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Ochtrup, Germany

Hewing Gmbh

USPTO Granted Patents = 17

Trademarks = 1

Forward Citations = 328

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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 is a leading provider of innovative solutions in the manufacturing industry. With a strong focus on precision engineering and cutting-edge technologies, we offer a wide range of products and services to meet the needs of our clients. Our team of experts is dedicated to delivering high-quality results and exceeding customer expectations. Visit our website to learn more about our capabilities and how we can help your business thrive.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

17 Patents

#2 in Ochtrup

#2,506 in Germany

#34,877 in the World

Ochtrup, Germany

Hewing Gmbh

Forward Citations = 328

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)

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