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Alfred Birkenbach
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Hattersheim, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic piston and process for its surface treatment
Patent number
6,807,897
Issue date
Oct 26, 2004
Bodycote Warmebehandlung GmbH
Alfred Birkenbach
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Brake piston
Patent number
6,085,636
Issue date
Jul 11, 2000
ITT Manufacturing Enterprises Inc.
Helmut Ruckert
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Piston-cylinder assembly of plastic material as well as process and...
Patent number
5,253,577
Issue date
Oct 19, 1993
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Brake pressure control device for automotive vehicles
Patent number
5,195,806
Issue date
Mar 23, 1993
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Brake power booster and master cylinder assembly with return spring...
Patent number
5,184,468
Issue date
Feb 9, 1993
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Anti-lock brake system for automotive vehicles
Patent number
5,167,441
Issue date
Dec 1, 1992
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Braking pressure control device for automotive vehicles
Patent number
5,161,863
Issue date
Nov 10, 1992
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Brake pressure control device
Patent number
5,152,378
Issue date
Oct 6, 1992
Alfred Teves GmbH
Jergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Anti-lock brake system for automotive vehicles
Patent number
5,127,713
Issue date
Jul 7, 1992
Alfred Teves GmbH
Alfred Birkenbach
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Piston-cylinder assembly of plastic material
Patent number
5,121,686
Issue date
Jun 16, 1992
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pressure control device, in particular for pressure-fluid-operable...
Patent number
4,840,433
Issue date
Jun 20, 1989
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pressure regulator, in particular, for use with pressure fluid-oper...
Patent number
4,828,329
Issue date
May 9, 1989
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pressure regulating device, in particular, for pressure fluid-opera...
Patent number
4,779,933
Issue date
Oct 25, 1988
Alfred Teves GmbH
Juergen Schonlau
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pressurized fluid supplying arrangement particularly a master cylin...
Patent number
4,566,277
Issue date
Jan 28, 1986
ITT Industries, Inc.
Alfred Birkenbach
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Multiple-circuit hydraulic brake system
Patent number
4,482,190
Issue date
Nov 13, 1984
ITT Industries, Inc.
Jochen Burgdorf
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Load-responsive braking pressure control device especially for vehi...
Patent number
4,469,378
Issue date
Sep 4, 1984
ITT Industries, Inc.
Alfred Birkenbach
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Mechanical actuating device for a spot-type disc brake
Patent number
4,374,551
Issue date
Feb 22, 1983
ITT Industries, Inc.
Alfred Birkenbach
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mechanical actuating device for a disc brake
Patent number
4,354,581
Issue date
Oct 19, 1982
ITT Industries, Inc.
Alfred Birkenbach
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Hydraulic piston and process for its surface treatment
Publication number
20020104434
Publication date
Aug 8, 2002
Alfred Birkenbach
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...