Patents by Inventor Blair W. Lindsay

Blair W. Lindsay 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: 5848447
    Abstract: A device for raising and lowering a toilet seat. Such a toilet seat enables the elderly and disabled to more easily use toilets. In its broadest context, the present invention includes a toilet seat which is pivotally secured to the remaining toilet bowl. To the rearward extent of the toilet seat a pair of opposing drive cylinders are secured. Each of the drive cylinders is further threadably interconnected to a drive shaft. Each of these drive shafts is further interconnected to a horizontal drive shaft via a beveled gear assembly. A transverse drive shaft serves to drive the entire assembly and is interconnected to both of the horizontal drive shafts. A motor is interconnected to the transverse drive shaft for use in powering the entire assembly.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: December 15, 1998
    Inventor: Blair W. Lindsay