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For the Inventor, By the Inventor

Ames, IA, United States of America

Sauer Gmbh


USPTO Granted Patents = 95

% Expired Patents = 4.2



Trademarks = 2

Forward Citations = 973

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63 inventors (with patents filed for the assignee):

goldMedal Alan W Johnson (12 out of 39 patents)

silverMedal Joseph E Louis (9 out of 15 patents)

bronzeMedal Michael A Betz (8 out of 14 patents)

4.  Kerry G Geringer (8 out of 9 patents)

5.  Jens Ketelaer (7 out of 9 patents)

6.  Martin Reisacher (6 out of 14 patents)

7.  Peter Hildebrand (5 out of 16 patents)

8.  Wilhelm Gollner (5 out of 10 patents)

9.  Jeffrey C Hansell (5 out of 6 patents)

10.  Eckhard Skirde (4 out of 9 patents)

11.  Thomas A Rosskopf (4 out of 4 patents)

12.  William L Welscher (4 out of 4 patents)

13.  Andreas Abt (3 out of 4 patents)

14.  Martin J Oosterhuis (3 out of 9 patents)

15.  Michael Kuhl (3 out of 10 patents)


Core Competencies:
Hydrostatic Transmission
Laser Machining
Vibration Control
Machine Tool
Hydraulic Motor
Optical Module
Cutting Insert
Ultrasonic Vibration
Control System
Power Takeoff
Displacement Control
Hydraulic Drive

95 patents:

1. 12251774 - Device for process monitoring in a deposition welding method (2025-03-18),
2. 11927825 - Exchangeable optical module for a laser machining machine (2024-03-12),
3. 11731215 - Machine tool for build-up welding (2023-08-22),
4. 11618099 - Device for process monitoring in a deposition welding method (2023-04-04),
5. 11612953 - Method for reducing or completely closing an opening of an inner contour of a workpiece by means of a material melted by a laser deposition welding device (2023-03-28),
6. 11504805 - Method for machining a workpiece surface by means of a laser (2022-11-22),
7. 11478881 - Optical module having a device for automatically changing a collimation optic (2022-10-25),
8. 11376690 - Laser machine tool having suction system (2022-07-05),
9. 11331748 - Method for machining a cutting insert and corresponding device for machining a cutting insert (2022-05-17),
10. 11292095 - Spindle device and machine tool having a spindle device (2022-04-05),
11. 10821568 - Method and device for determining a vibration amplitude of a tool (2020-11-03),
12. 10809123 - Device for generating an ultrasonic vibration of a tool and for measuring vibration parameters (2020-10-20),
13. 10730158 - Method and device for measuring a resonance frequency of a tool set in ultrasonic vibration for machining (2020-08-04),
14. 10678219 - Method and device for processing a workpiece on a numerically controlled machine tool (2020-06-09),
15. 10596666 - Coupling system for use with a spindle apparatus of a machine tool (2020-03-24),
Sauer GmbH, headquartered in Ames, IA, specializes in advanced hydrostatic transmission systems, focusing on enhancing efficiency and performance in various applications. The company is recognized for its expertise in laser machining, vibration control, and the development of hydraulic motors and optical modules. With a commitment to innovation, Sauer GmbH also explores cutting-edge technologies such as ultrasonic vibration and precision cutting inserts, positioning itself as a leader in the machine tool sector.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Sauer Gmbh
95 Patents

#4 in Ames, IA

#27 in Iowa

#3,934 in US

#8,088 in the World

Ames, IA (US)
Ames, IA, United States of America

Sauer Gmbh

Forward Citations = 973

63 inventors:

goldMedal Alan W Johnson (12 out of 39 patents)

silverMedal Joseph E Louis (9 out of 15 patents)

bronzeMedal Michael A Betz (8 out of 14 patents)

4.  Kerry G Geringer (8 out of 9 patents)

5.  Jens Ketelaer (7 out of 9 patents)

Please report any incorrect information to [email protected]
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