Forward Citations = 90

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7 inventors (with patents filed for the assignee):

Jyri Jaakko Jarvenkyla (5 out of 36 patents)

Paul Holso (2 out of 3 patents)

Gunnar Bjorkman (2 out of 2 patents)

4. Lennart Agren (1 out of 4 patents)

5. Eino Holso (1 out of 5 patents)

6. Dirk Arts (1 out of 1 patent)

7. Goran Johansson (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 4933134 - Method and device for extrusion of a double wall plastics pipe (1990-06-12),

2. 4929409 - Method in manufacturing a heat insulated tube and a device in extruders (1990-05-29),

3. D307790 - Tube or the like (1990-05-08),

4. D307174 - Tube or the like (1990-04-10),

5. 4873048 - Method for the formation of a hole in a plastic pipe (1989-10-10),

6. 4807910 - Sleeve joint and method of producing such a sleeve joint (1989-02-28),

7. 4790975 - Method and device for extrusion of a double wall plastics pipe (1988-12-13),

Oy Uponor Ab is a leading provider of radiant heating and cooling solutions for residential and commercial buildings. With a focus on sustainability and energy efficiency, Uponor offers innovative products and high-quality services to customers worldwide. The company is committed to creating safe, healthy, and comfortable indoor environments through their advanced piping systems and technology.

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USPTO Data Jan 1 1976 - Dec 9 2025

7 Patents

#2 in Nastola

#396 in Finland

Nastola, Finland

Oy Uponor Ab