Patents by Inventor Jan G. Sergenius

Jan G. Sergenius 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: 5628120
    Abstract: The invention relates to a method and to an arrangement for measuring length or angles, in which method use is made of a tape-shaped transmitter element (1) which is provided with markings and is designed to be pulled out of and pushed into a housing (6), easing or the like, the latter being provided with at least one sensor (4, 5) for detecting the markings on the transmitter element, and with an electronics unit (33) for converting signals from the sensor into length measurements or angle measurements.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: May 13, 1997
    Inventor: Jan G. Sergenius
  • Patent number: 5501912
    Abstract: The invention relates to a material in the form of a strip having a stiffening corrugation thereon. The corrugation consists of ridges and valleys therebetween which form arcs over the breadth of the corrugation zone. The corrugations form a wave pattern propagating in the longitudinal direction of the strip. The waves have no straight sections, and the relationship between the thickness of the strip T and the corrugation depth A is 0.5T<A<2T. In addition, the height of the arcs is at least as large as the wave length of the waves propagating in the Y-direction and alternating in the Z-direction.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: March 26, 1996
    Inventor: Jan G. Sergenius