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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →