Roland Levrai

Person

Stiarns, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Self-boosting pneumatic booster using a pivoting key
- Patent number 7,077,051
- Issue date Jul 18, 2006
- Robert Bosch GmbH
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Master cylinder for motor vehicle electro-hydraulic braking install...
- Patent number 6,192,685
- Issue date Feb 27, 2001
- Robert Bosch GmbH
- Philippe Bourlon
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic booster with floating reaction disc and dynamically cance...
- Patent number 6,186,042
- Issue date Feb 13, 2001
- Robert Bosch GmbH
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic brake booster with control chamber
- Patent number 6,116,141
- Issue date Sep 12, 2000
- Bosch Systemes de Freinage
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic servomotor with dynamically variable mechanical reaction
- Patent number 6,109,163
- Issue date Aug 29, 2000
- Bosch Systemes de Freinage
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic brake servo with an improved valve
- Patent number 5,878,577
- Issue date Mar 9, 1999
- Bosch Systems De Freinage
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Braking assistance pneumatic servomotor with improved valve
- Patent number 5,848,827
- Issue date Dec 15, 1998
- Bosch Systems De Freinage
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic uphill anti-runback device
- Patent number 5,493,949
- Issue date Feb 27, 1996
- Bendix Europe Services Techniques
- Philippe Castel
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake-booster device with slowed hydraulic reaction
- Patent number 5,475,977
- Issue date Dec 19, 1995
- Allied Signal Europe Services Techniques
- Jean Pierre Gautier
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Booster brake device with concealed travel
- Patent number 5,475,978
- Issue date Dec 19, 1995
- AlliedSignal Europe Services Techniques
- Jean Pierre Gautier
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic booster
- Patent number 5,425,302
- Issue date Jun 20, 1995
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic assembly for conversion of a pressure of a brake fluid
- Patent number 5,226,693
- Issue date Jul 13, 1993
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake-pressure reduction means for a motor vehicle
- Patent number 5,205,621
- Issue date Apr 27, 1993
- Bendix Europe Services Techniques
- Patrice Moinard
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake compensator for a motor vehicle
- Patent number 5,186,523
- Issue date Feb 16, 1993
- Bendix Europe Services Techniques
- Alain Thioux
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake pressure proportioning valve with an additional valve
- Patent number 5,176,434
- Issue date Jan 5, 1993
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake-booster with adjustable jump and process for adjusting the jump
- Patent number 5,176,063
- Issue date Jan 5, 1993
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Vacuum booster with electromagnetic valve control
- Patent number 5,172,964
- Issue date Dec 22, 1992
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Load sensing proportioning valve
- Patent number 5,154,492
- Issue date Oct 13, 1992
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Load sensing supporting member for a suspension spring
- Patent number 5,094,510
- Issue date Mar 10, 1992
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control device of a brake booster, applying additional force when a...
- Patent number 5,046,314
- Issue date Sep 10, 1991
- Bendix France
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake regulator
- Patent number 5,028,094
- Issue date Jul 2, 1991
- Bendix Europe Services Techniques
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Dual brake compensator
- Patent number 5,005,914
- Issue date Apr 9, 1991
- Bendix France
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tandem hydraulic pressure transmitter device
- Patent number 4,996,843
- Issue date Mar 5, 1991
- Bendix France
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Braking corrector governed by the height of a vehicle
- Patent number 4,984,853
- Issue date Jan 15, 1991
- Bendix Europe Services Techniques
- Alain Thioux
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Device for detecting the position of a member movable inside a stat...
- Patent number 4,978,820
- Issue date Dec 18, 1990
- Bendix France
- Roland Levrai
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Brake corrector subject to the load of a vehicle
- Patent number 4,828,330
- Issue date May 9, 1989
- Bendix France
- Franck Bequet
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Brake corrector subject to the load of a vehicle
- Patent number 4,824,180
- Issue date Apr 25, 1989
- Bendix France
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Tandem brake pressure control valve with pressure-failure-compensat...
- Patent number 4,798,127
- Issue date Jan 17, 1989
- Bendix France
- Roland Levrai
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Hydraulic assistance device
- Patent number 4,709,550
- Issue date Dec 1, 1987
- Societe Anonyme DBA
- Jean P. Sauvee
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Deceleration responsive braking corrector
- Patent number 4,673,223
- Issue date Jun 16, 1987
- Bendix France
- Jean-Jacques Carre
- B60 - VEHICLES IN GENERAL

Roland Levrai

Person

Patents Grantslast 30 patents

Self-boosting pneumatic booster using a pivoting key

Master cylinder for motor vehicle electro-hydraulic braking install...

Pneumatic booster with floating reaction disc and dynamically cance...

Pneumatic brake booster with control chamber

Pneumatic servomotor with dynamically variable mechanical reaction

Pneumatic brake servo with an improved valve

Braking assistance pneumatic servomotor with improved valve

Pneumatic uphill anti-runback device

Brake-booster device with slowed hydraulic reaction

Booster brake device with concealed travel

Pneumatic booster

Hydraulic assembly for conversion of a pressure of a brake fluid

Brake-pressure reduction means for a motor vehicle

Brake compensator for a motor vehicle

Brake pressure proportioning valve with an additional valve

Brake-booster with adjustable jump and process for adjusting the jump

Vacuum booster with electromagnetic valve control

Load sensing proportioning valve

Load sensing supporting member for a suspension spring

Control device of a brake booster, applying additional force when a...

Brake regulator

Dual brake compensator

Tandem hydraulic pressure transmitter device

Braking corrector governed by the height of a vehicle

Device for detecting the position of a member movable inside a stat...

Brake corrector subject to the load of a vehicle

Brake corrector subject to the load of a vehicle

Tandem brake pressure control valve with pressure-failure-compensat...

Hydraulic assistance device

Deceleration responsive braking corrector