Ewald May

Person

Bonn, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for making a piston body
- Patent number 7,310,876
- Issue date Dec 25, 2007
- GKN Sinter Metals GmbH
- Ewald May
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Piston for a piston-cylinder arrangement, in particular a shock abs...
- Patent number 7,178,237
- Issue date Feb 20, 2007
- GKN Sinter Metals GmbH
- Antonio Casellas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston with supporting connector elements for a piston-cylinder arr...
- Patent number 6,928,923
- Issue date Aug 16, 2005
- GKN Sinter Metals GmbH
- Ewald May
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston with support webs for a piston-cylinder arrangement, in part...
- Patent number 6,591,948
- Issue date Jul 15, 2003
- GKN Sinter Metals GmbH
- Antonio Casellas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Piston with pressure-dependent sealing effect for a piston-cylinder...
- Patent number 6,481,336
- Issue date Nov 19, 2002
- GKN Sinter Metals GmbH
- Ewald May
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Piston with piston ring
- Patent number 6,450,084
- Issue date Sep 17, 2002
- Krupp Bilstein GmbH
- Hans-Joachim Betsch
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of calibrating a pre-formed recess
- Patent number 6,101,713
- Issue date Aug 15, 2000
- Krebsoge Sinterholding GmbH
- Ewald May
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Shock-absorbing piston made up of dissimilar joined parts, blank fo...
- Patent number 5,259,294
- Issue date Nov 9, 1993
- Ringsdorff-Werke GmbH
- Ewald May
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shock absorber piston
- Patent number 4,830,152
- Issue date May 16, 1989
- August Bilstein GmbH & Co.
- Max-Otto Rauert
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Powder-Metallurgically Produced Piston Body Comprising Support Webs
- Publication number 20080289491
- Publication date Nov 27, 2008
- GKN SINTER METALS GMBH
- Ewald May
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Powder-metallurgically produced piston body comprising support webs...
- Publication number 20050167220
- Publication date Aug 4, 2005
- Ewald May
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Piston for a piston-cylinder arrangement, in particular a shock abs...
- Publication number 20050145457
- Publication date Jul 7, 2005
- GKN Sinter Metals GMBH
- Antonio Casellas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Piston with supporting connector elements for a piston-cylinder arr...
- Publication number 20040079599
- Publication date Apr 29, 2004
- Ewald May
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Piston with support webs for a piston-cylinder arrangement, in part...
- Publication number 20020117366
- Publication date Aug 29, 2002
- Antonio Casellas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Piston with pressure-dependent sealing effect for a piston-cylinder...
- Publication number 20020056368
- Publication date May 16, 2002
- Ewald May
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Piston for a piston-cylinder arrangement, in particular a shock abs...
- Publication number 20020046651
- Publication date Apr 25, 2002
- Antonio Casellas
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Person

Patents Grantslast 30 patents

Method for making a piston body

Piston for a piston-cylinder arrangement, in particular a shock abs...

Piston with supporting connector elements for a piston-cylinder arr...

Piston with support webs for a piston-cylinder arrangement, in part...

Piston with pressure-dependent sealing effect for a piston-cylinder...

Piston with piston ring

Method of calibrating a pre-formed recess

Shock-absorbing piston made up of dissimilar joined parts, blank fo...

Shock absorber piston

Patents Applicationslast 30 patents

Powder-Metallurgically Produced Piston Body Comprising Support Webs

Powder-metallurgically produced piston body comprising support webs...

Piston for a piston-cylinder arrangement, in particular a shock abs...

Piston with supporting connector elements for a piston-cylinder arr...

Piston with support webs for a piston-cylinder arrangement, in part...

Piston with pressure-dependent sealing effect for a piston-cylinder...

Piston for a piston-cylinder arrangement, in particular a shock abs...