Patents Represented by Law Firm Herzog, Crebs & McGhee, LLP
  • Patent number: 5732862
    Abstract: A material holding apparatus comprising a receptacle and an integrated finger mount. A lip or groove is circumferentially added to disposable plastic cups used in the dental profession. The receptacle preferably includes projections which mate by snap fit with either the lip or groove of the disposable cups. The finger mount is made of a flexible material and is made with two arms extending from the base of the receptacle, arcing to form a ring. The ends of the arms approach one another, bur remain flexible so as to fit a wide variety of finger sizes. Alternatively, a single band may be used as the finger mount. With either embodiment, the finger mount is slipped over the finger of the use, usually a dental professional.
    Type: Grant
    Filed: February 14, 1997
    Date of Patent: March 31, 1998
    Inventor: Charles L. Bull
  • Patent number: 5730416
    Abstract: A set of tubes, having inlets and outlets, is placed on the downstream side of a modulating flow regulator or valve in a gas flow line. The inlet tubes collect all the gas flow in the tubes. The tubes bend gently and redirect the gas flow so that gas turbulence is reduced. The tubes are grouped as a bundle downstream and position the set of tube outlets so that downstream flow is less noisy and less turbulent.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 24, 1998
    Assignee: Welker Engineering Company
    Inventor: Robert H. Welker
  • Patent number: 5723166
    Abstract: Orange carrots have a beta-carotene content of 75-150 ppm. Orange carrots are commonly used in strained baby foods. The high beta-carotene content of orange carrots results in a high vitamin A statement on the product label and causes the product to have an orange color. White carrots and yellow carrots have a beta-carotene content of less than 10 ppm. White carrots and/or yellow carrots can be used in lieu of, or in combination with, orange carrots to control beta-carotene levels and the color of baby foods. White sweet potatoes can be used in lieu of, or in combination with, white carrots, orange carrots and orange sweet potatoes to control beta-carotene levels and the color of baby foods. The term white sweet potatoes refers to tubers of light colored flesh of the species Ipomea batata, of the morning glory family, Convolvulaceae.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: March 3, 1998
    Assignee: Beech-Nut Nutrition Corporation
    Inventors: Richard C. Theuer, Craig S. Boyer, Richard F. Russo, Gerald E. Shaul
  • Patent number: 5716078
    Abstract: A piping structure and method of manufacture allow for the mechanical joining of two piping products as well as the hydraulic and mechanical sealing thereof by means of an elastomeric gasket having an integral pressure transference device. A socket is produced in one pipe product along with an integrally formed interlock means and the gasket. A spigot is produced in another pipe product along with an integrally formed interlock means complementary to the socket interlock means. The gasket is situated within the socket adjacent a tapered wall portion of the socket and is compressed by a tapered portion of the spigot. In a preferred form, the piping product is formed of a thermoplastic wherein the socket and spigot are easily formed after initial production of the piping product. However, the present joining system is not limited to after product formation and may be utilized for a variety of piping materials and methods of manufacture.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: February 10, 1998
    Inventor: Ronald L. Powers
  • Patent number: 5709523
    Abstract: A material handling lift having a movable frame, a mast mounted at one end to a shuttle assembly movable on the frame, and a load handling assembly attached to the mast by means of two extending arm members. The frame comprises two longitudinal C-shaped side rails in which the shuttle assembly can be reciprocated by wheels which engage the inner surfaces of the rails. The sections of the wheels which engage the rails are arched to prevent the lift from tipping when the lift is moving in a sloped direction. Guide wheels mounted on the shuttle assembly rotate across the surfaces of the sides of the upper rails, thereby stabilizing movement of the shuttle assembly along the rails. The shuttle assembly can be sustained in any position along the rails by operation of a hand-operated shuttle brake.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 20, 1998
    Inventor: Emmet P. Ware
  • Patent number: 5702652
    Abstract: Method and apparatus for cooling porous materials whereby first gases are passed through a porous material, such as polyurethane foam, in a first zone at a predetermined flow rate to cool the porous material and to remove volatiles therefrom in a first gas mixture which exits the porous material at a predetermined temperature. The first gas mixture is combined with second gases having a temperature which is lower than that of the first gas mixture to form a second gas mixture having a temperature which is sufficiently low to condense or sublime one or more of the volatiles. Thereafter, the second gas mixture is passed through the porous material to filter the condensed or sublimed volatiles thereon and to further cool the porous material. The flow rate of the heated gases is controlled to provide a controlled uniform cooling of the porous material, and additional filters may be utilized to remove particulate matter from either of the heated gases or the cold gases, or both.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: December 30, 1997
    Assignee: Crain Industries, Inc.
