ZL

Zilek Liberfarb

HY Hydraforce: 5 patents #2 of 29Top 7%
PA Parker-Hannifin: 4 patents #170 of 1,656Top 15%
FI Fluid Power Industries: 2 patents #2 of 8Top 25%
Overall (All Time): #425,922 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7261030 Method and system for improving stability of hydraulic systems with load sense Aleksandr Gershik, Michael Cannestra 2007-08-28
7063100 Flow regulator with pressure relief combination valve 2006-06-20
6966329 Proportional pilot-operated flow control valve 2005-11-22
6926033 Proportional pressure control valve Louis C. Harms 2005-08-09
6571828 Proportional pressure control valve Louis C. Harms 2003-06-03
6405746 Proportional pressure control valve Louis C. Harms 2002-06-18
6286535 Proportional pressure control valve Louis C. Harms 2001-09-11
6167906 Bi-directional flow control valve 2001-01-02
6116263 Proportional priority flow regulator with reverse flow control 2000-09-12
5836335 Proportional pressure control valve Louis C. Harms 1998-11-17
5564676 Solenoid valve assembly C. Nickolas Goloff, Joseph Patrick Reilly, Ronald E. Trost 1996-10-15
4270349 Distributing device of vehicle hydraulic control system Boris A. Ljubimov, Evgeny N. Chervyakov, Jury I. Sudakov, Iraida S. Pogorelova, Petr Y. Pritsker +1 more 1981-06-02