Assignee
WALVOIL SPA
IT·17 granted patents·3 pending applications·91 citations·filing 2004–2024
Top patents by PatentIndex Score
20 records- 0187USD559749SControl lever for vehiclesWALVOIL SPA·Filed 2005·Granted Jan 15, 2008·46 cites·1 claims
- 0280US10655648B2Hydraulic valve device with multiple working sections with pump control system with by-pass lineWALVOIL SPA·Filed 2016·Granted May 19, 2020·3 cites·3 claims
- 0367US7182097B2Anti-saturation directional control valve composed of two or more sections with pressure selector compensatorsWALVOIL SPA·Filed 2004·Granted Feb 27, 2007·13 cites·9 claims
- 0463USD577359SControl lever for hydraulic systemsWALVOIL SPA·Filed 2006·Granted Sep 23, 2008·21 cites·1 claims
- 0547US11421796B2Load sensing type hydraulic system with hydraulic adjustment deviceWALVOIL SPA·Filed 2019·Granted Aug 23, 2022·0 cites·15 claims
- 0646US8375975B2Load sensing directional control valve with an element having priority under saturation conditionsWALVOIL SPA·Filed 2007·Granted Feb 19, 2013·1 cites·3 claims
- 0746US7438089B2Hydraulic pilot control unit with oscillation damping systemWALVOIL SPA·Filed 2006·Granted Oct 21, 2008·2 cites·10 claims
- 0846US7219593B2Saturation-proof hydraulic control device that is composed of two or more elementsWALVOIL SPA·Filed 2005·Granted May 22, 2007·1 cites·9 claims
- 0943USD829211SControl lever for hydraulic systemsWALVOIL SPA·Filed 2016·Granted Sep 25, 2018·4 cites·1 claims
- 1041US12247595B2Hydraulic circuit with combined compensation and energy recovery functionWALVOIL SPA·Filed 2021·Granted Mar 11, 2025·0 cites·16 claims
- 1140US11143209B2Hydraulic circuit having a combined compensation and energy recovery functionWALVOIL SPA·Filed 2020·Granted Oct 12, 2021·0 cites·15 claims
- 1239US10247209B2Control device for zero-leak directional control valvesWALVOIL SPA·Filed 2015·Granted Apr 2, 2019·0 cites·20 claims
- 1338US2025116282A1Hydraulic distributor with compensation device for directional valvesWALVOIL SPA·Filed 2024·Application pending·0 cites
- 1437US10774851B2Modular directional valve with two or more elements of mixed typeWALVOIL SPA·Filed 2016·Granted Sep 15, 2020·0 cites·2 claims
- 1535US2022373000A1Hydraulic distributor with pressure compensator for directional valvesWALVOIL SPA·Filed 2022·Application pending·0 cites
- 1634US11041514B2Hydraulic distributor with valve device with active discharge in load sensing circuitsWALVOIL SPA·Filed 2018·Granted Jun 22, 2021·0 cites·13 claims
- 1733US12117862B2Modular control apparatus for actuating hydraulic valve systemsWALVOIL SPA·Filed 2020·Granted Oct 15, 2024·0 cites·13 claims
- 1831US2018372088A1Hydraulic valve device with multiple working sections with pump control systemWALVOIL SPA·Filed 2015·Application pending·0 cites
- 1926US11860664B2Control apparatus for actuating hydraulic valve systemsWALVOIL SPA·Filed 2021·Granted Jan 2, 2024·0 cites·14 claims
- 2023US7325466B2Manipulator with electromagnetic detent for the driving servo-control of hydraulic mechanismsWALVOIL SPA·Filed 2004·Granted Feb 5, 2008·0 cites·4 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →