US Patent Issued to Clippard Instrument Laboratory on Nov. 25 for "Pinch valve tubes useful with pinch valve systems" (Ohio Inventor)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,606, issued on Nov. 25, was assigned to Clippard Instrument Laboratory Inc. (Cincinnati).

"Pinch valve tubes useful with pinch valve systems" was invented by Douglas E. Robertson (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pinch valve tube includes an open interior through which a fluid can be conveyed. The open interior is non-circular and can be defined by two opposing sides which, when the pinch valve tube is compressed, move toward one another in a more linear fashion than a circular cross section of the open interior. In one form the open interior is defined by a first side which has a bell shape. The bell shape can include a c...