Inventor
BRUCK PETER
DE40 patents
⚠️ This page may combine multiple inventors who share the name “BRUCK PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HYDAC FLUIDTECHNIK GMBH
28 patentsUS6779558B1Aug 24, 2004
Valve, especially a pressure control valve
HYDAC FLUIDTECHNIK GMBH27 citations91
US7841360B2Nov 30, 2010
Valve, especially proportional pressure control valve
HYDAC FLUIDTECHNIK GMBH21 citations89
US9631647B2Apr 25, 2017
System for improving the energy efficiency in hydraulic systems, piston accumulator and pressure accumulator provided for such a system
HYDAC FLUIDTECHNIK GMBH8 citations84
US9915276B2Mar 13, 2018
Valve, in particular pilot-operated proportional pressure control valve
HYDAC FLUIDTECHNIK GMBH12 citations83
US7073533B2Jul 11, 2006
Pressure regulating valve, in particular proportional pressure regulating valve
HYDAC FLUIDTECHNIK GMBH16 citations82
US9677575B2Jun 13, 2017
Valve for valve assembly
HYDAC FLUIDTECHNIK GMBH9 citations78
US7040215B2May 9, 2006
Control device for a working device connected to a hydraulic circuit
HYDAC FLUIDTECHNIK GMBH8 citations74
US10323657B2Jun 18, 2019
System for improving the energy efficiency in hydraulic systems
HYDAC FLUIDTECHNIK GMBH3 citations73
US10228709B2Mar 12, 2019
Pressure-limiting valve
HYDAC FLUIDTECHNIK GMBH3 citations73
US9733651B2Aug 15, 2017
Proportional pressure-regulating valve
HYDAC FLUIDTECHNIK GMBH4 citations73
US10801638B2Oct 13, 2020
Valve, in particular a 4/2-way slide valve
HYDAC FLUIDTECHNIK GMBH4 citations72
US10054241B2Aug 21, 2018
Valve, and the use thereof for a clutch
HYDAC FLUIDTECHNIK GMBH4 citations72
US9777844B2Oct 3, 2017
Valve, in particular pilot-operated proportional directional poppet valve
HYDAC FLUIDTECHNIK GMBH5 citations72
US6439257B1Aug 27, 2002
Pressure control valve with hydrodynamic damping
HYDAC FLUIDTECHNIK GMBH8 citations72
US11268544B2Mar 8, 2022
Pressure compensator valve
HYDAC FLUIDTECHNIK GMBH0 citations62
US10584801B2Mar 10, 2020
Valve, in particular proportional pressure regulating valve
HYDAC FLUIDTECHNIK GMBH1 citations62
US7841358B2Nov 30, 2010
Modular valve system
HYDAC FLUIDTECHNIK GMBH4 citations61
US7740224B2Jun 22, 2010
Valve
HYDAC FLUIDTECHNIK GMBH4 citations60
US6786132B2Sep 7, 2004
Control device for hydraulically operated hoisting mechanisms
HYDAC FLUIDTECHNIK GMBH4 citations59
US11313387B2Apr 26, 2022
System for charging and discharging at least one hydraulic accumulator
HYDAC FLUIDTECHNIK GMBH0 citations57
US9810337B2Nov 7, 2017
Control device for selectively fluidically connecting and disconnecting fluid connection points
HYDAC FLUIDTECHNIK GMBH1 citations51
US9664291B2May 30, 2017
Valve, in particular pilot-operated proportional directional poppet valve
HYDAC FLUIDTECHNIK GMBH1 citations51
US12378977B2Aug 5, 2025
Valve for providing a fluid-conducting connection between a pressure supply port and a consumer port or between the consumer port and a return port
HYDAC FLUIDTECHNIK GMBH0 citations46
US10544869B2Jan 28, 2020
Valve
HYDAC FLUIDTECHNIK GMBH0 citations42
US10865891B2Dec 15, 2020
Device for flow force compensation
HYDAC FLUIDTECHNIK GMBH0 citations41
US10781833B2Sep 22, 2020
Hydraulic hybrid system for rotatory applications
HYDAC FLUIDTECHNIK GMBH0 citations41
US10146235B2Dec 4, 2018
Valve device
HYDAC FLUIDTECHNIK GMBH0 citations41
US12577965B2Mar 17, 2026
Electromagnetic pilot-operated proportional pressure control valve
HYDAC FLUIDTECHNIK GMBH0 citations40
BILL MARKUS
4 patentsUS8662109B2Mar 4, 2014
Proportional pressure control valve
BILL MARKUS20 citations91
US8840081B2Sep 23, 2014
Piloted valve, particularly proportional throttle valve
BILL MARKUS6 citations71
US8746276B2Jun 10, 2014
Proportional throttle valve
BILL MARKUS5 citations71
US8833729B2Sep 16, 2014
Proportional throttle valve
BILL MARKUS0 citations49