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Birmingham, United Kingdom

Girling Limited

USPTO Granted Patents = 202

Forward Citations = 1,343

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90 inventors (with patents filed for the assignee):

Glyn P Farr (32 out of 102 patents)

David Anthony Harries (15 out of 15 patents)

Anthony W Harrison (13 out of 40 patents)

4. Malcolm Brearley (12 out of 38 patents)

5. Hugh G Margetts (12 out of 24 patents)

6. Andrew Charles Wright (8 out of 8 patents)

7. Charles Newstead (8 out of 8 patents)

8. John P Bayliss (6 out of 15 patents)

9. Horst Willi Klassen (5 out of 6 patents)

10. John F Pickering (5 out of 5 patents)

11. Alfred W Thomas (5 out of 11 patents)

12. Ivan Mortimer (4 out of 22 patents)

13. Philip A Taft (4 out of 14 patents)

14. Brian Ingram (4 out of 4 patents)

15. Patrick Frank Sawyer (4 out of 4 patents)

Core Competencies:

Hydraulic Power Boosters

Anti-Lock Brakes

Control Valve Assemblies

Disc Brakes

Servo Boosters

Drum Brakes

Fluid-Pressure Operated

Hydraulic Master Cylinders

Suspension Assemblies

Brake Actuator

Friction Pad Assemblies

Speed Measuring Systems

202 patents: Sort by Forward Citations

1. 4548037 - Hydraulic power boosters for vehicles braking systems (1985-10-22),

2. 4474004 - Power-operated boosters (1984-10-02),

3. 4382364 - Hydraulic braking systems for vehicles (1983-05-10),

4. 4377221 - Hydraulic anti-skid systems for vehicle (1983-03-22),

5. 4360238 - Control valve assembly (1982-11-23),

6. 4350230 - Drum brakes for vehicles (1982-09-21),

7. 4324101 - Hydraulic master cylinders for vehicle braking systems (1982-04-13),

8. 4320623 - Fluid-pressure operated boosters for vehicle braking systems (1982-03-23),

9. 4314731 - Control valve assembly (1982-02-09),

10. 4313302 - Hydraulic power boosters for vehicle braking systems (1982-02-02),

11. 4301895 - Disc brakes for railway vehicles (1981-11-24),

12. 4295548 - Brake actuator (1981-10-20),

13. 4289358 - Vehicle braking systems (1981-09-15),

14. 4283992 - Servo boosters (1981-08-18),

15. 4273516 - Pumps for fluids (1981-06-16),

Girling Limited, based in Birmingham, specializes in the development and manufacturing of advanced vehicle braking systems. The company focuses on a range of core technologies including hydraulic power boosters, anti-lock brakes, and various types of brake assemblies such as disc and drum brakes. With a commitment to innovation, Girling Limited plays a significant role in enhancing vehicle safety and performance through its expertise in fluid-pressure operated systems and hydraulic master cylinders.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

202 Patents

#2 in Birmingham

#81 in United Kingdom

#4,192 in the World

Birmingham, United Kingdom

Girling Limited

Forward Citations = 1,343

90 inventors:

Glyn P Farr (32 out of 102 patents)

David Anthony Harries (15 out of 15 patents)

Anthony W Harrison (13 out of 40 patents)

4. Malcolm Brearley (12 out of 38 patents)

5. Hugh G Margetts (12 out of 24 patents)

Please report any incorrect information to [email protected]

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