Assignee
HYDAC FLUIDTECHNIK GMBH
DE·53 granted patents·8 pending applications·230 citations·filing 1999–2023
Top patents by PatentIndex Score
61 records- 0189US7841360B2Valve, especially proportional pressure control valveHYDAC FLUIDTECHNIK GMBH·Filed 2006·Granted Nov 30, 2010·21 cites·10 claims
- 0288US10801638B2Valve, in particular a 4/2-way slide valveHYDAC FLUIDTECHNIK GMBH·Filed 2016·Granted Oct 13, 2020·4 cites·21 claims
- 0388US9631647B2System for improving the energy efficiency in hydraulic systems, piston accumulator and pressure accumulator provided for such a systemHYDAC FLUIDTECHNIK GMBH·Filed 2012·Granted Apr 25, 2017·8 cites·30 claims
- 0487US9915276B2Valve, in particular pilot-operated proportional pressure control valveHYDAC FLUIDTECHNIK GMBH·Filed 2013·Granted Mar 13, 2018·12 cites·16 claims
- 0585US9677575B2Valve for valve assemblyHYDAC FLUIDTECHNIK GMBH·Filed 2013·Granted Jun 13, 2017·9 cites·22 claims
- 0684US10228709B2Pressure-limiting valveHYDAC FLUIDTECHNIK GMBH·Filed 2016·Granted Mar 12, 2019·3 cites·15 claims
- 0781US9777844B2Valve, in particular pilot-operated proportional directional poppet valveHYDAC FLUIDTECHNIK GMBH·Filed 2013·Granted Oct 3, 2017·5 cites·21 claims
- 0879US10400801B2Compact unitHYDAC FLUIDTECHNIK GMBH·Filed 2015·Granted Sep 3, 2019·4 cites·17 claims
- 0979US10054241B2Valve, and the use thereof for a clutchHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Aug 21, 2018·4 cites·24 claims
- 1073US10519988B2Pressure retaining valveHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Dec 31, 2019·3 cites·29 claims
- 1173US10458556B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2015·Granted Oct 29, 2019·3 cites·9 claims
- 1273US6708665B1Fluid cooling deviceHYDAC FLUIDTECHNIK GMBH·Filed 2000·Granted Mar 23, 2004·16 cites·17 claims
- 1372US9869400B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Jan 16, 2018·3 cites·20 claims
- 1472US6786709B1Gear pump with a drive and a hydraulic tankHYDAC FLUIDTECHNIK GMBH·Filed 2000·Granted Sep 7, 2004·16 cites·16 claims
- 1572US6779558B1Valve, especially a pressure control valveHYDAC FLUIDTECHNIK GMBH·Filed 2000·Granted Aug 24, 2004·27 cites·7 claims
- 1671US10323657B2System for improving the energy efficiency in hydraulic systemsHYDAC FLUIDTECHNIK GMBH·Filed 2012·Granted Jun 18, 2019·3 cites·6 claims
- 1770US9733651B2Proportional pressure-regulating valveHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Aug 15, 2017·4 cites·14 claims
- 1868US10678273B2Pressure-regulating valveHYDAC FLUIDTECHNIK GMBH·Filed 2016·Granted Jun 9, 2020·3 cites·17 claims
- 1968US9791061B2ValveHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Oct 17, 2017·5 cites·14 claims
- 2067US11442478B2Pressure control deviceHYDAC FLUIDTECHNIK GMBH·Filed 2016·Granted Sep 13, 2022·2 cites·16 claims
- 2163US12577965B2Electromagnetic pilot-operated proportional pressure control valveHYDAC FLUIDTECHNIK GMBH·Filed 2023·Granted Mar 17, 2026·0 cites·17 claims
- 2263US10584801B2Valve, in particular proportional pressure regulating valveHYDAC FLUIDTECHNIK GMBH·Filed 2016·Granted Mar 10, 2020·1 cites·14 claims
- 2363US7073533B2Pressure regulating valve, in particular proportional pressure regulating valveHYDAC FLUIDTECHNIK GMBH·Filed 2002·Granted Jul 11, 2006·16 cites·16 claims
- 2462US10400912B2Pilot-operated directional control valveHYDAC FLUIDTECHNIK GMBH·Filed 2015·Granted Sep 3, 2019·1 cites·16 claims
