Patents Represented by Attorney Charles L. Schwab
  • Patent number: 6823701
    Abstract: A door latching device is disclosed that is mountable to conventional doors, including cargo container doors and garage doors, for preventing opening thereof. A conventional keyed lock, such as a padlock or puck-shaped protected shackle lock, couples with the latching device to lock the latching device in a latched position with a door. The latching device includes a rigid housing having an attachment bolt affixed thereto for securing the latching device to the door, a slidable locking pin having an opening for receiving a locking pin ingress/egress. In a locked position, the locking pin protrudes from the housing, and the lock is coupled with the locking pin to prevent movement of the same. In an unlocked position, the lock is uncoupled from the locking pin to permit sliding of the locking pin. The housing provides limited access to the lock once the lock is coupled with the locking pin.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: November 30, 2004
    Inventor: Roy E. Gogel
  • Patent number: 6814522
    Abstract: A pivot assembly particularly adapted for pivotally interconnecting a pair of relatively thin parallel walls spaced an appreciable distance from one another. A stud with a pivot joint on one end is interposed between the walls.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: November 9, 2004
    Assignee: Aluminum Ladder Company
    Inventor: James P. Daniel, III
  • Patent number: 6772860
    Abstract: A mobile worker platform providing access to the rotor area of a helicopter having outriggers spaced to straddle the helicopter landing gear.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: August 10, 2004
    Assignee: Aluminum Ladder Company
    Inventor: Eugene R. Nelson
  • Patent number: 6758649
    Abstract: A fork lift truck attachment having side shiftable forks which can be adjusted for side loading and which can be tilted fore and aft laterally.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: July 6, 2004
    Inventor: Frank P. Scordilis
  • Patent number: 6726041
    Abstract: A metal shipping crate is provided with a tubular steel construction. The crate is modifiable and expandable to enclose varying sizes of cargo. The crate requires no tools to pack and unpack, and is stackable and economical to use and store.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: April 27, 2004
    Assignee: Dunn-Right Incorporated
    Inventor: Larry W. Dunn
  • Patent number: 6722489
    Abstract: A dry bulk unloading apparatus for transferring bulk material from a storage facility to a transport vehicle includes a pair of pivotally interconnected upper and lower screw conveyors. The upper screw conveyor is pivotally connected at its receiving end on a vertical axis to the storage facility and is pivotally connected at its discharge end on a vertical axis to the receiving end of a lower screw conveyor. The conveyors each have an auger driven by an electric motor and electric motors are provided to pivot the upper screw conveyor relative to the storage facility and to pivot the lower screw conveyor relative to the upper screw conveyor. A hand held controller may be used for remote control of the electric motors.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: April 20, 2004
    Assignee: Aluminum Ladder Company
    Inventor: Anthony J. Cook
  • Patent number: 6708067
    Abstract: The invention relates to a test cable which has an at least two-wire design and which is provided for a sterile application, e.g. during the implantation of a cardiac pacemaker. The test cable serves as an electrical connection between the probe (electrode connector 1) and the test device (24). The test cable comprises electrical connecting elements assigned to the test device (24) and the contact elements which can be connected to the electrical contact surfaces (contact pin 3 and electrode connector ring 4) of the probe. The test cable has a thin flexible litz wire line (12) and is designed as a disposable part. In addition, the first contact element is configured as an alligator clip (9) and the second contact element is configured or as a contact spring (5) or a contact sleeve.
    Type: Grant
    Filed: September 9, 2000
    Date of Patent: March 16, 2004
    Inventor: Hans Jurgen Bisping
  • Patent number: 6695911
    Abstract: In the production of cement clinker or cement with the addition of a cement additive (40), such as for example slag, which is ground in a closed-circuit grinding installation into slag meal (32) of equal fineness to cement, in order to utilize excess slag capacity in a beneficial way in the cement clinker production process, an intermediate slag fraction (33, 34) withdrawn from a three-fraction classifying device (31) is added as a raw material component to the stock inlet of the rotary kiln (20) of the cement clinker production line, and at the same time the chemical composition of the remaining raw material components (10) is adapted to the added quantity (34) of the intermediate slag fraction.
    Type: Grant
    Filed: April 15, 2002
    Date of Patent: February 24, 2004
    Assignee: KHD Humboldt Wedag AG
    Inventors: Hubert Ramesohl, Hans-Wilhelm Meyer
  • Patent number: 6685581
    Abstract: An athletic practice machine for training offensive and defensive players, such as football players and for training martial arts and kick boxing athletes. Each dummy of the training device may be latched in a spring loaded retracted position and the dummies may be individually released to spring to a forward leaning position simulating opponent movement. The dummy release may be accomplished by movement of a coach's staff. In training units having three laterally spaced dummies, the end dummies are positioned forward of the central dummy and face inwardly to form an arc. Movement of the helmet bearing staff forward releases the central dummy and lateral movement of the helmet bearing staff releases the dummy on the side toward which the staff is moved.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: February 3, 2004
    Assignee: Rae Crowther Company
    Inventors: Harry W. Krause, Jeffrey Lowery
  • Patent number: 6666680
    Abstract: A dual-train or multi-train installation for the production of cement clinker from raw meal includes several cyclone suspension heat exchanger trains which provide substantially equal gas and meal loads of the following gas-solid suspensions through use of a vortex homogenization chamber (29), having an inlet opening (30) for the gas-solid suspension and having at least two outlets to a pair of pipes (28, 31) for the discharge of the thoroughly blended homogenized gas-solid suspension substreams. The vortex homogenization chamber (29) is positioned in a calcination stage (17), upstream of its branching and splitting between the several heat exchanger trains (A, B).
