Patents Represented by Attorney Ancel W. Lewis, Jr.

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  • Orthogonally mounted substrate based resonators
    Patent number: 5867069
    Abstract: A resonator includes a substrate to which are attached trimmable capacitance and inductance portions which together with a varactor and transistor form an oscillator circuit. The substrate mounts orthogonally in a slot on an oscillator board to reduce microphonic effects from a cover that otherwise would degrade the oscillator performance.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: February 2, 1999
    Assignee: Vari-L Company, Inc.
    Inventor: Joseph H. Kiser
  • Method of making a framing assembly
    Patent number: 5860213
    Abstract: A frame assembly and method of making includes forming a series of pairs of aligned, inwardly extending markings in the form of detents or holes at selected positions in opposed track side walls preferably before forming the sheet metal into the U-shaped profile, providing aligned holes at selected positions in end portions of each stud, inserting the end portion of the stud inside a track so each marking is in an adjacent hole of the aligned pairs of holes and markings, and punching through the markings into each hole to form a hollow stem that draws the end of the stud into the track and the end of the stud against the top surface of the base wall of the track, brings the centers of the holes and markings in alignment to positively fasten each stud to each track. A further step may include flaring or flattening the open end of the stem to a selected angle to form a rivet head.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: January 19, 1999
    Inventor: Gary A. Knudson
  • Metal beams with thermal break and methods
    Patent number: 5860265
    Abstract: A metal beam with a thermal break between opposite sides and method of making is disclosed. In a first embodiment a huck rivet extends through aligned holes in a pair of opposed beam sections having a base wall portion and a side wall portion. In a second embodiment a punch/swedge operation forms a rivet in the base wall portion of one beam section that extends through the other base wall portion of the other beam section. In a third embodiment a series of spaced, alternating tabs and recesses are formed in the beam section and the tabs overlap and are riveted at overlapping tabs only to form a gap in the formed beam. In a fourth embodiment oppositely opening hooks are formed in the inner sections of first and second beam sections that interfit and are seamed together to fasten the two beam sections with a continuous seam along the center of a composite beam.
    Type: Grant
    Filed: August 28, 1997
    Date of Patent: January 19, 1999
    Inventors: Gary A. Knudson, Patrick D. Flood
  • Centrifuge bowl housing and latch for blood separation apparatus
    Patent number: 5855773
    Abstract: The present invention is a centrifuge bowl housing and cover latch suitable for use in a blood separation system. The housing is mounted on shock absorbers to minimize transmission of vibrations from the centrifuge. The housing is configured to retain spilled liquids, efficiently collect the spilled liquids, drain liquids away from the drive means, and drain liquids out of a drain port to a collection container. The housing has a transparent cover that opens to allow loading of centrifuge bowls into the housing. The cover is a shatter resistant material and when closed, seals the top of the housing, retaining blood components and flying pieces of a centrifuge bowl if the bowl breaks. The cover has a latch that prevents the centrifuge from spinning when the cover is open and prevents opening of the cover when the centrifuge is spinning.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: January 5, 1999
    Assignee: Medtronic Electromedics, Inc.
    Inventor: Jacek Lasota
  • Continuously adjustable resonator
    Patent number: 5856769
    Abstract: A resonator for a high frequency electric oscillator is disclosed. The resonator is and integrated capacitor and inductor. The capacitance and inductance of the resonator are continuously and simultaneously adjustable. The resonator includes a coaxial portion and a conductor portion. The coaxial portion has an inner dielectric with a longitudinal aperture and an outer conductive sheath or outer conductor. The conductor portion has a straight section slidable in the aperture and a V shaped bent or oblique section.
    Type: Grant
    Filed: June 9, 1998
    Date of Patent: January 5, 1999
    Assignee: Vari-L Company, Inc.
    Inventor: Joseph H. Kiser
  • Rotary plate and bowl clamp for blood centrifuge
    Patent number: 5851169
    Abstract: A system for securing a blood separator bowl in an autotransfusion machine includes a split ring or collar adapted to grip an enlarged cap on the base of the bowl and a clamp assembly for moving the collar between retracted and expanded positions. In the retracted position, the clamp assembly includes both an overcenter lock system for securing the collar in the retracted position and a backup auxiliary lock in the event of failure. The system further provides for centering the separator bowl on its axis of rotation to prevent undue vibration.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: December 22, 1998
    Assignee: Medtronic Electromedics, Inc.
