Inventor
BERGQUIST ULF
CA4 patents
Patents
4 patentsUS7249457B2Jul 31, 2007
Hydraulic gravitational load energy recuperation
TIMBERJACK INC24 citations87
US6557453B2May 6, 2003
Hydraulic boom control
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US7481051B2Jan 27, 2009
Tree feller power management
TIMBERJACK INC9 citations80
US7165397B2Jan 23, 2007
Anti-stall pilot pressure control system for open center systems
TIMBERJACK INC17 citations79