Patents by Inventor Vesa Koivisto

Vesa Koivisto 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: 6082203
    Abstract: The invention relates to a sensing element for measuring loads. According to the invention, the sensing element commprises: a strain transducer unit (1) measuring the strain in a structure, including a strain transducer element, such as a strain gauge element (6); and a protecting shell (2) inside which the strain transducer unit (1) is fitted and which protecting shell includes: a base plate (3), on top of which the strain transducer unit (1) is attached; and a protecting hood (4) which is fitted around the strain transducer unit (1), on top of the base plate (3). The protecting hood (4) is most advantageously filled with protecting material (5), such as silicon.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: July 4, 2000
    Assignee: Marja-Liisa Koivisto
    Inventors: Vesa Koivisto, Jari Sundqvist
  • Patent number: 5366033
    Abstract: The invention concerns a procedure for the weighing of a load. In this procedure a load support having supporters (23), e.g. a vehicle or container, is provided with transducers (1a, 1b, 2) whose output signals are used to determine the weight of the load (K). According to the invention, the transducers are mounted on the rigid frame (4) of the load support near the fixing points (6; 6a, 6b, 6c, 6d) of the supporters (23; 27) and used to measure the deformations and/or stresses caused by the load, the weight of the load being determined on the basis of these.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: November 22, 1994
    Inventor: Vesa Koivisto