Inventor

CASADA DONALD A

US6 patents

⚠️ This page may combine multiple inventors who share the name “CASADA DONALD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARTIN MARIETTA ENERGY SYSTEMS

5 patents

US5519337AMay 21, 1996

Motor monitoring method and apparatus using high frequency current components

MARTIN MARIETTA ENERGY SYSTEMS103 citations95

US5578937ANov 26, 1996

Instrument for analysis of electric motors based on slip-poles component

MARTIN MARIETTA ENERGY SYSTEMS19 citations91

US5236011AAug 17, 1993

Noninvasive valve monitor using constant magnetic and/or DC electromagnetic field

MARTIN MARIETTA ENERGY SYSTEMS36 citations91

US5483841AJan 16, 1996

Method and apparatus for monitoring motor operated valve motor output torque and power at valve seating

MARTIN MARIETTA ENERGY SYSTEMS15 citations71

US5193568AMar 16, 1993

Noninvasive valve monitor using alternating electromagnetic field

MARTIN MARIETTA ENERGY SYSTEMS16 citations71

LOCKHEED MARTIN ENERGY SYS INC

1 patent

US5487302AJan 30, 1996

Method and system for measuring gate valve clearances and seating force

LOCKHEED MARTIN ENERGY SYS INC63 citations93