Inventor · disambiguated record
Frank Schulz
Also filed as: SCHULZ FRANK · SCHULZ JR FRANK C
19 granted patents·3 pending applications·84 citations·filing 1982–2023
92Inventor score
Files withHYDAC FLUIDTECHNIK GMBH16BRUCK PETER2SCHULZ FRANK2BARTON MINES CORP INC1SCHULZ JR FRANK C1
Top patents by PatentIndex Score
22 records- 0195US9453518B2Proportional pressure-regulating valveSCHULZ FRANK·Filed 2012·Granted Sep 27, 2016·36 cites·17 claims
- 0288US9631647B2System 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
- 0379US9115730B2Valve deviceSCHULZ FRANK·Filed 2011·Granted Aug 25, 2015·6 cites·23 claims
- 0474US9004105B2Valve deviceBRUCK PETER·Filed 2011·Granted Apr 14, 2015·5 cites·12 claims
- 0573US10458556B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2015·Granted Oct 29, 2019·3 cites·9 claims
- 0672US9869400B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Jan 16, 2018·3 cites·20 claims
- 0771US10323657B2System for improving the energy efficiency in hydraulic systemsHYDAC FLUIDTECHNIK GMBH·Filed 2012·Granted Jun 18, 2019·3 cites·6 claims
- 0868US9791061B2ValveHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Oct 17, 2017·5 cites·14 claims
- 0967US11442478B2Pressure control deviceHYDAC FLUIDTECHNIK GMBH·Filed 2016·Granted Sep 13, 2022·2 cites·16 claims
- 1062US10400912B2Pilot-operated directional control valveHYDAC FLUIDTECHNIK GMBH·Filed 2015·Granted Sep 3, 2019·1 cites·16 claims
- 1160US2025137548A1Pilot-Control Electromagnetic ValveHYDAC FLUIDTECHNIK GMBH·Filed 2023·Application pending·0 cites
- 1254US11268544B2Pressure compensator valveHYDAC FLUIDTECHNIK GMBH·Filed 2018·Granted Mar 8, 2022·0 cites·19 claims
- 1346US9476514B2Valve, in particular a pressure regulating valve or pressure limiting valveBRUCK PETER·Filed 2012·Granted Oct 25, 2016·0 cites·21 claims
- 1445US11307599B2Device and valve for flow force compensationHYDAC FLUIDTECHNIK GMBH·Filed 2018·Granted Apr 19, 2022·0 cites·13 claims
- 1545US10865891B2Device for flow force compensationHYDAC FLUIDTECHNIK GMBH·Filed 2017·Granted Dec 15, 2020·0 cites·11 claims
- 1645US10146235B2Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2014·Granted Dec 4, 2018·0 cites·14 claims
- 1743US10781833B2Hydraulic hybrid system for rotatory applicationsHYDAC FLUIDTECHNIK GMBH·Filed 2012·Granted Sep 22, 2020·0 cites·16 claims
- 1841US9709180B2Directional poppet valveHYDAC FLUIDTECHNIK GMBH·Filed 2012·Granted Jul 18, 2017·0 cites·5 claims
- 1939US4556297AOptical counting deviceBARTON MINES CORP INC·Filed 1983·Granted Dec 3, 1985·8 cites·6 claims
- 2039US2020378409A1Valve deviceHYDAC FLUIDTECHNIK GMBH·Filed 2019·Application pending·0 cites
- 2136US2017159832A1Proportional pressure control valveHYDAC FLUIDTECHNIK GMBH·Filed 2015·Application pending·0 cites
- 2228US4446725AVolumetric analysis device for determining the dry rubber content of latexSCHULZ JR FRANK C·Filed 1982·Granted May 8, 1984·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →