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Freiburg, Germany

Litef Gmbh

USPTO Granted Patents = 75

CIPO Patents = 8

Trademarks = 2

Forward Citations = 704

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70 inventors (with patents filed for the assignee):

Eberhard Handrich (14 out of 14 patents)

Guenter Spahlinger (8 out of 16 patents)

Werner Schroeder (8 out of 8 patents)

4. Bruno F Ryrko (7 out of 7 patents)

5. Gunter Spahlinger (6 out of 7 patents)

6. Uwe Breng (5 out of 7 patents)

7. Sven Voigt (5 out of 9 patents)

8. Manfred Kemmler (5 out of 5 patents)

9. Martin Hafen (5 out of 6 patents)

10. Wolfgang Hassenpflug (5 out of 5 patents)

11. Maik Wiemer (3 out of 6 patents)

12. Werner Schroder (3 out of 3 patents)

13. Thomas Gessner (2 out of 18 patents)

14. Peter Leinfelder (2 out of 7 patents)

15. Wolfram Geiger (2 out of 10 patents)

Core Competencies:

Micromechanical Components

Coriolis Gyroscope

Fiber-Optic Devices

Digital Phase Modulator

Sagnac Interferometer

Acceleration Measurement

Navigation Systems

Optical Interferometry

Bias Error Compensation

Pulse Modulation Techniques

Micromechanical Sensors

Thermoelectric Devices

75 patents: Sort by Forward Citations

1. 7964428 - Micromechanical component and method for fabricating a micromechanical component (2011-06-21),

2. 7961373 - High-resolution digital phase modulator for a fiber-optic signal transmission or measurement device (2011-06-14),

3. 7805993 - Operating method for a Coriolis gyro, and evaluation/control electronics which are suitable for this purpose (2010-10-05),

4. 7639757 - Pulse modulator and pulse modulation method (2009-12-29),

5. 7490015 - Method for controlling/regulating a physical quantity of a dynamic system, in particular a micromechanical sensor (2009-02-10),

6. 7481110 - Method for quadrature-bias compensation in a Coriolis gyro, as well as a Coriolis gyro which is suitable for this purpose (2009-01-27),

7. 7469075 - Digital phase modulator for a fiber-optic device (2008-12-23),

8. 7340954 - Method for measurement of rotation rates/accelerations using a rotation rate coriolis gyro, as well as a coriolis gyro which is suitable for this purpose (2008-03-11),

9. 7337665 - Method for electronically tuning the readout vibration of a coriolis gyroscope (2008-03-04),

10. 7324206 - Method for determination/compensation of bias errors/random walk errors induced by the light source in fiber-optic Sagnac interferometers (2008-01-29),

11. 7283246 - Method for regulating the operating frequency and multifunctional integrated circuit chip for a fiber-optic gyroscope (2007-10-16),

12. 7278312 - Method for electronic tuning of the read oscillation frequency of a coriolis gyro (2007-10-09),

13. 7249488 - Method for detecting a zero-point error of a coriolis gyroscope and coriolis gyroscope using said method (2007-07-31),

14. 7246512 - Method for determining a zero-point error in a vibratory gyroscope (2007-07-24),

15. 7231823 - Method for electronically adjusting the selective oscillation frequency of a Coriolis gyro (2007-06-19),

LITEF GmbH is a leading provider of innovative navigation and stabilization solutions for various industries, including aerospace, defense, and transportation. With our advanced technologies and extensive expertise, we develop high-precision inertial sensors, systems, and software solutions. Our reliable and accurate products, such as gyroscopes, accelerometers, and navigation systems, ensure precise positioning, guidance, and stabilization in critical applications. LITEF GmbH continually strives for excellence, delivering cutting-edge solutions that meet the evolving needs of our global customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

75 Patents

#4 in Freiburg

#777 in Germany

#9,611 in the World

Freiburg, Germany

Litef Gmbh

Forward Citations = 704

70 inventors:

Eberhard Handrich (14 out of 14 patents)

Guenter Spahlinger (8 out of 16 patents)

Werner Schroeder (8 out of 8 patents)

4. Bruno F Ryrko (7 out of 7 patents)

5. Gunter Spahlinger (6 out of 7 patents)

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