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: December 23, 2003
    Assignee: KHD Humboldt Wedag, AG
    Inventors: Carsten Eckert, Stefan K├Âllen, Hubert Ramesohl, Matthias Mersmann
  • Patent number: 6655617
    Abstract: A simply and compactly built drive system for a tube mill is provided whose force transmission is no longer threatened by flexures and other deformations of the grinding tube. A one-piece ring gear having a diameter less than or equal to the diameter of the grinding tube is attached to the small diameter end of a discharge cone of the grinding tube.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: December 2, 2003
    Assignee: KHD Humboldt Wedag AG
    Inventors: Alexander Hagedorn, Norbert Aufsfeld
  • Patent number: 6619390
    Abstract: A particle separator for a fluid pump has a cylindrical body which is attachable to a pump by a flexible sleeve and has tangential slots directing intake fluid in swirling manner about an inlet tube within the cylindrical body. The inlet has an enlarged outer diameter at its lower end which causes the swirling inlet fluid to accelerate—thus aiding in particle separation.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: September 16, 2003
    Inventor: Charles W. Kellett, III
  • Patent number: 6609873
    Abstract: A bulk material handling facility includes an unloading tube positionable for connection to several discharge openings of a transport vehicle without requiring repositioning of the vehicle. The unloading tube is pivotally supported so that it can be swung out of the way when not in use. The unloading tube may include an elevated portion permitting passage of personnel and equipment when the unloading tube is in use.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: August 26, 2003
    Assignee: Carbis Incorporated
    Inventors: William Wayne Just, Robert E. Singleton, Jr.
  • Patent number: 6598846
    Abstract: A ceiling fan hanger ball is provided with features to permit universal acceptance of downrods there from.
    Type: Grant
    Filed: August 22, 2000
    Date of Patent: July 29, 2003
    Assignee: Prime Home Impressions, LLC
    Inventor: Robert W. Lackey, Jr.
  • Patent number: 6574909
    Abstract: A buoyant fishing lure having a relatively long narrow body with a rotating tail fin. The lure assumes a vertical position when it is stationary in the water. When drawn through the water the lure sounds and looks sufficiently like a live bait that a game fish will strike without hesitation.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: June 10, 2003
    Assignee: H & H Industries
    Inventor: Ken Hoffman
  • Patent number: 6534731
    Abstract: Safety edge switch (1) for power-driven equipment or power-driven doors, sliding equipment and so forth of vehicles, with a hollow profile made of an elastomeric material and having a mounting profile (2) and a shell part (3), in which hollow profile there is an internal body (4), the internal body part (4) and the shell part (3) having electrically conductive zones that, upon mutual contact, initiate a switching pulse that can be led to an interpretation unit. The mounting profile (2) is made electrically conductive and is electrically conductively connected to the internal body part (4) or the shell part (3).
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: March 18, 2003
    Inventors: Karlheinz Beckhausen, Jurgen Menz
  • Patent number: 6527081
    Abstract: A portable embankment stairway with steps that can be adjusted for the slope of the section of the embankment on which it is temporarily installed to provide level footing for workmen on the stairway.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: March 4, 2003
    Assignee: Aluminum Ladder Company,
    Inventors: Sandy W. Tyner, Ronald W. Bennett
  • Patent number: 6523970
    Abstract: A spotlight adaptor with a flexible conduit, which can be shaped to direct light to be directed around the comer of a building. The spotlight adapter can be screwed into an electric socket mounted at one side of and near to a comer of a building and includes a flexible conduit which can be bent around the comer of the building to provide illumination at the other side of the building.
    Type: Grant
    Filed: October 4, 2001
    Date of Patent: February 25, 2003
    Inventor: Charles W. Scales, III
  • Patent number: 6517597
    Abstract: A heat-resistant and wear-resistant insertion element or segment of a segmented dip tube suitable for use in a refractory-lined cyclone of a cement clinker production line. The insertion element, is capable of being fabricated and installed with a length greater than 120 cm, and is distinguished by a long service life. The insertion element may be a composite structure made of a metallic carcass or sheet (10) and a metallic mesh with webs (11) forming lattice-shaped openings which are filled with a heat-resistant ceramic composition (12).
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: February 11, 2003
    Assignee: KHD Humboldt Wedag AG
    Inventors: Ralf Filges, Horst Schilling
  • Patent number: D495619
    Type: Grant
    Filed: May 23, 2003
    Date of Patent: September 7, 2004
    Inventor: Frederick W. Ward