    Inventors: Henry Meresz, Wayne P. Griffin, Clark M. Hill, Richard Matt
  • Fastening support devices and systems for shielded gutters
    Patent number: 5845435
    Abstract: A fastening support device and system particularly suited for shielded gutters is disclosed. The device has upper and lower support arm portions spaced a fixed distance apart and shaped to fit under and nest inside complementary shaped sections of the gutter to hold the front free end portions of the gutter at the same elevation and maintain a substantially uniform gap in the gutter. A base portion connected to the arm portions abuts against the back wall of the gutter and a threaded fastener extends between the arm portions and through the base portion and back wall of the gutter to fasten the device to a support structure. A fastening support device for a two-piece shielded gutter allows the shield to be formed separate from the gutter and readily connect to and be detached from the gutter channel.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: December 8, 1998
    Inventor: Gary A. Knudson
  • Antenna making method
    Patent number: 5829121
    Abstract: Single and multiple radiator element planar array antennas and a method of making are disclosed. A styrofoam dielectric substrate, a die cut conductive first layer, preferably copper foil, secured to one surface and a conductive second layer, preferably aluminum foil, on the other surface forms the ground plane. A cutting die of cutting blades in a required array on a cutting press is used to cut through the conductive layer and into the dielectric layer in a sandwich of the two to provide inexpensive, durable and dimensionally stable antennas.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: November 3, 1998
    Assignee: Antennas America, Inc.
    Inventors: Kevin O. Shoemaker, Randall P. Marx
  • Heat exchanger and method
    Patent number: 5823247
    Abstract: A heat exchanger device and method of making same disclosed has a heat exchanger core and a stack of inner plates with alternating hot and cold flow fluid passages producing diagonal flow therethrough. One embodiment adds a pair of core retaining plates with end portions extending beyond the core with apertures at precise locations to connect with connectors of equipment to which it is coupled and the other embodiment has end connectors that weld to the core to provide straight in line fluid flow.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: October 20, 1998
    Inventor: Walter W. Weibler
  • Conformal antenna assemblies
    Patent number: 5793336
    Abstract: A conformal antenna assembly disclosed has a first antenna portion sensitive to a UHF band of frequencies. A thin, flat, low-profile, weather-resistant housing encloses the first antenna portion. The housing has a conformal back surface that conforms to the shape of a support surface on which said housing is mounted. The housing has an arrangement to mount the housing to a support surface. In one form the housing is flat to mount on the side of a building and in another form is double curved to mount on the back of a satellite dish. A coaxial cable has a center conductor and a tubular outer conductor with an insulator between the conductors. The center conductor and outer conductor are connected at one end to the first antenna portion. The inner conductor terminates at the other end in an end terminal to conduct signals from the first antenna portion to the end terminal.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: August 11, 1998
    Assignee: Antennas America, Inc.
    Inventors: Kevin O. Shoemaker, Randall P. Marx
  • Variable panel forming apparatus and method
    Patent number: 5787748
    Abstract: Variable panel forming apparatus and method disclosed have spaced drive stations and spaced forming stations interspersed with one another and operable independently of one another. The drive stations have upper and lower rollers each independently adjustable to accommodate different panel widths. One embodiment has the forming stations and drive stations mounted on separate frame top cross members with a yoke and an indexing/locating arrangement and a lock down system which enables the stations to be laterally adjusted and to be removed to accommodate different panel widths and different panel shapes. A second embodiment disclosed has the forming and drive stations on the same frame top cross member and has adapter plates and mounting plates with lateral adjustability features to form different panel shapes and sizes.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: August 4, 1998
    Inventors: Gary A. Knudson, Patrick D. Flood
  • Drain closure
    Patent number: 5784725
    Abstract: A removable drain closure disclosed has a rigid closure body, a flexible sealing member on one face of the support body and flexible legs connected to the sealing member that support the body for flow past the closure in a first position and move inside a drain to a sealed second position. If the closure is inverted the legs also support the support body to allow for drainage through the drain outlet.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: July 28, 1998
    Inventor: Evelyn S. Joiner
  • Door seal
    Patent number: 5784834
