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For the Inventor, By the Inventor

Solingen, Germany

C. Rob. Hammerstein Gmbh & Co Kg


USPTO Granted Patents = 122


Forward Citations = 1,125

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90 inventors (with patents filed for the assignee):

goldMedal Burckhard Becker (68 out of 104 patents)

silverMedal Wilfried Beneker (54 out of 59 patents)

bronzeMedal Ernst-Reiner Frohnhaus (14 out of 39 patents)

4.  Robert Houston (13 out of 15 patents)

5.  Burkhard Becker (10 out of 13 patents)

6.  Heinz Bauer (9 out of 31 patents)

7.  Reinhard Vogel (8 out of 9 patents)

8.  Antal Teer (6 out of 11 patents)

9.  Ulrich Karthaus (6 out of 8 patents)

10.  Van-Toan Ho (5 out of 7 patents)

11.  Nils Magnus (5 out of 9 patents)

12.  Robert Landskron (4 out of 6 patents)

13.  Axel Speck (4 out of 4 patents)

14.  Daniel Urban (4 out of 5 patents)

15.  Wilhelm Wingensiefen (4 out of 6 patents)


Core Competencies:
Vehicle Seat Adjustment
Longitudinal Adjustment Device
Motor Vehicle Seat
Seat Frame
Adjusting Drive
Locking Device
Height Adjustable Seat
Clamping Roller Freewheel
Actuator Mechanism
Wobble Joint Fitting
Spindle Drive
Seat Underframe

122 patents:

1. 9956596 - Method and device for producing a sliding rail of a longitudinal adjustment device of a vehicle seat (2018-05-01),
2. 9676298 - Longitudinal adjustment device for a motor vehicle seat, comprising two pairs of rails (2017-06-13),
3. 9623768 - Holding device for an adjustment drive of a motor vehicle seat (2017-04-18),
4. 9561739 - Method and attachment element for mounting a vehicle seat (2017-02-07),
5. 9546716 - Adjusting drive and method for producing an adjusting drive (2017-01-17),
6. 9545861 - Method and device for producing a locking device and locking device for a longitudinal adjustment mechanism of a vehicle seat (2017-01-17),
7. 9533610 - Seat frame of a motor vehicle seat with two side parts and a transverse tube (2017-01-03),
8. 9499071 - Adjusting device for a motor vehicle seat, comprising at least one stop (2016-11-22),
9. 9387777 - Seat underframe for motor vehicle seats (2016-07-12),
10. 9358902 - Holding device for an adjustment drive of a motor vehicle seat (2016-06-07),
11. 9315117 - Method for producing a spindle drive of an adjustment device of a motor vehicle seat (2016-04-19),
12. 9260038 - Floor lock for a motor vehicle seat (2016-02-16),
13. 9242579 - Seat rail for a motor vehicle seat (2016-01-26),
14. 9227532 - Seat fitting for a motor vehicle seat (2016-01-05),
15. 9150124 - Actuating unit of a motor vehicle seat (2015-10-06),
C. Rob. Hammerstein Gmbh & Co Kg is a leading engineering company specializing in precision tools and components for the automotive, aerospace, and medical industries. With over 100 years of experience, they provide high-quality solutions for complex manufacturing processes. Their innovative products and services have earned them a reputation for excellence and reliability in the industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

122 Patents

#1 in Solingen

#524 in Germany

#6,348 in the World

...
Solingen, Germany

C. Rob. Hammerstein Gmbh & Co Kg

Forward Citations = 1,125

90 inventors:

goldMedal Burckhard Becker (68 out of 104 patents)

silverMedal Wilfried Beneker (54 out of 59 patents)

bronzeMedal Ernst-Reiner Frohnhaus (14 out of 39 patents)

4.  Robert Houston (13 out of 15 patents)

5.  Burkhard Becker (10 out of 13 patents)

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