Patents by Inventor Alexander Martin Parker

Alexander Martin Parker 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).

  • Cover for fluid pumps
    Patent number: 5868558
    Abstract: A cover plate for fluid pumps incorporating an O-ring seal 5 secured in a channel 4. The cover includes slots 7 extending to the edge of the cover plate and securing holes to allow easy positioning of the cover onto bolts which remain located in the body of the pump. These and other securing bolts 8 may have large and knurled heads for rapid finger-tightening so as to avoid the need for tools.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: February 9, 1999
    Inventor: Alexander Martin Parker
  • Pump cover
    Patent number: D382882
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: August 26, 1997
    Inventor: Alexander Martin Parker