    Abstract: A door seal particularly suitable for garage doors disclosed has a rigid base portion made of a plastic material that is fastened to a support frame surrounding a door and a flexible combination cover and flap portion made of a plastic material that is integral with and preferably coextruded with the base portion. The cover and flap portion extend over outer front end and rear end faces of the base portion. The flap extends at an angle from a front corner along the outer face of the base portion. The flap extends forwardly and outwardly at an angle beyond the front end face of the base portion so as to be engaged and be flexed by the garage door in the closed position and in sealed engagement with the door when the door is closed.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: July 28, 1998
    Inventor: Ellis D. Stutzman
  • Fish hook removing devices
    Patent number: 5784830
    Abstract: Hand-held devices for removing fish hooks disclosed have top and bottom members connected at an intermediate pivot to move in a rocker-type action between two positions. A first embodiment has U-shaped top and bottom front portions that nest together in one position with slots arranged to engage a hook and remove different types of hooks and different sizes of hooks. A second embodiment has flat inclined sections with slots arranged with one movable relative to the other to form a pocket to enclose a hook for removal. A third embodiment combines the features of the first two at opposite ends of a common intermediate pivot.Fish hook removing devices disclosed have a high degree of versatility for a wide range of hook sizes, hook types, for a wide range of fish sizes, may be used with a minimum of effort, and a minimum damage to the fish.
    Type: Grant
    Filed: January 2, 1996
    Date of Patent: July 28, 1998
    Inventor: John H. Brumfield
  • High temperature wood smoker
    Patent number: 5768983
    Abstract: A wood smoker comprises an outer cooking container, an inner cooking container, and a cover for the inner cooking container. The outer cooking container is provided with a bottom wall which receives wood chips and the like thereon and the inner cooking container is provided with a bottom wall with smoke flow apertures therein wherein pre-portioned foods are placed on the bottom wall of the inner cooking container, the bottom wall of the inner cooking container being spaced from the bottom wall of the outer cooking container. Wood chips and the like which are ignited provides smoke which flows up through the apertures in the bottom wall of the inner container and along with the heat being generated by the bottom wall of the outer container and the ignited wood chips provides the smoke and cooking heat for the pre-portioned food products on the surface of the bottom wall of the inner cooking container.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: June 23, 1998
    Inventor: Rodney Treiber
  • Tubing clamps for blood separating apparatus
    Patent number: 5769385
    Abstract: A pinch clamp finding a primary use in an autotransfusion machine includes a hollow clamp head having a closed upper end and an open lower end reciprocally receiving a piston. A lateral groove is established in the clamp head so that a deformable tube can be received in the clamp head passing through the hollow interior thereof. The piston is reciprocally moved within the clamp head so as to selectively pinch the tube between the piston head and the closed end of the clamp head. The piston is positively reciprocated by cam followers on a piston rod with the cam followers riding in closed cam tracks in adjacent cam wheels on opposite sides of the piston. The cam wheels are mounted on a crankshaft which is selectively driven by power means.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: June 23, 1998
    Assignee: Medtronic Electromedics, Inc.
    Inventors: Dale Burrous, Mark T. Patton
  • Peristaltic pump and tube loading system
    Patent number: 5759017
    Abstract: A peristaltic pump and tube body system disclosed includes a pump housing, a pump rotor rotatably mounted in the housing, and a motor for driving the rotor. The housing has a pair of opposed side walls hinged and releasably latched to the housing whereby insertion and removal of a pump tube is facilitated. The rotor has two rollers disposed at 180 degrees to one another together with opposed rigid bearing surfaces inside the housing which squeeze the latch to produce a pumping action when the rotor is rotated in either direction.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: June 2, 1998
    Assignee: Medtronic Electromedics, Inc.
    Inventors: Mark T. Patton, Jacek Lasota
  • Flexible ball with spikes
    Patent number: D393671
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: April 21, 1998
    Inventor: William L. Honaker
  • Container carrier
    Patent number: D399049
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: October 6, 1998
    Inventor: Douglas W. Adams
  • Conformal antenna for a satellite dish
    Patent number: D408415
    Type: Grant
    Filed: February 3, 1997
    Date of Patent: April 20, 1999
    Assignee: Antennas America, Inc.
    Inventors: Kevin O. Shoemaker, Randall P. Marx