    Inventors: Michael A. Ricciardi, Anthony C. M. Griffiths
  • Patent number: 5696341
    Abstract: A tuning knob and tuning knob system for a stringed instrument such as a guitar replaces the existing tuning knob. The present tuning knob is a cylindrical knob with exterior knurls and a central bore therethrough. At one end, the bore is adapted to be received over the tuning stem while the other end of the bore is configured to receive a crank. The crank provides additional leverage for instrument tuning.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: December 9, 1997
    Inventor: William Todd McCane
  • Patent number: 5686909
    Abstract: An alarm system for boat covers is shown which deters the removal or the slicing of said cover. A perimeter circuit embedded into the hem of the cover is used in conjunction with specially adapted snap receptacles for cover removal protection. When snapped, the specially adapted snap receptacles act as closed switches in the perimeter circuit, and when unsnapped they act as open switches in the perimeter circuit. The cover is protected from slicing by circuitry affixed thereto. In the preferred embodiment a conduction grid made of a high-resistance material is affixed to the cover. A microprocessor constantly monitors the resistance and trips the alarm when the resistance substantially changes. The microprocessor is also capable of detecting resistance changes in the perimeter circuit if high-resistance wire is used for that circuit. In an alternative embodiment, wire electrical circuits are affixed to the surface of the boat cover.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: November 11, 1997
    Inventor: Louis P. Steinhauser
  • Patent number: 5679189
    Abstract: A method of producing realistic, artificial tree bark from an original natural tree initially includes forming a mold by applying a flexible rubber molding onto a selected tree. The mold is removed as a sheet and spread flat. An in-mold coating and an isocyanate and polyol containing compound is applied and allowed to cure. The bark is thereafter removed from the mold. Various colors may be added either as pre-mixed or after. Reinforcing materials may also be used.
    Type: Grant
    Filed: November 1, 1993
    Date of Patent: October 21, 1997
    Assignee: Futura Coatings, Inc.
    Inventor: Rodney D. Jarboe
  • Patent number: 5669452
    Abstract: A blade plow preferably formed by three frame sections hingedly coupled together includes a ground or terrain contour following mechanism within each frame section. The contour mechanism allows the middle blade to be raised and lowered to maintain the entire central blade horizontal relative to the plow frame and at a constant depth within the ground. Additional "fixed" blades are hydraulically setable for depth of cut. The terrain contour following mechanism allows for larger frame widths without the usual tendency of smaller width frames to buckle due to ground unevenness.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: September 23, 1997
    Assignee: Quinstar Corporation
    Inventors: James A. Wright, Henry F. Erikson, Glenn A. Wolf, James A. Boone
  • Patent number: 5660280
    Abstract: A food service tray for a thermalization cart is injection molded as a one-piece integral tray. The tray includes a plurality of integral compartments some of which are for the placement of food items that are going to be heated (a heatable or hot compartment), the other compartments of which are for the placement of food items that will remain cold (a cold compartment). The bottom wall of each of the heatable compartments is of less thickness than the bottom wall of each of the cold compartments. Additionally, the upper surfaces of the bottom walls of each of the heatable compartments are in a first common plane that is coplanar to a second common plane formed by the bottom surfaces of the bottom walls of each of the cold compartments. Therefore, the bottom surfaces of the bottom walls of the heatable compartments are naturally in a third common plane that is axially below the second common plane.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: August 26, 1997
    Assignee: Seco Products Corporation
    Inventors: Steven H. Wiederhold, Clifford M. Oelfke
  • Patent number: 5635827
    Abstract: A power control system in a DIN rail mount assembly for switching power in a low cost, compact, and solid state for controlling electric heaters. The system can be used for single phase, three phase-two leg, and three phase-three leg. Current switching capabilities range from 30A to 50A. Variable time base, 4-20 mA process control or VAC/DC input contactor configurations can be utilized. The DIN Rail back plate includes a sliding mechanical configuration. A potting fence provides for potting of the electrical substrate and also provides a heat sink. A large cover covers finger palm safer terminals. The DIN rail assembly can also be used for supporting electrical, electromechanical, optical or other types of assemblies.
