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Hamburg, Germany

Blohm + Voss Ag

USPTO Granted Patents = 53

Trademarks = 2

Forward Citations = 451

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65 inventors (with patents filed for the assignee):

Ernst-Peter Von Bergen (9 out of 14 patents)

Gunter E Pietsch (9 out of 16 patents)

Karl-Otto Sadler (6 out of 13 patents)

4. Hans-Joachim Franz (5 out of 5 patents)

5. Willy Schmidt (5 out of 5 patents)

6. Heinz-Gunter Ehluss (4 out of 4 patents)

7. Norbert Schlichthorst (4 out of 4 patents)

8. Heinz Krakow (3 out of 5 patents)

9. Jurgen Wessel (2 out of 2 patents)

10. Hans Langenberg (2 out of 3 patents)

11. Jurgen Herm (2 out of 3 patents)

12. Harald Tomsen (2 out of 4 patents)

13. Willi Schmidt (2 out of 2 patents)

14. Karl O Sadler (2 out of 2 patents)

15. Horst Poppe (2 out of 2 patents)

Core Competencies:

Stabilizer Fin

Propeller Shaft Seal

Stern Tube Bearing

Hydraulic Rudder System

Multi-Hulled Marine Craft

Ship's Hull Design

Anchoring Arrangement

Cargo Handling Apparatus

Engine Installation

Underwater Pipe Laying

Ventilation System Units

Performance Testing Apparatus

53 patents: Sort by Forward Citations

1. 6032602 - Stabilizer for ocean going vessels and a stabilizer for other ocean (2000-03-07),

2. 5492492 - Seal arrangement for propeller shafts of ships (1996-02-20),

3. 5419724 - Stern tube bearing system for contra-rotating propeller shafts of a (1995-05-30),

4. 5411273 - Lip seal to seal a shaft, in particular a ship's propeller shaft (1995-05-02),

5. 5388542 - Water-borne ship and method of operation thereof (1995-02-14),

6. 5374208 - Ship, in particular deep draft vessel having concentric, contra-rotating (1994-12-20),

7. 5365870 - Body equipped with a streamlined profile, in particular a stabilizer fin (1994-11-22),

8. 5356320 - Seal arrangement for propeller shafts of ships (1994-10-18),

9. 5348285 - Hold-down device on handling machines, in particular punching machines, (1994-09-20),

10. 5308269 - Seal device for rotating shafts, in particular stern tube seal for (1994-05-03),

11. 5267736 - Sealing apparatus for rotating shafts, in particular stern tube seal for (1993-12-07),

12. 5219434 - Sealing arrangement for rotating propeller shafts of ships (1993-06-15),

13. 5209497 - Sealing apparatus for rotating shafts, in particular stern tube seal for (1993-05-11),

14. 5141456 - Water craft with guide fins (1992-08-25),

15. 5137116 - Sealing device for a rotating shaft of a ship propeller shaft (1992-08-11),

Blohm + Voss is a leading shipbuilding and engineering company based in Hamburg, Germany. With a rich history dating back to 1877, the company specializes in the design, construction, and maintenance of advanced naval vessels, luxury yachts, and offshore structures. Blohm + Voss is known for its innovative technologies and high-quality products that meet the highest industry standards.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

53 Patents

#27 in Hamburg

#1,033 in Germany

#12,953 in the World

Hamburg, Germany

Blohm + Voss Ag

Forward Citations = 451

65 inventors:

Ernst-Peter Von Bergen (9 out of 14 patents)

Gunter E Pietsch (9 out of 16 patents)

Karl-Otto Sadler (6 out of 13 patents)

4. Hans-Joachim Franz (5 out of 5 patents)

5. Willy Schmidt (5 out of 5 patents)

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