Patents Represented by Law Firm Stephenson and Boller
  • Patent number: 4576590
    Abstract: Apparatus and method for intraluminal membrane oxygenation of internal organs. A catheter having a walled chamber is introduced to dispose the chamber against the lumen of an internal organ. The wall of the chamber is of a material which is freely permeable to gases, such as oxygen and carbon dioxide, and poorly permeable to liquid. Oxygen is introduced into the catheter and perfused through the walled chamber. Oxygen passes through the wall of the chamber to the organ while carbon dioxide from the organ passes through the wall of the chamber.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: March 18, 1986
    Inventor: Richard G. Fiddian-Green
  • Patent number: 4574843
    Abstract: An override cartridge for a solenoid operated fluid valve provides convenient conversion of a valve to include or exclude a mechanical override feature. The disclosed construction comprises a tubular cartridge body containing the override, with the tubular body having a screw thread connection to the valve. Other features are also disclosed.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: March 11, 1986
    Assignee: Double A Products Co.
    Inventors: Ronald L. Loup, Curtis H. Day
  • Patent number: 4575331
    Abstract: A carrier ring for achieving attachment to the thermoplastic perform as the preform is formed in a split injection mold is disclosed. The split injection mold defines a mold cavity into which a core pin is positionable. The mold cavity, along with the position core pin, defines the principle portion of the preform cavity. The remainder of the preform cavity is provided by an annular groove in the carrier ring. This annular groove has a substantially horizontal outwardly extending first wall, a substantially horizontal inwardly extending second wall downwardly displaced from the first wall, and a downwardly and inwardly extending third wall emanating from the outwardmost extent of the first wall and terminating at the inward most extent of the second wall.
    Type: Grant
    Filed: October 28, 1983
    Date of Patent: March 11, 1986
    Assignee: Hoover Universal, Inc.
    Inventors: Dennis L. Dundas, William H. Myers, William G. Kinslow, Jr.
  • Patent number: 4573288
    Abstract: A magnetic door edge guard for the trailing edge of a swinging metal closure such as an automobile door comprises an elongate non-metallic body of generally U-shaped cross section which contains a plurality of permanently magnetized elements for attaching the edge guard magnetically to the trailing edge of the swinging metal closure. In one embodiment the permanently magnetized elements comprise wires extending lengthwise of the non-metallic body. In another embodiment the permanently magnetized elements comprise metal fragments distributed throughout the extent of the non-metallic body.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: March 4, 1986
    Assignee: U.S. Product Development Company
    Inventor: Robert Adell
  • Patent number: 4573495
    Abstract: A ballcock assembly having an upright standpipe for delivery of flush water, a control valve assembly at the upper end of the standpipe, and a float and ballast assembly slidably mounted for up and down movement relative to the standpipe and connected to the control valve assembly. The control valve assembly operates to open the valve to flow of flush water from the standpipe assembly in response to downward movement of the float and ballast assembly. When the float assembly is caused to rise by incoming flush water from the standpipe, it ultimately causes the control valve to shut off incoming flow of flush water from the standpipe.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: March 4, 1986
    Inventors: Charles T. Rothe, Larry D. Gish
  • Patent number: 4570273
    Abstract: A pourspout accessory kit for use with a portable toilet holding tank to facilitate dumping of the holding tank's contents via an outlet opening in the holding tank. The accessory kit copmrises a pourspout having an inlet end for attachment to the holding tank outlet opening and an outlet end spaced from the inlet end. Respective inlet and outlet end closure caps cover the inlet and outlet ends respectively of the pourspout. The inlet end of the pourspout is configured to fit a holding tank outlet opening having either a partial internal screw thread or a full external screw thread. The attachment to the partial internal screw thread is by means of a pair of bayonets on diametrically opposite sides of the pourspout which engage the partial screw threads on diametrically opposite sides of the holding tank outlet opening.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: February 18, 1986
    Assignee: Thetford Corporation
    Inventors: John M. Antos, John Selina
  • Patent number: 4570383
    Abstract: Improvements in edge guards for the trailing edges of swinging closures are disclosed. The improvements include modifications to the trailing edges of the swinging closure themselves to accept new and unique edge guards. One improvement relates to the inclusion of a recess in the trailing edge of a swinging closure and/or the edge of an adjacent body panel with the edge guards having a cooperative association with such recesses. The edge guards may be entirely of a non-metallic material or of insulated material.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: February 18, 1986
    Assignee: U.S. Product Development Company
    Inventor: Robert Adell
  • Patent number: 4571078
    Abstract: A new and improved flowcell comprises an interposed fluid pathway, coaxial with the light path of a fiber optic system and consisting of two or more units combined by means of intereference-fit joints which both accurately align the bores and seal against leakage. The joints are so fashioned that the flowcell may be quickly disassembled to permit cleaning or removal of lint fibers, crystals or other minute materials which typically deposit and obstruct both solution flow and light transmission. At each end of the fluid pathway, a short rod of a clear material of broad spectral transmissivity such as quartz, fused silica, sapphire, etc., acts as a fluid seal and window to the fluid pathway. Fluid enters and exits the pathway by means of ports located at right angles to the light path. The flowcell mounts on a holder.
