For the Inventor, By the Inventor

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Oak Creek, WI, United States of America

Aaa Sales + Engineering, Inc.

USPTO Granted Patents = 17

Forward Citations = 121

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16 inventors (with patents filed for the assignee):

Thomas J Heyden (11 out of 15 patents)

Gregory P Reitz (5 out of 5 patents)

Lowell B Ziese (5 out of 5 patents)

4. James D Braatz (3 out of 6 patents)

5. Richard C Bohme (3 out of 17 patents)

6. Robert A Mazur (2 out of 6 patents)

7. Kurt J Penney (2 out of 2 patents)

8. John A Hooper (2 out of 2 patents)

9. Jim Thomas (2 out of 2 patents)

10. Mark Zawlocki (2 out of 3 patents)

11. Kevin M Mazur (1 out of 1 patent)

12. Robert B Zimmer (1 out of 1 patent)

13. John J Bernd (1 out of 1 patent)

14. Douglas J Werginz (1 out of 3 patents)

15. Emil M Punko (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 8499900 - Electro-hydraulic railcar retarders for controlling the speed of a railcar (2013-08-06),

2. 8485107 - Devices and systems for controlling travel of a railcar (2013-07-16),

3. 8485105 - Devices and systems for stopping travel of a railcar (2013-07-16),

4. 8413770 - Systems and methods for retarding the speed of a railcar (2013-04-09),

5. 8365876 - Air bladder actuator for railroad car retarder (2013-02-05),

6. 8079309 - Devices and systems for controlling travel of a railcar (2011-12-20),

7. 7649350 - Railcar presence detector (2010-01-19),

8. 7530432 - Bladder-actuated railroad retarder (2009-05-12),

9. 7392887 - Bladder actuator for a railroad retarder (2008-07-01),

10. 7325567 - Pneumatic retarder acutator valve (2008-02-05),

11. 7306077 - Fail-safe, weight-responsive skate retarder (2007-12-11),

12. 7140698 - Hydraulic control and operation system for a railroad car retarder (2006-11-28),

13. 6422519 - Railroad track switch operator (2002-07-23),

14. 6216525 - Distributive retarder test device (2001-04-17),

15. 4996793 - Louver control apparatus for modular shutter assembly (1991-03-05),

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USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#4 in Oak Creek, WI

#435 in Wisconsin

#18,334 in US

#34,861 in the World

Oak Creek, WI, United States of America

Aaa Sales + Engineering, Inc.

Forward Citations = 121

16 inventors:

Thomas J Heyden (11 out of 15 patents)

Gregory P Reitz (5 out of 5 patents)

Lowell B Ziese (5 out of 5 patents)

4. James D Braatz (3 out of 6 patents)

5. Richard C Bohme (3 out of 17 patents)

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