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Erkelenz, Germany

Wirth Maschinen-und Bohrgerate-fabrik Gmbh

USPTO Granted Patents = 24

Forward Citations = 236

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25 inventors (with patents filed for the assignee):

Fritz Tibussek (9 out of 10 patents)

Peter Heinrichs (4 out of 6 patents)

Karl-Heinz Ecker (4 out of 6 patents)

4. Georg Hurtz (3 out of 3 patents)

5. Wilfried Piefenbrink (2 out of 2 patents)

6. Karl-Heinz Wahl (2 out of 2 patents)

7. Willi Steufmehl (2 out of 2 patents)

8. Helmut Henschenmacher (2 out of 3 patents)

9. Nikolaus Kleuters (1 out of 3 patents)

10. Albrecht Heinrichs (1 out of 7 patents)

11. Michael Mohrmann (1 out of 1 patent)

12. Hermann-Josef Von Wirth (1 out of 2 patents)

13. Emanuel Revici (1 out of 23 patents)

14. Hermann Hamburger (1 out of 1 patent)

15. Walter Weber (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 7658244 - Device for advancing drillings in the ground (2010-02-09),

2. 7562726 - Device for drilling a bore in the ground (2009-07-21),

3. 7232113 - Draw works (2007-06-19),

4. 6422324 - Method and device for driving bore-holes, in the sea bed using a counterflush method (2002-07-23),

5. 6405812 - Drilling tool for the air-lifting process (2002-06-18),

6. 6183165 - Process and device for separation of pipes or columns fixed in the ground (2001-02-06),

7. 6102139 - Device for drilling a bore hole in the ground (2000-08-15),

8. 5938288 - Automatic control system and method for a machine used for excavating (1999-08-17),

9. 5340199 - Method and machine for excavating drifts, tunnels, stopes, caverns or (1994-08-23),

10. 4773689 - Apparatus for clamping to the end of a pipe (1988-09-27),

11. 4750770 - Device for connecting a drill column to a pipe or the like (1988-06-14),

12. 4739680 - Apparatus for securing screw bolts against rotation (1988-04-26),

13. 4696600 - Method and apparatus for modifying the cross-sectional profile of an (1987-09-29),

14. 4655362 - Manipulator for cover closure members (1987-04-07),

15. 4637659 - Tool member for a rotary drilling tool (1987-01-20),

Wirth Maschinen-und Bohrgerate-fabrik GmbH is a leading manufacturer of drilling equipment and machines. With over 150 years of experience, we provide innovative and reliable solutions for the drilling industry. Our products include drilling rigs, mud pumps, drill pipes, and more. We serve customers worldwide and are committed to delivering exceptional quality and performance. Visit our website to learn more about our products and services.

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

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USPTO Data Jan 1 1976 - Dec 16 2025

24 Patents

#3 in Erkelenz

#1,928 in Germany

#25,837 in the World

Erkelenz, Germany

Wirth Maschinen-und Bohrgerate-fabrik Gmbh

Forward Citations = 236

25 inventors:

Fritz Tibussek (9 out of 10 patents)

Peter Heinrichs (4 out of 6 patents)

Karl-Heinz Ecker (4 out of 6 patents)

4. Georg Hurtz (3 out of 3 patents)

5. Wilfried Piefenbrink (2 out of 2 patents)

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