UB

Ulf Bergquist

TI Timberjack: 4 patents #3 of 20Top 15%
Overall (All Time): #1,246,272 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7481051 Tree feller power management 2009-01-27
7249457 Hydraulic gravitational load energy recuperation Calin Raszga, Jeffrey Girard 2007-07-31
7165397 Anti-stall pilot pressure control system for open center systems Calin Raszga, Jeffrey Girard 2007-01-23
6557453 Hydraulic boom control Marko Paakkunainen 2003-05-06