Assignee
HYDRAFORCE INC
US·22 granted patents·8 pending applications·363 citations·filing 1999–2024
Top patents by PatentIndex Score
30 records- 0192US7921880B2Three-way poppet valve with intermediate pilot portHYDRAFORCE INC·Filed 2007·Granted Apr 12, 2011·39 cites·18 claims
- 0287US12234842B2Pressure control valve with reduced pilot flow and hydraulic control system with the sameHYDRAFORCE INC·Filed 2022·Granted Feb 25, 2025·2 cites·30 claims
- 0386US6966329B2Proportional pilot-operated flow control valveHYDRAFORCE INC·Filed 2004·Granted Nov 22, 2005·54 cites·16 claims
- 0484US10378559B2Hydraulic suspension for vehicle and multi-functional proportional control valve for the sameHYDRAFORCE INC·Filed 2017·Granted Aug 13, 2019·3 cites·16 claims
- 0583US7063100B2Flow regulator with pressure relief combination valveHYDRAFORCE INC·Filed 2004·Granted Jun 20, 2006·45 cites·17 claims
- 0683US6805155B2Cartridge relief valve with improved stabilityHYDRAFORCE INC·Filed 2002·Granted Oct 19, 2004·25 cites·2 claims
- 0783US6267350B1Valve having a mechanism for controlling a nonlinear forceHYDRAFORCE INC·Filed 2000·Granted Jul 31, 2001·32 cites·38 claims
- 0881US7261030B2Method and system for improving stability of hydraulic systems with load senseHYDRAFORCE INC·Filed 2005·Granted Aug 28, 2007·16 cites·12 claims
- 0979US6789570B2Hydraulic valve with a position sensorHYDRAFORCE INC·Filed 2002·Granted Sep 14, 2004·34 cites·16 claims
- 1078US7069945B2Cartridge relief valve with improved stabilityHYDRAFORCE INC·Filed 2004·Granted Jul 4, 2006·19 cites·10 claims
- 1177US6167906B1Bi-directional flow control valveHYDRAFORCE INC·Filed 1999·Granted Jan 2, 2001·25 cites·13 claims
- 1276US10641298B2Hydraulic control valve for controlling pressure drop across motorsHYDRAFORCE INC·Filed 2017·Granted May 5, 2020·2 cites·19 claims
- 1376US6554014B2Proportional pilot operated directional valveHYDRAFORCE INC·Filed 2001·Granted Apr 29, 2003·29 cites·37 claims
- 1474US12012978B2Hydraulic cartridge valve with position monitoring mechanism and hydraulic control system and methodHYDRAFORCE INC·Filed 2021·Granted Jun 18, 2024·1 cites·8 claims
- 1570US7137406B2Self-cleaning filterHYDRAFORCE INC·Filed 2003·Granted Nov 21, 2006·17 cites·27 claims
- 1670US2024337278A1Hydraulic cartridge valve with position monitoring mechanism and hydraulic control system and methodHYDRAFORCE INC·Filed 2024·Application pending·0 cites
- 1769US6116263AProportional priority flow regulator with reverse flow controlHYDRAFORCE INC·Filed 1999·Granted Sep 12, 2000·19 cites·15 claims
- 1866US2024255008A1Hydraulic control system and method with electro-proportional pressure valve and integral checkHYDRAFORCE INC·Filed 2024·Application pending·0 cites
- 1961US2024240657A1Hydraulic control valve with visual identification systemHYDRAFORCE INC·Filed 2024·Application pending·0 cites
- 2058US12181055B2Hydraulic balancing control valve and ride control system incorporatng sameHYDRAFORCE INC·Filed 2021·Granted Dec 31, 2024·0 cites·20 claims
- 2157US11953031B2Hydraulic control system and method with electro-proportional pressure valve and integral checkHYDRAFORCE INC·Filed 2021·Granted Apr 9, 2024·0 cites·13 claims
- 2256US9964965B2Method of controlling proportional motion control valveHYDRAFORCE INC·Filed 2014·Granted May 8, 2018·1 cites·12 claims
- 2352US11946496B2Hydraulic control valve with visual identification systemHYDRAFORCE INC·Filed 2019·Granted Apr 2, 2024·0 cites·19 claims
- 2449US11187330B2Hydraulic balancing control valve and ride control system incorporating sameHYDRAFORCE INC·Filed 2019·Granted Nov 30, 2021·0 cites·21 claims
- 2545US10626986B2Hydraulic motor drive system for controlling high inertial load rotary componentsHYDRAFORCE INC·Filed 2017·Granted Apr 21, 2020·0 cites·26 claims
- 2639US2004129322A1Pressure control valve for controlling two pressure load pathsHYDRAFORCE INC·Filed 2003·Application pending·0 cites
- 2735US2021123462A1Hydraulic actuator system having dynamic load sense boost valveHYDRAFORCE INC·Filed 2020·Application pending·0 cites
- 2834US2018073524A1Hydraulic actuator control systemHYDRAFORCE INC·Filed 2017·Application pending·0 cites
- 2933US2004089830A1Manually operated hydraulic valve with a position detentHYDRAFORCE INC·Filed 2003·Application pending·0 cites
- 3033US2018112686A1Hydraulic actuator system of vehicle having secondary load-holding valve with tank connectionHYDRAFORCE INC·Filed 2017·Application pending·0 cites
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