    Type: Grant
    Filed: August 6, 1996
    Date of Patent: June 3, 1997
    Assignee: Watlow Electric Manufacturing Company
    Inventors: Robert A. Judd, Lawrence A. Crane
  • Patent number: 5611328
    Abstract: A one-piece, seamless food service base is insert molded from a heat and impact resistant plastic. The base is shaped to receive a standard serving plate and includes an integrally molded core. The core is made from a metal or other material that is characteristically susceptible to heating through induction heating. In one form, the core is a solid metal disk with strategically disposed bores for molding the base. In another form, the core is a hollow metal disk having a standard wax phase change core.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: March 18, 1997
    Assignee: Seco Products Corporation
    Inventor: Michael B. McDermott
  • Patent number: 5601413
    Abstract: A method and apparatus for automatically shutting off a dispensing device when the fluid source tank is empty includes a programmed pump controller in communication with the dispensing device and a flowmeter having a pulse generator. Upon startup of the dispensing device, the controller waits for an initial time period, then periodically determines the pulse frequency which correlates to a rate of fluid flow. The pulse frequency is compared to a calculated average pulse frequency and, if the pulse frequency has changed a pre-selected, pre-determined amount or percentage when compared to the average pulse frequency the dispensing device is shut-off. The change in pulse frequency indicates ingestion of air into the pumping system meaning an empty source tank.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: February 11, 1997
    Assignee: Great Plains Industries, Inc.
    Inventors: Gregory A. Langley, David L. Hansen
  • Patent number: 5598322
    Abstract: A power control system in a DIN rail mount assembly for switching power in a low cost, compact, and solid state for controlling electric heaters. The system can be used for single phase, three phase-two leg, and three phase-three leg. Current switching capabilities range from 30 A to 50 A. Variable time base, 4-20 mA process control or VAC/DC input contactor configurations can be utilized. The DIN Rail back plate includes a sliding mechanical configuration. A potting fence provides for potting of the electrical substrate and also provides a heat sink. A large cover covers finger palm safer terminals. The DIN rail assembly can also be used for supporting electrical, electromechanical, optical or other types of assemblies.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: January 28, 1997
    Assignee: Watlow Winona, Inc.
    Inventors: Theodore T. Von Arx, Robert A. Judd, Russell A. Schneidewind
  • Patent number: 5578770
    Abstract: An apparatus and method for use in conjunction with a Drager tube for the simultaneous testing and storage of a particular gas from a source and the subsequent flaring of the gas after testing is set forth herein. The apparatus generally includes a sample cylinder having two heads closing a chamber with an internal piston delineating two variable volume spaces therein. The front head is threaded to and in selective communication with, by means of valves disposed within channels, a supply line connected to a gas source, a test line with the Drager tube, and an exhaust line coupled to a flare line. The rear head is threaded to and in selective communication with, by valves disposed within channels, the test shaft and the exhaust line. The gas enters into the first variable volume space when the valve on the supply line is opened.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: November 26, 1996
    Assignee: Welker Engineering Company
    Inventor: Brian H. Welker
  • Patent number: D387537
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: December 16, 1997
    Inventor: Donald H. Fosher
  • Patent number: D388936
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: January 13, 1998
    Inventor: Donald H. Fosher