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McPherson, KS, United States of America

American Maplan Corporation

USPTO Granted Patents = 27

Trademarks = 6

Forward Citations = 239

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24 inventors (with patents filed for the assignee):

James W Nixon (5 out of 5 patents)

Heinrich Dohmann (4 out of 13 patents)

John Michael Wallen (4 out of 4 patents)

4. Horst Eigruber (4 out of 6 patents)

5. Kenton Gearhart (4 out of 4 patents)

6. Reinhard Witt (3 out of 4 patents)

7. Wilhelm Hanslik (3 out of 3 patents)

8. Robert F Shamet (3 out of 3 patents)

9. Steven E Spence (3 out of 3 patents)

10. Flavio R Da Silva (3 out of 3 patents)

11. Bradley M Eisenbarth (2 out of 2 patents)

12. Hans Groeblacher (2 out of 2 patents)

13. Peter Heilmayr (2 out of 2 patents)

14. Heinz Ratheiser (2 out of 2 patents)

15. Peter Jessen Jürgensen (1 out of 1 patent)

27 patents: Sort by Forward Citations

1. 9776354 - Extrusion process (2017-10-03),

2. 8936460 - Extrusion head with high volume reservoir (2015-01-20),

3. 8758003 - Multiple spider head (2014-06-24),

4. 8333580 - Swept leg spider for an extrusion apparatus (2012-12-18),

5. 8096799 - Swept leg spider for an extrusion apparatus (2012-01-17),

6. 7758331 - Pipe support system (2010-07-20),

7. 7588708 - Spiral-webbed mandrel (2009-09-15),

8. 7329116 - Double-webbed mandrel (2008-02-12),

9. 7122141 - Method and system for dual co-extrusion (2006-10-17),

10. 7077639 - Spiral-webbed mandrel (2006-07-18),

11. 6946094 - Adjustable sizing tube (2005-09-20),

12. 6793474 - Method and system for dual co-extrusion (2004-09-21),

13. 6769899 - Independent X/Y flow adjustable extrusion die (2004-08-03),

14. 5628560 - Double-screw extruder (1997-05-13),

15. 5198242 - Rotary turret embosser (1993-03-30),

American Maplan Corporation is a leading provider of innovative extrusion systems and solutions for the global plastics industry. With over 50 years of experience, the company offers a wide range of reliable and efficient production machinery, including twin screw extruders, single screw extruders, downstream equipment, and complete turnkey systems. American Maplan Corporation is committed to delivering high-quality products, exceptional customer service, and advanced technological solutions to meet the evolving needs of the plastics manufacturing sector.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

27 Patents

#1 in McPherson, KS

#107 in Kansas

#11,991 in US

#23,270 in the World

McPherson, KS, United States of America

American Maplan Corporation

Forward Citations = 239

24 inventors:

James W Nixon (5 out of 5 patents)

Heinrich Dohmann (4 out of 13 patents)

John Michael Wallen (4 out of 4 patents)

4. Horst Eigruber (4 out of 6 patents)

5. Kenton Gearhart (4 out of 4 patents)

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