Inventor · disambiguated record
Gerd Scheffel
Also filed as: SCHEFFEL GERD
6 granted patents·40 citations·filing 1979–2012
77Inventor score
Top patents by PatentIndex Score
6 records- 0173US4311296ACartridge element controlSCHEFFEL GERD·Filed 1979·Granted Jan 19, 1982·23 cites·9 claims
- 0264US9273664B2Hydraulic control valve for a one-sided operating differential cylinder having five control edgesSCHEFFEL GERD·Filed 2011·Granted Mar 1, 2016·1 cites·11 claims
- 0340US9021797B2Energy-efficient hydraulic drive for the linear movement of a massSCHEFFEL GERD·Filed 2012·Granted May 5, 2015·0 cites·13 claims
- 0438US4739797AHydraulic piston-valve-type control valvePARKER HANNIFIN NMF GMBH·Filed 1986·Granted Apr 26, 1988·12 cites·5 claims
- 0535US7684950B2System for detecting and transmitting test data from a pressure chamber filled with a high-pressure fluidPARKER HANNIFIN CORP·Filed 2004·Granted Mar 23, 2010·0 cites·16 claims
- 0631US6116143AController for a fluid cylinderPARKER HANNIFIN GMBH·Filed 1997·Granted Sep 12, 2000·4 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →