Trademarks = 2

Forward Citations = 11

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7 inventors (with patents filed for the assignee):

John J Breedlove (3 out of 5 patents)

Erik Denver (3 out of 4 patents)

Joseph P Bower (2 out of 4 patents)

4. Steven S Fleagle (2 out of 4 patents)

5. Tyler Proffitt (2 out of 3 patents)

6. Robert Lamond (1 out of 3 patents)

7. Herbert B Stiltner (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 9617705 - Retainment wall for underground mine and method of construction (2017-04-11),

2. 9022689 - Pumpable mine ventilation structure (2015-05-05),

3. 8371658 - Apparatus and method for supporting a mine rib (2013-02-12),

4. 8246276 - Pumpable crib bag assembly and method of installation (2012-08-21),

Heintzmann Corporation is a leading provider of engineering solutions for the construction and mining industry. With a focus on quality, innovation, and sustainability, they offer a range of products and services including rock support systems, tunnel support systems, and mining equipment. With over 160 years of experience, Heintzmann Corporation is dedicated to creating safe and efficient solutions for their clients worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#1 in Cedar Bluff, VA

#1,092 in Virginia

#59,059 in US

Cedar Bluff, VA, United States of America

Heintzmann Corporation