For the Inventor, By the Inventor

Enter assignee name

Munich, Germany

Dyckerhoff & Widmann Aktiengesellschaft

USPTO Granted Patents = 104

Trademarks = 4

Forward Citations = 1,061

Loading Chart...

Loading Chart...

93 inventors (with patents filed for the assignee):

Dieter Jungwirth (17 out of 18 patents)

Thomas Herbst (15 out of 15 patents)

Klemens Finsterwalder (12 out of 12 patents)

4. Ulrich Finsterwalder (9 out of 10 patents)

5. Oswald Nutzel (8 out of 9 patents)

6. Herbert Schambeck (8 out of 9 patents)

7. Wilhelm Buchler (7 out of 8 patents)

8. Peter Auer (6 out of 6 patents)

9. Johann Wlodkowski (6 out of 6 patents)

10. Lorenz Schnitzler (5 out of 5 patents)

11. Helmut Lieske (5 out of 5 patents)

12. Otmar Langwadt (4 out of 7 patents)

13. Reinhard Klockner (4 out of 4 patents)

14. Alto Mannhart (4 out of 4 patents)

15. Lorenz Maier (3 out of 4 patents)

Core Competencies:

Tension Member

Anchoring Device

Prestressed Concrete

Structural Components

Corrosion Protection

Concrete Structures

Railroad Ties

Floating Structures

Scaffolding Girder

Reinforcing Bars

High Speed Rail

Bridge Support

104 patents: Sort by Forward Citations

1. 6360501 - Guide unit for a tension member at a structural component (2002-03-26),

2. 6055691 - Method of mounting and tensioning a freely tensioned tension member and (2000-05-02),

3. 5924250 - Sealing arrangement in a bundled tension member for prestressed concrete (1999-07-20),

4. 5809710 - Method of tensioning a tension member composed of a plurality of (1998-09-22),

5. 5803641 - Device for use in inserting individual tension elements of a freely (1998-09-08),

6. 5707181 - Method of producing an intended breaking point in a tension member for a (1998-01-13),

7. 5683519 - Method of cleaning and exposing portions of limited length of strands of (1997-11-04),

8. 5624628 - Method of introducing a casting compound into a hollow space (1997-04-29),

9. 5603589 - Method for manufacturing an anchor element for a soil anchor for a rock (1997-02-18),

10. 5472296 - Corrosion protected support element for a soil anchor or a rock anchor, (1995-12-05),

11. 5439629 - Method and apparatus for producing prefabricated components from (1995-08-08),

12. 5437526 - Arrangement for anchoring a rod-shaped tension member of composite fiber (1995-08-01),

13. 5389765 - Arrangement for severing the tension member of a soil anchor at a (1995-02-14),

14. 5193940 - Mine roof support system (1993-03-16),

15. 5135164 - Prestressed concrete railroad tie (1992-08-04),

Dyckerhoff & Widmann Aktiengesellschaft, headquartered in Munich, Germany, specializes in advanced tension member technology and related structural solutions. The company focuses on the development and manufacturing of innovative products such as anchoring devices, prestressed concrete elements, and corrosion protection systems. Their expertise extends to various applications, including concrete structures, railroad ties, and floating structures, positioning them as a key player in the construction and engineering sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

104 Patents

#52 in W-8000 Munich

#569 in Germany

#7,516 in the World

Munich, Germany

Dyckerhoff & Widmann Aktiengesellschaft

Forward Citations = 1,061

93 inventors:

Dieter Jungwirth (17 out of 18 patents)

Thomas Herbst (15 out of 15 patents)

Klemens Finsterwalder (12 out of 12 patents)

4. Ulrich Finsterwalder (9 out of 10 patents)

5. Oswald Nutzel (8 out of 9 patents)

Please report any incorrect information to [email protected]

Loading…