For the Inventor, By the Inventor

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South Milwaukee, WI, United States of America

Bucyrus International Inc.

USPTO Granted Patents = 19

CIPO Patents = 5

EPO Patents = 1

Trademarks = 2

Forward Citations = 441

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30 inventors (with patents filed for the assignee):

Carl Delbert Gilmore (6 out of 22 patents)

Lane Colin Hobenshield (3 out of 6 patents)

Steven Michael Casey (3 out of 4 patents)

4. Robert F Brown, Jr (3 out of 3 patents)

5. David T Bienfang (2 out of 15 patents)

6. Michael G Onsager (2 out of 8 patents)

7. Bret A Tarnowski (2 out of 2 patents)

8. Erwin Mock (2 out of 2 patents)

9. John K Luvaas (1 out of 7 patents)

10. Gregory N Feld (1 out of 4 patents)

11. Joseph Helfrich (1 out of 4 patents)

12. Walter Koellner (1 out of 4 patents)

13. Nathaniel A Falendysz (1 out of 1 patent)

14. Russell J Kroll (1 out of 43 patents)

15. Timothy R Kerrigan (1 out of 1 patent)

19 patents: Sort by Forward Citations

1. 8362629 - Energy management system for heavy equipment (2013-01-29),

2. 8342236 - Blast hole drill bit carousel and a blast hole drill including a blast hole drill bit carousel (2013-01-01),

3. D645046 - Joystick with indents (2011-09-13),

4. 7975760 - Tool wrench assembly (2011-07-12),

5. D640258 - Joystick (2011-06-21),

6. D614674 - Excavator cab (2010-04-27),

7. 7174826 - Hydraulic crowd control mechanism for a mining shovel (2007-02-13),

8. 7096610 - Dipper assembly including a closure mechanism (2006-08-29),

9. 7024805 - Dragline excavating machine with direct drive hoist and drag drums (2006-04-11),

10. 6752282 - Swing drive assembly (2004-06-22),

11. 6591521 - Dipper door and dipper door assembly (2003-07-15),

12. 6467202 - Dynamically active dipper door mechanism (2002-10-22),

13. 6317957 - Method for fabricating an excavator base (2001-11-20),

14. 6168542 - Crowd rope take-up system for mining shovel (2001-01-02),

15. 6047775 - Blast hole drill pipe gripping mechanism (2000-04-11),

Bucyrus International Inc. is a global leader in the design and manufacture of high-quality mining equipment. With a history dating back over 100 years, Bucyrus has established itself as a trusted name in the mining industry. The company offers a wide range of products and services, including draglines, electric rope shovels, and underground mining equipment. Bucyrus is dedicated to providing innovative solutions that meet the evolving needs of its customers and help them achieve success in their mining operations.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

19 Patents

#2 in South Milwaukee, WI

#395 in Wisconsin

#16,635 in US

#31,731 in the World

South Milwaukee, WI, United States of America

Bucyrus International Inc.

Forward Citations = 441

30 inventors:

Carl Delbert Gilmore (6 out of 22 patents)

Lane Colin Hobenshield (3 out of 6 patents)

Steven Michael Casey (3 out of 4 patents)

4. Robert F Brown, Jr (3 out of 3 patents)

5. David T Bienfang (2 out of 15 patents)

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