Patents by Inventor Jonas T. Lindquist

Jonas T. Lindquist 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: 5573209
    Abstract: A downspout anchor formed of a U-shaped hook section and a spike section permanently joined by an angular arm unitary with the spike section. A collar formation having a through bore therethrough is formed on the angular arm for receiving the hook section, the collar being compressed with the hook section staked therein, effecting the permanent securement. The spike section is provided with opposite ends, one end being rounded for receiving impacts thereto and the opposite end is provided with a bit end, preferably a four-sided tapered portion. The angular arm is formed by forging of a portion of the spike with the angular arm, including the collar formation formed in a cavity of an upset-forging die. The hook section and the spike section are coplanar and laterally offset. The spike section is driven into the building wall without damage to the downspout being mounted.
    Type: Grant
    Filed: October 26, 1994
    Date of Patent: November 12, 1996
    Inventor: Jonas T. Lindquist
  • Patent number: 4601450
    Abstract: A pipe keeper comprises a strap which is attached to a building wall between the ends of the strap. The strap is wrapped around a pipe such as a downspout from a rain gutter. Then the ends of the strap are pulled toward each other to clamp the pipe, as for example by a wedge having sloping wedge faces in engagement with complementary wedge surfaces on the ends of the strap within hooks thereof which receive hooks of the wedge.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: July 22, 1986
    Inventor: Jonas T. Lindquist