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Ochtrup, Germany

Hewing Gmbh

USPTO Granted Patents = 17

Trademarks = 1

Forward Citations = 332

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15 inventors (with patents filed for the assignee):

Franz-Josef Riesselmann (6 out of 10 patents)

Karl G Homm (3 out of 3 patents)

Joerg Hansen (2 out of 3 patents)

4. Peter Braegelmann (2 out of 2 patents)

5. Bernhard Dankbar (2 out of 2 patents)

6. Karl-Georg Homm (2 out of 2 patents)

7. Kurt Olbrich (2 out of 3 patents)

8. Joerg Claussen (1 out of 2 patents)

9. Paul Wolters (1 out of 1 patent)

10. Josef Bruenen (1 out of 1 patent)

11. Harald Eichner (1 out of 1 patent)

12. Nils Wehmeier (1 out of 1 patent)

13. Jorg Hansen (1 out of 1 patent)

14. Michael Wittkaemper (1 out of 1 patent)

15. Emil Heinrich Friedrich (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 6361083 - Screw joint for pipes (2002-03-26),

2. 6322108 - Pipe fitting (2001-11-27),

3. 6279614 - Multi-layer plastic tube (2001-08-28),

4. 6255623 - Surface heating system formed by a fluid-conducting inner pipe surrounded by a heat-destructible sheathing tube structure (2001-07-03),

5. 6253794 - Conduit in particular for sanitary and heating installation purposes (2001-07-03),

6. 5829795 - Press-fitting device for connection of a tube (1998-11-03),

7. 5704537 - Method for sheathing a plastic tube with a metal sheathing (1998-01-06),

8. 5666820 - Ceiling cooling (1997-09-16),

9. 5378023 - Pipe connection, particularly on composite pipes (1995-01-03),

10. 5377400 - Jointing clamp and method for pressing pipe connections (1995-01-03),

11. 5335530 - Pressing tool for pressing a cylindrical pressing member or a pressing (1994-08-09),

12. 5332269 - Connecting device for plastic tubes and method for connecting a plastic (1994-07-26),

13. 5307664 - Jointing clamp for pressing pipe connections (1994-05-03),

14. 5274972 - Installation duct for utility lines (1994-01-04),

15. 5243800 - Installation duct for utility lines (1993-09-14),

Hewing GmbH, based in Ochtrup, Germany, specializes in the development and manufacturing of high-quality precision components and systems for various industries. The company focuses on innovative solutions in mechanical engineering, particularly in the fields of automation and drive technology. With a commitment to research and development, Hewing aims to enhance efficiency and performance in industrial applications, serving a diverse clientele across Europe and beyond.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#2 in Ochtrup

#2,493 in Germany

#35,887 in the World

Ochtrup, Germany

Hewing Gmbh

Forward Citations = 332

15 inventors:

Franz-Josef Riesselmann (6 out of 10 patents)

Karl G Homm (3 out of 3 patents)

Joerg Hansen (2 out of 3 patents)

4. Peter Braegelmann (2 out of 2 patents)

5. Bernhard Dankbar (2 out of 2 patents)

Please report any incorrect information to [email protected]

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