- 2562US9664291B2Valve, in particular pilot-operated proportional directional poppet valveHYDAC FLUIDTECHNIK GMBH·Filed 2013·Granted May 30, 2017·1 cites·24 claims
- 2662US7040215B2Control device for a working device connected to a hydraulic circuitHYDAC FLUIDTECHNIK GMBH·Filed 2002·Granted May 9, 2006·8 cites·12 claims
- 2760US2025137548A1Pilot-Control Electromagnetic ValveHYDAC FLUIDTECHNIK GMBH·Filed 2023·Application pending·0 cites
- 2859US9810337B2Control device for selectively fluidically connecting and disconnecting fluid connection pointsHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Nov 7, 2017·1 cites·21 claims
- 2959US9631643B2Device together with hydraulic system for actuating least one first hydraulic consumer and at least one second hydraulic consumerHYDAC FLUIDTECHNIK GMBH·Filed 2013·Granted Apr 25, 2017·1 cites·15 claims
- 3058US12540613B2Test deviceHYDAC FLUIDTECHNIK GMBH·Filed 2021·Granted Feb 3, 2026·0 cites·13 claims
- 3154US11268544B2Pressure compensator valveHYDAC FLUIDTECHNIK GMBH·Filed 2018·Granted Mar 8, 2022·0 cites·19 claims
- 3254US6679281B1Switching device for a machineHYDAC FLUIDTECHNIK GMBH·Filed 2000·Granted Jan 20, 2004·9 cites·23 claims
- 3354US2025257812A1ValveHYDAC FLUIDTECHNIK GMBH·Filed 2023·Application pending·0 cites
- 3453US12247556B2Pump deviceHYDAC FLUIDTECHNIK GMBH·Filed 2022·Granted Mar 11, 2025·0 cites·18 claims
- 3553US2025369458A1Volume Follow SupplyHYDAC FLUIDTECHNIK GMBH·Filed 2023·Application pending·0 cites
- 3652US6929739B2Cooling deviceHYDAC FLUIDTECHNIK GMBH·Filed 2001·Granted Aug 16, 2005·11 cites·12 claims
- 3751US12378977B2Valve for providing a fluid-conducting connection between a pressure supply port and a consumer port or between the consumer port and a return portHYDAC FLUIDTECHNIK GMBH·Filed 2022·Granted Aug 5, 2025·0 cites·18 claims
- 3851US11313387B2System for charging and discharging at least one hydraulic accumulatorHYDAC FLUIDTECHNIK GMBH·Filed 2019·Granted Apr 26, 2022·0 cites·21 claims
- 3950US2024426327A1Method for Adjusting an Actuation of a Proportional Valve for its Functional Operation as Part of a Fluid SystemHYDAC FLUIDTECHNIK GMBH·Filed 2022·Application pending·0 cites
- 4049US7841358B2Modular valve systemHYDAC FLUIDTECHNIK GMBH·Filed 2004·Granted Nov 30, 2010·4 cites·9 claims
- 4148US12241484B2ValveHYDAC FLUIDTECHNIK GMBH·Filed 2021·Granted Mar 4, 2025·0 cites·14 claims
- 4248US7740224B2ValveHYDAC FLUIDTECHNIK GMBH·Filed 2004·Granted Jun 22, 2010·4 cites·15 claims
- 4347US12104711B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2021·Granted Oct 1, 2024·0 cites·11 claims
- 4447US12027311B2Actuating deviceHYDAC FLUIDTECHNIK GMBH·Filed 2020·Granted Jul 2, 2024·0 cites·26 claims
- 4547US6786132B2Control device for hydraulically operated hoisting mechanismsHYDAC FLUIDTECHNIK GMBH·Filed 2003·Granted Sep 7, 2004·4 cites·11 claims
- 4645US11307599B2Device and valve for flow force compensationHYDAC FLUIDTECHNIK GMBH·Filed 2018·Granted Apr 19, 2022·0 cites·13 claims
- 4745US10865891B2Device for flow force compensationHYDAC FLUIDTECHNIK GMBH·Filed 2017·Granted Dec 15, 2020·0 cites·11 claims
- 4845US10146235B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Dec 4, 2018·0 cites·14 claims
- 4943US10781833B2Hydraulic hybrid system for rotatory applicationsHYDAC FLUIDTECHNIK GMBH·Filed 2012·Granted Sep 22, 2020·0 cites·16 claims
- 5043US7426884B2Circuit arrangementHYDAC FLUIDTECHNIK GMBH·Filed 2004·Granted Sep 23, 2008·4 cites·10 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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