Patents by Inventor Arthur A. Wahl

Arthur A. Wahl 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: 4883202
    Abstract: Anti-spill apparatus including a liquid recovery system, for use with a liquid pumping system, which recovers and returns to a liquid container, any liquid which is inadvertently emitted by the liquid pumping system. The apparatus contemplates a pump, having a feeder hose received in a liquid containing barrel, for conveying chemicals and the like contained in the barrel, to a remote location and a new mounting system for mounting the pump on the barrell. The recovery system includes a splash guard which encases a portion of the pump, a recovery hose coupled between a downstream portion of the feeder hose and the splash guard, and a drain spout which receives the liquid from the splash guard and conveys it to the liquid container.
    Type: Grant
    Filed: January 20, 1988
    Date of Patent: November 28, 1989
    Inventor: Arthur A. Wahl
  • Patent number: 4121378
    Abstract: An anti-burglar guard for a double hung window construction including a generally rectangular frame having upstanding side frame members mounting vertically staggered slidable sashes. The window guard includes a transversely extending elongate barrier and anchoring members, adjustably mounted on the barrier, for mounting the barrier on the side frame members adjacent one of the window sashes. The barrier mounts a stop which projects into the path of the other window sash to limit sliding movement thereof.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: October 24, 1978
    Inventor: Arthur A. Wahl