Patents by Inventor Karl A. Schulz

Karl A. Schulz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11045394
    Abstract: Mobile systems and methods are adapted to control and document prehospital patient care reports and communication of patient status to a receiving medical treatment facility. The systems and methods relate to systems and methods for managing, recording, and administering drugs such as narcotics in an ambulatory and/or emergency environment.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: June 29, 2021
    Assignee: Sierra Nevada Corporation
    Inventors: Karl Schulz, Richard Campbell, Emily Huang, Sarah Koh, Kurnhee Ma
  • Publication number: 20190343727
    Abstract: Mobile systems and methods are adapted to control and document prehospital patient care reports and communication of patient status to a receiving medical treatment facility. The systems and methods relate to systems and methods for managing, recording, and administering drugs such as narcotics in an ambulatory and/or emergency environment.
    Type: Application
    Filed: March 8, 2019
    Publication date: November 14, 2019
    Inventors: Karl Schulz, Richard Campbell, Emily Huang, Sarah Koh, Kurnhee Ma
  • Patent number: 6668471
    Abstract: A multifunctional, self-contained towable backhoe apparatus adapted for direct over-the-road trailering by a towing vehicle, has a support frame having a front and a rear, and a trailering hitch attached to the front. Wheels support the frame at the front and the rear. The rear wheels can function as drive wheels. A backfill blade is movably attached to the rear of the frame. An articulated arm assembly is pivotably mounted on the rear of the frame. A stabilizer with a street pad, a spade, or both, can be secured to the front of the frame for stabilizing the apparatus while in a digging position. The movable backfill blade is capable of movement to a raised position for supporting the articulated arm during transport and movement to at least one lowered ground-engaging position capable of stabilizing the apparatus, of earth moving, or a combination thereof. One end of the articulated arm is adapted for attachment of a tool, including a digging bucket, a pavement breaker, an auger, a grapple, or a fork.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: December 30, 2003
    Assignee: Excavation Technology Corporation
    Inventors: Paul Cook, Karl Schulz
  • Patent number: 4759239
    Abstract: A wrench assembly for making and breaking connections between tubular members, such as a drill string and a top drive sub. The wrench assembly consists of a lower wrench and an upper wrench. The lower wrench has a curved gate arm and a curved latch arm, pivotable between an open position and a closed position. The gate arm has a plurality of teeth on its outer surface, and the latch arm has a plurality of teeth on its inner surface, for locking engagement with the teeth on the gate arm. The lower wrench also has a clamping cylinder and a die block for forcing the tubular member against the gate arm. The upper wrench, mounted above the lower wrench, has a semicircular plate. A plurality of splines are mounted on the interior surface of the semicircular plate for engagement with splines on the top drive sub. A fluid cylinder is provided for applying torque to the wrenches to rotate one of the wrenches with respect to the other wrenches.
    Type: Grant
    Filed: March 3, 1987
    Date of Patent: July 26, 1988
    Assignee: Hughes Tool Company
    Inventors: William R. Hamilton, Karl A. Schulz