported by the brackets; and a hydraulic motor mounted on the frame for driving the weeder bar in a counter clockwise direction as the implement is moved in a direction whereby the carriage wheels rotate in a clockwise direction.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: June 10, 1980
    Inventor: Clifton J. Isaacs
  • Fluid pump
    Patent number: 4202657
    Abstract: An improved fluid pump having two or more cylindrical eccentric or elliptical rotors drive connected to revolve together at identical angular velocities, and positioned in cylindrical chambers for compressing fluids therein. The pump includes separate intake ports and discharge ports to and from the chambers allowing the pump to be used as a single stage pump or by connecting the discharge port of one chamber with the intake port of the other chamber the pump can be used as a two stage pump for increased pressure with less volume.
    Type: Grant
    Filed: November 4, 1975
    Date of Patent: May 13, 1980
    Assignee: K-B Engineering Co.
    Inventor: John E. Kice
  • Fuel device for a gasoline engine
    Patent number: 4196710
    Abstract: A fuel device for a gasoline engine. The device eliminating the use of a carburetor on the engine and supplying the engine's intake manifold with an air fuel mixture pre-heated in a reactor housing. The air fuel mixture being heated by the engine's cooling system.
    Type: Grant
    Filed: November 2, 1977
    Date of Patent: April 8, 1980
    Inventor: James J. Lehar
  • Shank and coulter mounting clamp
    Patent number: 4194576
    Abstract: A shank and coulter mounting clamp for attaching to an angular shaped plow frame tube. The clamp securing a rolling coulter and rigid shank to the plow frame with the rolling coulter disposed in front of and adjacent the throat of the shank. The clamp providing for a uniform distribution of load forces transmitted from the shank and coulter to the plow frame.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: March 25, 1980
    Inventor: Harold J. Graber
  • Infant toy
    Patent number: 4188745
    Abstract: An infant toy for mounting on an infant seat, car seat, infant bed, stroller, or the like. The infant toy suspending play objects such as bells, mirrors, stars, or other attractable objects for the amusement of an infant. The infant toy adjustable for mounting on various sizes of infant seats, car seats, or other types of seats and beds used for holding an infant.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: February 19, 1980
    Inventors: Phillip D. Harvey, Miden G. Harvey
  • Transformation of electrical energy to physical energy
    Patent number: 4185593
    Abstract: An improved means and process for providing for the removal of hydrogen from a catalytic cathode means whereby the hydrogen may be recombined with oxygen to provide explosive force to power an internal combustion engine.
    Type: Grant
    Filed: October 31, 1977
    Date of Patent: January 29, 1980
    Inventor: Kenneth S. McClure
  • Reciprocating airlock valve
    Patent number: 4183705
    Abstract: A reciprocating airlock valve used in the transfer of granular and powdered stock between two operations and the maintenance of a pressure differential therebetween. The airlock valve designed to maintain an air seal between the two operations while providing continuous material flow through the valve.
    Type: Grant
    Filed: January 16, 1978
    Date of Patent: January 15, 1980
    Assignee: K-B Engineering Co.
    Inventor: John E. Kice
  • Meat hook
    Patent number: 4182004
    Abstract: An improved one-piece thermoplastic meat hook for use in carrying meat products such as beef, pork, etc. The meat hook is a single molded piece of plastic formed by injection molding and characterized by having an annular cross section with reinforcing stiffening ribs around semicircular end portions and along the length thereof for increasing the amount of tensional load that can be placed thereon.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: January 8, 1980
    Inventors: Stanley S. Haring, Jr., Gary M. Happy
  • Implement hitch assembly
    Patent number: 4178010
    Abstract: An implement hitch assembly pivotally attached to the rear of a self-propelled pulling vehicle. The hitch assembly tows a front agricultural implement and a rear agricultural implement in a tandem position when traveling on a roadway. By releasing a front latch and at the same time releasing a cable that holds a rear wheel, the forward movement of the implements towed behind the pulling vehicle allows the rear wheel to fall back and moves the rear implement in a side-by-side position with the front implement when the implements are to be used in the field. When the implements are in a side-by-side position, the rear implement may be moved back to a tandem position with the front implement by releasing a rear latch.
    Type: Grant
    Filed: July 13, 1978
    Date of Patent: December 11, 1979
    Inventor: Jerome J. Gerber
  • Composition and method to prevent accidental and intentional overdosage with psychoactive drugs
    Patent number: 4175119
    Abstract: A composition and method of inducing emesis to preclude death from accidental or intentional overdosage of a therapeutic composition. The surface of the therapeutic composition is coated with an emetic chemical of such quantity that if the therapeutic composition is consumed in moderation or in accordance with the prescription, no emesis occurs; but if consumed excessively and not in accordance with the prescription, emesis results to render the therapeutic composition harmless and precludes death or serious illness.
    Type: Grant
    Filed: January 11, 1978
    Date of Patent: November 20, 1979
    Inventor: Garry L. Porter
  • Golf putter head
    Patent number: 4147357
    Abstract: A golf putter head for mounting on a golf club shaft of a putter. The putter head having an inverted "Y" shaped yoke attached to both ends of a semi-circular base used for putting a golf ball.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: April 3, 1979
    Inventor: William H. Strop
  • Engine dampener means
    Patent number: 4141673
    Abstract: A vibration dampening means and method for substantially reducing the vibrational frequency of a multi-cylinder air-cooled airplane engine. The engine driving a hydraulic governor pump for a propeller servo. The servo controlling the blades of a variable pitch propeller. The dampening means including a resilient member mounted on the cooling fins of the cylinders, a hydraulic dampener connected with the hydraulic governor pump, and resilient dampeners mounted on the propeller blades.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: February 27, 1979
    Inventor: Eugene C. McCormick
  • Digital thermometer
    Patent number: D251547
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: April 10, 1979
    Inventor: Allan L. McLeod