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Krefeld, Germany

G. Siempelkamp Gmbh & Co.

USPTO Granted Patents = 91

Trademarks = 2

Forward Citations = 728

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66 inventors (with patents filed for the assignee):

Klaus Gerhardt (19 out of 21 patents)

Eduard J Huydts (9 out of 9 patents)

Werner Ufermann (9 out of 9 patents)

4. Jurgen Pesch (8 out of 8 patents)

5. Hans-Dietrich Sitzler (7 out of 8 patents)

6. Lothar Sebastian (6 out of 28 patents)

7. Wolfgang Gotz (6 out of 6 patents)

8. Horst Weiss (5 out of 12 patents)

9. Werner Gawlitta (5 out of 10 patents)

10. Klaus Schürmann (4 out of 18 patents)

11. Karl Walter (4 out of 4 patents)

12. Friedrich Bottger (4 out of 5 patents)

13. Walter Husges (4 out of 4 patents)

14. Heinrich Axer (4 out of 4 patents)

15. Michael Schöler (3 out of 12 patents)

Core Competencies:

Foil Application

Roller Sifting

Hydraulic Platen Press

Particle Board Production

Continuous Press Technology

Laminate Board Manufacturing

Dewatering Press

Composite Wood Panels

Steam Treatment

Belt-Type Press

Press Plate Safety

Mat-Making Apparatus

91 patents: Sort by Forward Citations

1. 6536101 - Apparatus for applying foils to board faces (2003-03-25),

2. 6257414 - Roller sifting and dispersing machine (2001-07-10),

3. 6253672 - Hydraulic platen press (2001-07-03),

4. 6238175 - Destacking apparatus (2001-05-29),

5. 6158492 - Apparatus for making a foil-clad laminate (2000-12-12),

6. 6142068 - Continuous press for making particle board (2000-11-07),

7. 6098532 - Continuous press and method of operating same (2000-08-08),

8. 6041700 - Intake for belt-type particleboard press (2000-03-28),

9. 6007320 - Apparatus for producing wood-based pressed board (1999-12-28),

10. 5779955 - Method of making shaped bodies especially boards (1998-07-14),

11. 5733396 - Preheating particles in manufacture of pressed board (1998-03-31),

12. 5643376 - Preheating particles in manufacture of pressed board (1997-07-01),

13. 5596924 - Belt press for continuous manufacture of wood-product members (1997-01-28),

14. 5546857 - Steel belt press with inlet mouth contour adjustability (1996-08-20),

15. 5520530 - Continuous belt press for making panels (1996-05-28),

G. Siempelkamp GmbH & Co. is a global leader in the manufacturing and supply of wood-based panels, forming, drying, and glueing technology. With over 140 years of experience, Siempelkamp offers innovative and sustainable solutions for the wood and composite materials industry. They specialize in providing complete plant engineering services, including planning, machine construction, and commissioning, for various industries like furniture, automotive, and construction. Siempelkamp's cutting-edge technology and expertise have made them a trusted partner for companies worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

91 Patents

#3 in Krefeld

#670 in Germany

#8,177 in the World

Krefeld, Germany

G. Siempelkamp Gmbh & Co.

Forward Citations = 728

66 inventors:

Klaus Gerhardt (19 out of 21 patents)

Eduard J Huydts (9 out of 9 patents)

Werner Ufermann (9 out of 9 patents)

4. Jurgen Pesch (8 out of 8 patents)

5. Hans-Dietrich Sitzler (7 out of 8 patents)

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