Georg Gierer

This inventor holds 53 USPTO granted patents and 2 published patent applications and 9 EPO patents, primarily in Hydraulic Transmission Control (CPC class 4771). Top assignees: Zf Friedrichshafen Ag, Zahnradfabrik Friedrichshafen, Ag., Zf Freidrichshafen Ag. Active years: 1980-2016.

USPTO Granted Patents = 53 (Patent Applications = 2)

% Patents Active = 66.0

EPO Patents = 9 (Patent Applications = 4)

Average Co-Inventor Count = 2.0

ph-index = 10

Forward Citations = 296(Granted Patents)

Forward Citations (Not Self Cited) = 261(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

42 out of 3,580

Zf Friedrichshafen Ag

patents

10 out of 416

Zahnradfabrik Friedrichshafen, Ag.

patents

1 out of 5

Zf Freidrichshafen Ag

patents

Years Active: 1980-2016

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Areas of Expertise:

Transmission Device

Hydraulic Control

Automatic Transmission

Electrohydraulic Controller

Torque Converter

Clutch Control

Vehicle Drive Train

Gear Control

Fluid Dynamics

Pressure Regulating Valve

Emergency Actuation

Vibration Damper

53 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9404574 - Transmission device and method for operating a transmission device (2016-08-02),

2. 8806863 - Hydraulic transmission control (2014-08-19),

3. 8667885 - Actuating device for a shift element of a transmission device which can be applied with an actuating pressure (2014-03-11),

4. 8403806 - Oil pump for an automatic transmission and control method thereto (2013-03-26),

5. 8392080 - Process for monitoring the direction of frictional drive from a vehicle transmission at near-zero vehicle speed (2013-03-05),

6. 8311715 - Motor vehicle transmission and method for monitoring frictional engagement in same in a preset neutral or parking position (2012-11-13),

7. 8249787 - Process for monitoring the direction of frictional drive from a vehicle transmission at near-zero vehicle speed (2012-08-21),

8. 8086381 - Method for the emergency actuation of an automated double clutch transmission of a motor vehicle (2011-12-27),

9. 8070636 - Electroyhydraulic control device of a gear unit (2011-12-06),

10. 8033106 - Electrohydraulic transmission controller, transmission device, and a motor vehicle drive train (2011-10-11),

11. 8020685 - Device for the control at least of a hydraulically operable switching element of an automatic transmission (2011-09-20),

12. 7823710 - Hydraulic control system for a hydrodynamic torque converter comprising a controlled torque converter lockup clutch (2010-11-02),

13. 7794349 - Gear control device (2010-09-14),

14. 7780572 - Control valve arrangement for controlling a starting clutch of an automatic transmission (2010-08-24),

15. 7771317 - Control valve assembly for controlling a starting clutch of an automatic transmission (2010-08-10),

Title: Inventor Georg Gierer - Revolutionizing Technology in Kressbronn

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Conclusion: In conclusion, Georg Gierer's relentless pursuit of innovation and his passion for pushing the limits of technology have established him as a trailblazer in the field. His contributions continue to inspire future generations of inventors and shape the technological landscape for years to come.