Patents by Inventor Charles S. Solomon

Charles S. Solomon 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).

  • Rolling diaphragm seal arrangement for a submersible pump system
    Patent number: 5725365
    Abstract: A submersible pump cylinder (10; 110) for immersion in and displacement of a fluid (W), including a cylindrical housing (20; 120), a plunger assembly (45; 145) positioned for reciprocating motion within the cylindrical housing, a sealing sleeve assembly (85; 185) attached to the cylindrical housing and to the plunger assembly and overlapped to maintain a convolution (90; 190; 190') which moves during the reciprocating motion of said plunger assembly, and a balance valve (55) associated with the plunger assembly maintaining pressure within the flexible sleeve, whereby the flexible sleeve is maintained in engagement with the housing and the plunger assembly and substantially without frictional interengagement during motion of the plunger assembly.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: March 10, 1998
    Inventors: Fred D. Solomon, Charles S. Solomon, Dale F. Solomon