Inventor · disambiguated record
Ewald May
Also filed as: MAY EWALD
9 granted patents·2 pending applications·159 citations·filing 1987–2007
89Inventor score
Files withGKN SINTER METALS GMBH6BILSTEIN AUGUST GMBH CO KG1KREBSOEGE SINTERHOLDING GMBH1KRUPP BILSTEIN GMBH1RINGSDORFF WERKE GMBH1
Top patents by PatentIndex Score
11 records- 0187US5259294AShock-absorbing piston made up of dissimilar joined parts, blank for the piston and method for manufacturing the pistonRINGSDORFF WERKE GMBH·Filed 1992·Granted Nov 9, 1993·58 cites·28 claims
- 0283US7310876B2Method for making a piston bodyGKN SINTER METALS GMBH·Filed 2005·Granted Dec 25, 2007·10 cites·12 claims
- 0370US6591948B2Piston with support webs for a piston-cylinder arrangement, in particular a shock absorber pistonGKN SINTER METALS GMBH·Filed 2001·Granted Jul 15, 2003·15 cites·13 claims
- 0470US6481336B2Piston with pressure-dependent sealing effect for a piston-cylinder arrangement, in particular a shock absorber pistonGKN SINTER METALS GMBH·Filed 2001·Granted Nov 19, 2002·14 cites·19 claims
- 0570US4830152AShock absorber pistonBILSTEIN AUGUST GMBH CO KG·Filed 1987·Granted May 16, 1989·32 cites·16 claims
- 0662US7178237B2Piston for a piston-cylinder arrangement, in particular a shock absorber pistonGKN SINTER METALS GMBH·Filed 2004·Granted Feb 20, 2007·8 cites·6 claims
- 0757US6928923B2Piston with supporting connector elements for a piston-cylinder arrangement, in particular a shock absorber pistonGKN SINTER METALS GMBH·Filed 2003·Granted Aug 16, 2005·7 cites·7 claims
- 0852US2008289491A1Powder-Metallurgically Produced Piston Body Comprising Support WebsGKN SINTER METALS GMBH·Filed 2007·Application pending·0 cites
- 0947US6101713AMethod of calibrating a pre-formed recessKREBSOEGE SINTERHOLDING GMBH·Filed 1997·Granted Aug 15, 2000·15 cites·4 claims
- 1038US2002046651A1Piston for a piston-cylinder arrangement, in particular a shock absorber pistonFiled 2001·Application pending·0 cites
- 1124US6450084B1Piston with piston ringKRUPP BILSTEIN GMBH·Filed 1998·Granted Sep 17, 2002·0 cites·4 claims
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