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: February 18, 1986
    Inventor: Rodney D. Capps, II
  • Patent number: 4565032
    Abstract: An insulated metal edge guard particularly adapted for fitting onto the trailing edge of a swinging closure which closes against an adjacent panel. The edge guard comprises a U-shaped metal channel having beads at the distal ends of the legs of the channel wherein the beads comprise double reversal folds folded back against the legs. Insulating material is selectively applied to the metal strip by an extrusion, or co-extrusion, procedure prior to the strip being formed into the channel-shaped cross section. Various embodiments of edge guard are disclosed.
    Type: Grant
    Filed: June 6, 1984
    Date of Patent: January 21, 1986
    Assignee: U.S. Product Development Company
    Inventor: Robert Adell
  • Patent number: 4559741
    Abstract: Various edge guards and their methods of manufacture are disclosed. The edge guards and methods relate to improved procedures for manufacturing of edge guards so as to provide various forms of product improvements. The methods and edge guards are directed to the objective of providing an edge guard which resists electro-chemical corrosive action when mounted on an edge. This can be done by an insulated metal edge guard or by an edge guard of entirely non-metallic construction.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: December 24, 1985
    Assignee: U.S. Product Development Co.
    Inventor: Robert Adell
  • Patent number: 4552526
    Abstract: Blow molding apparatus for manufacturing containers, the apparatus having a blow station, a parison forming station to one side of the blow molding station, a container trim station at the other side of the blow molding station and a multiple station mold carrying slide for shuttle movement between a first position below the parison forming and blow molding stations and a second position below the blow molding and trim stations. The shuttling movement of the slide takes place between a pair of movable platens that are capable of opening and closing the molds. Improved structure in the apparatus insures that the blow heads will not separate from the molds during blowing, provides for trimming of the containers at the trim stations and for deposit of trimmed containers in upright positions on a conveyor.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: November 12, 1985
    Assignee: Hoover Universal, Inc.
    Inventor: Robert X. Hafele
  • Patent number: 4551095
    Abstract: Attachment of a Herbst mechanism to the maxillary arch by use of a headgear tube is disclosed. A shaft of a length greater than that of the tube passes completely through the tube so as to project both mesially and distally from the tube. The connection of the Herbst mechanism is to that portion of the shaft which projects distally from the tube. A stop is disposed on the shaft mesial of the tube to forcefully bear against the tube with a distally directed force when corrective force is being developed by the appliance. The stop in its preferred embodiment comprises an adjustable locking device which is selectively positionable on the shaft to set the amount of distal extension of the point of connection of the Herbst mechanism from the tube and thereby limit the distal movement of the lower arch and/or jaw.
    Type: Grant
    Filed: January 30, 1985
    Date of Patent: November 5, 1985
    Inventor: Charles W. Mason
  • Patent number: 4549733
    Abstract: A cable exercise machine has the capability for allowing a user to perform various exercises by the lifting and lowering of weights by means of a cable. The cable is tethered at opposite ends on the frame of the machine and it passes through a sheave assembly and a sheave block assembly. The user pulls on the sheave block assembly to lift the weights. The sheave assembly is adjustably positionable on the frame of the machine to different positions and is operatively related with the cable and the sheave block assembly such that the sheave block assembly hangs free from the sheave assembly substantially the same amount for all adjustment positions of the sheave block assembly on the frame so that the user can remain in the same position relative to the machine for all adjustment positions of the sheave assembly. Additional exercise stations are provided, a seat and bench station, and a leg exercise station. These have adjustment capabilities and may be used in conjunction with the cable-operated weights.
    Type: Grant
    Filed: February 4, 1983
    Date of Patent: October 29, 1985
    Inventor: Alan Salyer
  • Patent number: 4550395
    Abstract: A rotating disc-shaped carrier upon which have been recorded audio, video or computer data in holographic form, a method for forming such a carrier, and an apparatus for reading such a carrier is disclosed. A beam of coherent radiation is spatially modulated in a prescribed way, this beam then illuminating one radial of a rotating carrier upon which has been recorded a series of holograms in the form of a spiral track or series of concentric tracks. The holograms are elongated in a direction perpendicular to movement of the rotating carrier and overlap in directions both parallel and perpendicular to such movement, the amount of overlap in the perpendicular direction being inversely proportional to the amount of overlap in the parallel direction such that data storage density remains constant across the surface of the rotating carrier. The sequentially illuminated holograms generate a series of signal images which vary in amplitude, width, spatial frequency, azimuth or position relative to a centerline.
