Patents by Inventor Willem G. L. de Jong

Willem G. L. de Jong 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: 5603130
    Abstract: Sanitary seat on which the disabled or the elderly can sit to wash--or have washed--parts of their lower body. The seat (61) comprises two parts, an inner part (64) and an annular part (62), which can be moved relative to each other in the vertical direction. When the inner part (64), is projecting above the annular part (62), the part of the lower body projecting outside the inner part can be washed. When the inner part (64), is below the annular part (62), the particular person is sitting on the annular part (62). In that situation the other part on which the person was first seated can be washed. The inner part (64) is preferably provided with a spray head, and the inner part (64) with a downward projecting part of the annular part (62) preferably forms a watertight seal for forming a space which can be filled with water in which the lower body can be cleansed.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: February 18, 1997
    Assignee: B.V. Optische Industrie De Oude Delft
    Inventors: Christiaan J. Snijders, Alphonsus M. L. D. Hoenderdos, Willem G. L. de Jong, Adrianus P. de Jong
  • Patent number: 5590427
    Abstract: Shower sitting structure (1) comprising a frame and seat support elements (2, 3) forming seat support surfaces for supporting a user's body, in which the seat support elements (2, 3) are designed in such a way that support is present only under the thighs in front of the ischial tuberosities, in which there is no support at the position of the perineum, and in which a backrest element (3), which at its bottom end forms a supporting part (38), for the lower back region of the user is present.
    Type: Grant
    Filed: March 14, 1994
    Date of Patent: January 7, 1997
    Assignee: B.V. Linido
    Inventors: Wilhelmine M. M. Weterings, Franciscus J. M. Nieuwenhuis, Willem G. L. de Jong