Inventor
HUTCHENS WILBUR DEAN
US6 patents
⚠️ This page may combine multiple inventors who share the name “HUTCHENS WILBUR DEAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER CONTROLS INT
4 patentsUS7296585B2Nov 20, 2007
Elliptical sealing surface for butterfly valve
FISHER CONTROLS INT16 citations89
US7416164B2Aug 26, 2008
Elliptical sealing surface for butterfly valve
FISHER CONTROLS INT9 citations81
US7080820B2Jul 25, 2006
Elliptical sealing surface for butterfly valve
FISHER CONTROLS INT8 citations71
US9182053B2Nov 10, 2015
Methods and apparatus to load a valve packing
FISHER CONTROLS INT0 citations46