    Type: Grant
    Filed: October 11, 1983
    Date of Patent: October 29, 1985
    Inventor: John E. Carlson
  • Patent number: 4547916
    Abstract: A level indicator for a portable toilet comprises a visible indicator on the exterior of the toilet's holding tank, a float mechanism on the tank's interior operable to sense the level of liquid material in the tank, and a magnetic coupling between the float mechanism and the indicator for causing the indicator to be operated to a position corresponding to the level of liquid material sensed by the float mechanism. The indicator is in the form of a wheel journaled on a receptacle in the top wall of the holding tank. A magnet mounts on the wheel in radially spaced relation to its axis. The float mechanism comprises an arm which is operated along an arc in response to changes in the level of liquid material in the tank. The arm has a magnet which swings in a corresponding arc and which confronts the wheel magnet so that the wheel is rotated about its axis as the float arm is operated about its own axis.
    Type: Grant
    Filed: November 10, 1983
    Date of Patent: October 22, 1985
    Assignee: Thetford Corporation
    Inventors: Arthur W. Henke, John M. Antos
  • Patent number: 4547994
    Abstract: A plastic and metal edge guard as fabricated by extruding plastic onto metal. The extrusion may take place onto a flat metal strip with the plastic and metal subsequently being formed into a desired cross sectional shape for the edge guard. Several embodiments are disclosed. In one embodiment the plastic is provided with a tapered shape so that when the plastic and metal are formed into the U-shaped cross section the plastic taper narrows toward the distal end of the legs to produce a feathering of the plastic. The plastic may cover either the entire surface of one side of the strip or selectively leave one or both marginal edges uncovered on the same side of the strip which can be formed into beads.
    Type: Grant
    Filed: December 13, 1983
    Date of Patent: October 22, 1985
    Assignee: U.S. Product Development Company
    Inventor: Robert Adell
  • Patent number: 4546976
    Abstract: A baseball bat comprising a hollow metal core of varying diameter and a foam plastic body enveloping the core. The plastic body has a handle section and a hitting section that are separately molded so that said handle section is softer than said hitting section and can be of a different color when desired.
    Type: Grant
    Filed: February 3, 1984
    Date of Patent: October 15, 1985
    Assignee: Renosol Corporation
    Inventor: Thomas N. Jones
  • Patent number: 4544993
    Abstract: A floor illuminating bedside light unit consisting of a generally horizontal foot mat member, switch means operatively associated with the underside of the foot mat for actuation in response to foot pressure on the mat member, and floor illuminating light members connected to the switch means for "on/off" operation in response to actuation of the switch means. The unit is positioned next to the bed in a position in which the bed occupant will step on the foot mat member when entering and leaving the bed. As a result, the unit is operable to illuminate the floor of a darkened bedroom when the bed occupant steps on the mat when leaving the bed and will continue said illumination until the occupant steps on the mat when returning to the bed.
    Type: Grant
    Filed: January 9, 1985
    Date of Patent: October 1, 1985
    Inventor: Johnie C. Kirk
  • Patent number: 4541445
    Abstract: A tent comprises end walls of trapezoidal shape and pole structures which support the tent via the tops of its end walls. A sleeve is provided along the top of each end wall and a ridge pole is disposed within the sleeve, the sleeves and the ridge poles being of essentially identical lengths. The sleeves are provided with openings facing downwardly and longitudinally inwardly, and end-to-end separably connected pole sections support the ends of the ridge poles. Supporting each end of each ridge pole are exactly three end-to-end separably connected pole sections.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: September 17, 1985
    Assignee: Oyster Tent Company
    Inventor: Robert W. Ferguson
  • Patent number: 4540211
    Abstract: A jaw assembly for use with a work arm to move workpieces from one station to another is disclosed. The jaw assembly is operable to grip and release workpieces and comprises jaw elements arranged in a uniform pattern about the axis of the jaw assembly which are displaced radially to grip and release workpieces. The actuator comprises a fluid power operated rod coaxial with the axis of the jaw assembly. The rod is operatively coupled with each jaw element by means of a corresponding crank. A pair of flat yieldably resilient strips are cooperative with the crank and the jaw element so as to maintain the jaw element in a predetermined relationship as it moves radially. In the preferred embodiment, this predetermined relationship is a vertical orientation of the work gripping surface of the jaw element, the same as the axis of the jaw assembly which is also vertical.
    Type: Grant
    Filed: February 2, 1983
    Date of Patent: September 10, 1985
    Assignee: Android Corporation
    Inventor: Gregory J. Masserang