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Ames, IA, United States of America

Sauer-danfoss Inc.

USPTO Granted Patents = 170

Trademarks = 4

Forward Citations = 1,004

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142 inventors (with patents filed for the assignee):

Michael D Gandrud (15 out of 17 patents)

Frederic W Pollman (13 out of 23 patents)

Reinhardt Thoms (12 out of 23 patents)

4. Robert J Stoppek (11 out of 11 patents)

5. Carsten Fiebing (8 out of 10 patents)

6. Joseph J Schottler (7 out of 9 patents)

7. Jack Zeng (6 out of 7 patents)

8. Doug Kardell (6 out of 8 patents)

9. Michael A Betz (6 out of 14 patents)

10. Steven H Gluck (6 out of 6 patents)

11. Bernd Hames (5 out of 8 patents)

12. Michael R Olson (5 out of 5 patents)

13. Jeff L Herrin (5 out of 6 patents)

14. Robert Klinkel (5 out of 5 patents)

15. Eckhard Skirde (5 out of 9 patents)

Core Competencies:

Automated Vehicles

Hydraulic Systems

Sensing Technology

Electro-Mechanical Transmission

Hydrostatic Transmission

Pressure Control

Variable Displacement Machines

Wireless Sensors

Construction Equipment

Joystick Devices

Fluid Transmission

Radial Piston Pumps

170 patents: Sort by Forward Citations

1. 9826288 - Sensing system for an automated vehicle (2017-11-21),

2. 9637873 - Sensing system for road construction equipment (2017-05-02),

3. 9127697 - Dynamically stable pressure control system (2015-09-08),

4. 9002582 - Multi-sonic sensor (2015-04-07),

5. 8943949 - Neutral setting apparatus of an adjustable hydraulic machine (2015-02-03),

6. 8855834 - Sensing system for following a stringline (2014-10-07),

7. 8646266 - Hydraulic output drive shaft generator (2014-02-11),

8. 8646167 - Method of actuating a wireless sensor of road construction equipment (2014-02-11),

9. 8528594 - Hydraulic system with leakage fluid removal (2013-09-10),

10. 8482523 - Magnetic control device (2013-07-09),

11. 8469677 - Check valve pump with electric bypass valve (2013-06-25),

12. 8469630 - Sensor system for construction equipment having wireless sonic sensor system (2013-06-25),

13. 8443596 - Hydraulic drive with an independent charge pump (2013-05-21),

14. D678283 - Vertical grip assembly (2013-03-19),

15. 8387738 - Electro-mechanical transmission for compact vehicles (2013-03-05),

Sauer-Danfoss Inc. is a global manufacturer and supplier of hydraulic and electrohydraulic systems, components, and controls. They offer a wide range of solutions for mobile equipment used in industries such as agriculture, construction, and material handling. With their expertise in innovative technology, Sauer-Danfoss is committed to delivering efficient and reliable solutions that enhance the performance and productivity of their customers' machinery.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

170 Patents

#2 in Ames, IA

#15 in Iowa

#2,270 in US

#4,733 in the World

Ames, IA, United States of America

Sauer-danfoss Inc.

Forward Citations = 1,004

142 inventors:

Michael D Gandrud (15 out of 17 patents)

Frederic W Pollman (13 out of 23 patents)

Reinhardt Thoms (12 out of 23 patents)

4. Robert J Stoppek (11 out of 11 patents)

5. Carsten Fiebing (8 out of 10 patents)

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