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Skf Kugellagerfabriken Gmbh

USPTO Granted Patents = 197

Forward Citations = 1,568

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129 inventors (with patents filed for the assignee):

Manfred Brandenstein (103 out of 181 patents)

Armin Olschewski (82 out of 161 patents)

Lothar Walter (78 out of 116 patents)

4. Horst M Ernst (45 out of 77 patents)

5. Heinrich Kunkel (21 out of 31 patents)

6. Rudiger Hans (20 out of 31 patents)

7. Roland Haas (16 out of 43 patents)

8. Peter Horling (13 out of 33 patents)

9. Herbert Dobhan (12 out of 16 patents)

10. Rainer Schurger (9 out of 31 patents)

11. Hermann Hetterich (9 out of 12 patents)

12. Walter Reith (9 out of 10 patents)

13. Wolfgang Friedrich (8 out of 18 patents)

14. Bernhard Bauer (7 out of 22 patents)

15. Gerhard Herrmann (6 out of 20 patents)

Core Competencies:

Drive Device

Bearing Arrangement

Universal Joint

Tension Roller

Clutch Release

Rolling Bearings

Hydraulic Release

Cage for Bearings

Lubricating Bearings

Snap Ring

Heat Treated Bearings

Machine Element Fastening

197 patents: Sort by Forward Citations

1. 4955786 - Drive device for pumps (1990-09-11),

2. 4729252 - Bearing for the shaft of a machine element (1988-03-08),

3. 4712928 - Ring fastener for machine parts (1987-12-15),

4. 4673301 - Supporting member (1987-06-16),

5. 4654181 - Method for the manufacture of rollers (1987-03-31),

6. 4640632 - Arrangement for the axial positioning and holding of a machine part in a (1987-02-03),

7. 4635331 - Method for the production of a guide rail (1987-01-13),

8. 4633695 - Tool for the separation of tubes (1987-01-06),

9. 4621402 - Apparatus and method for assembling universal joints (1986-11-11),

10. 4618335 - Tension-adjusting device for driving belt (1986-10-21),

11. 4611932 - Bearing bushing for universal joints (1986-09-16),

12. 4610646 - Roller, especially a tension roller for a belt drive (1986-09-09),

13. 4607737 - Hydraulically operating release arrangement, especially for a vehicle (1986-08-26),

14. 4605321 - Roller bearing for seating a pedal bearing shaft (1986-08-12),

15. 4605113 - Clutch release, in particular for automobile clutches (1986-08-12),

SKF Kugellagerfabriken GmbH is a Germany-based company specializing in the production and distribution of ball bearings. With a rich history dating back to 1907, SKF has become a global leader in the engineering and manufacturing of high-quality bearings and related products. Their extensive product portfolio includes a wide range of bearings, seals, lubrication systems, and services for various industries such as automotive, industrial, and aerospace. With a commitment to innovation, quality, and customer satisfaction, SKF continues to provide reliable and efficient solutions to meet the evolving needs of their customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

197 Patents

#5 in

#338 in Germany

#4,164 in the World

Skf Kugellagerfabriken Gmbh

Forward Citations = 1,568

129 inventors:

Manfred Brandenstein (103 out of 181 patents)

Armin Olschewski (82 out of 161 patents)

Lothar Walter (78 out of 116 patents)

4. Horst M Ernst (45 out of 77 patents)

5. Heinrich Kunkel (21 out of 31 patents)

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