Patents by Inventor Alfred Tiefenthal

Alfred Tiefenthal 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: 4353562
    Abstract: An ice skate has a blade and a shoe support formed with three downwardly directed extensions spaced from each other along the length of the blade. The blade of the ice skate is formed with a first projection formed at the front end thereof and extending towards the shoe support and a second projection extending towards the shoe support and located in the middle of the blade in the lengthwise direction. These projections are provided with respective plates adapted to be secured to the shoe support by means of screws extending into the holes formed in the shoe support. Such structure of the ice skate blade permits one to utilize the similar shoe support for the ice skates and roller skates.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: October 12, 1982
    Inventor: Alfred Tiefenthal
  • Patent number: 4258865
    Abstract: The dispensing device for liquid soap includes a rigid housing adapted for accommodating a container having a downwardly directed discharge tubing of resilient material and a rear wall portion of the container is shaped into the form of frustoconical outwardly projecting bellows. A lever mechanism including an upright compressing lever, a horizontal sliding lever and a downwardly projecting trip lever is arranged in the housing for movement between a closing position in which the sliding lever clamps the discharge tubing, and a discharging position in which the compressing arm exerts pressure against the bellows and the sliding arm is spaced apart from the tubing to allow the discharging of the contents of the container.
    Type: Grant
    Filed: December 11, 1978
    Date of Patent: March 31, 1981
    Inventors: Joachim Vahl, Alfred Tiefenthal