Patents by Inventor Niilo H. Teeri

Niilo H. Teeri 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).

  • Anti-skid stud
    Patent number: 5634994
    Abstract: The invention relates to an anti-skid stud the operation of which is based on a larger than conventional diameter of the tip part (1) of the anti-skid stud and on its primarily annular contact with the road surface during normal driving, with a slight projection of the tip and with a small surface pressure, the projection increasing in situations in which it is needed, for example during braking, the external force P caused by the braking tilting the anti-skid stud in its position, whereupon the projected edge 5 of the tip part will penetrate over its entire width into the road surface. The stud includes a mantle surface which is made of a material harder than a central portion of the tip.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: June 3, 1997
    Inventor: Niilo H. Teeri
  • Fireplace
    Patent number: D255926
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: July 15, 1980
    Inventor: Niilo H. Teeri
  • Fireplace
    Patent number: D256155
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: July 29, 1980
    Inventor: Niilo H. Teeri
  • Fireplace
    Patent number: D256272
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: August 5, 1980
    Inventor: Niilo H. Teeri