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McPherson, KS, United States of America

American Maplan Corporation

USPTO Granted Patents = 27

% Expired Patents = 18.5

Trademarks = 5

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 14 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)

Core Competencies:

Extrusion Process

Extrusion Head

Co-Extrusion

Spider Head

Mandrel

Sizing Tube

Double-Screw Extruder

Rotary Turret Embosser

Safety Air Plug

Foam Coextrusion

Pipe Support System

Extruder

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),

Company Overview

American Maplan Corporation, headquartered in McPherson, Kansas, specializes in the design and manufacturing of advanced machinery and systems for the plastics industry. The company is recognized for its expertise in producing high-quality extrusion equipment and related technologies, catering to a diverse range of applications. With a strong focus on innovation, American Maplan develops solutions that enhance efficiency and performance in manufacturing processes, serving clients across various sectors globally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#1 in McPherson, KS

#86 in Kansas

#12,428 in US

#24,034 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 14 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: American Maplan Corporation. Retrieved from https://idiyas.com/company/american-maplan

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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