Inventor
BIENFANG DAVID THOMAS
US4 patents
Patents
4 patentsUS8966792B2Mar 3, 2015
Machine having dipper actuator system
CATERPILLAR INC4 citations66
US8959805B2Feb 24, 2015
Machine having dipper actuator system
CATERPILLAR INC6 citations66
US8935866B2Jan 20, 2015
Power shovel having hydraulically driven dipper actuator
CATERPILLAR INC1 citations46
US8935865B2Jan 20, 2015
Power shovel having isolated hydraulic dipper actuator
CATERPILLAR INC1 citations45