% Expired Patents = 25.0

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.

Profile summary based on public USPTO records.