Mealey's (February 27, 2018, 11:11 AM EST) -- WASHINGTON, D.C. — Although the Patent Trial and Appeal Board erred in determining that the term “drive” as it appears in a pump control system patent is limited to a variable speed drive, an examiner’s rejection of several claims of the same patent was sustained Feb. 26 by the Federal Circuit U.S. Court of Appeals (Hayward Industries Inc. v. Pentair Water Pool & Spa, No. 17-1124, Fed. Cir.)....