Patents by Inventor Rederick W. Zeyfang

Rederick W. Zeyfang 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).

  • Publication number: 20130220447
    Abstract: A gas cylinder valve stem protective device is provided comprising a three-sided body capable of being positioned about a four-sided gas cylinder valve stem in protective relationship to three adjacent opposing faces of the valve stem, one of the sides having at least one projection extending from an interior surface thereof and configured to engage a portion of an opposing surface of the valve stem whereby the protective device is prevented from being easily removed from engagement with the valve stem. One of the opposing sides having extending therefrom a locking strip capable of being lockingly engaged with the other of the opposing sides to maintain the three-sided body in protective relationship with the valve stem. Two opposing sides of the body optionally have extending from upper portions thereof upwardly-extending grip members each configured for being gripped by a finger.
    Type: Application
    Filed: February 24, 2012
    Publication date: August 29, 2013
    Inventor: REDERICK W. ZEYFANG
  • Publication number: 20110240162
    Abstract: A flexible vented end cap for a medical gas tube is provided. The end cap comprises a closed end and an open end, and having a side wall having fit beads spaced about the circumference of an interior surface and extending longitudinally along the interior surface parallel to the longitudinal axis of the end cap, the end cap further including at least one radial fit bead extending across at least a portion of the interior bottom surface of the end cap to permit gas communication between the interior of the medical gas tube when inserted into the end cap and the environment external to the end cap, and the closed end having an outwardly flared circumferential portion to serve as a finger grip, and the exterior bottom surface of the end cap being concave in configuration.
    Type: Application
    Filed: April 6, 2010
    Publication date: October 6, 2011
    Inventor: Rederick W. Zeyfang
  • Publication number: 20110210134
    Abstract: A protective sleeve for gas bottle valve stems is provided comprised of an elongated tubular body configured to fit on a valve stem. At least one projection extends from an interior surface of the protective sleeve and is adapted to lockingly engage with at least one orifice in an opposing surface of the valve stem whereby the sleeve is prevented from being easily removed from the valve stem upon being placed thereover due to engagement of the projection with the orifice. A tear strip is provided within a side surface of the protective sleeve, whereby a portion of the protective sleeve may be removed to permit disengagement of the protective sleeve. A housing may be provided in the protective sleeve for storage of a washer which may be used to provide a seal between a regulator and the valve stem of the gas bottle.
    Type: Application
    Filed: January 19, 2011
    Publication date: September 1, 2011
    Inventor: Rederick W. Zeyfang
  • Publication number: 20110126935
    Abstract: A flange protector is provided comprising a flexible impact-resistant material having a cover portion, the cover portion having such dimension and configured to cover in protective relationship the surface of a flange member adapted to be connected to an opposing flange member, the flange protector having multiple lugs configured to be inserted into bolt holes located about the periphery of the flange. The lugs have an upper end attached to the flange protector and an insertable end spaced therefrom, the upper end being connected to the flange protector by hinge means, and the lower end being configured to permit rotation into and engagement with a bolt hole. A combination of the flange protector and a flange is also provided.
    Type: Application
    Filed: November 30, 2009
    Publication date: June 2, 2011
    Inventor: Rederick W. Zeyfang
  • Patent number: D659808
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: May 15, 2012
    Assignee: Protective Industries, Inc.
    Inventor: Rederick W. Zeyfang