Inventor

SMART HAROLD R

US3 patents

Patents

3 patents

US6957127B1Oct 18, 2005

Dynamic current-to-pneumatic converter and pneumatic amplifier

DRESSER INC17 citations83

US7480487B2Jan 20, 2009

Power regulation for field instruments

DRESSER INC10 citations79

US7493195B2Feb 17, 2009

Fluid regulation control

DRESSER INC0 citations36