% Expired Patents = 50.0

Forward Citations = 183

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7 inventors (with patents filed for the assignee):

Per Olav Haughom (4 out of 20 patents)

Bengt Gunnarsson (2 out of 6 patents)

Knut Nesland (1 out of 2 patents)

4. Rune Nilsen (1 out of 2 patents)

5. Jan Spjuth (1 out of 1 patent)

6. Bengt Gunnarson (1 out of 1 patent)

7. Jone Salte (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 6951331 - Sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve (2005-10-04),

2. 6869063 - Sleeve valve and method for its assembly (2005-03-22),

3. 6516888 - Device and method for regulating fluid flow in a well (2003-02-11),

4. 6513601 - Method for setting a packer in a well bore, and a packer (2003-02-04),

Triangle Equipment As is a leading provider of industrial equipment and machinery in the Scandinavian region. With a wide range of products and services, we cater to various industries including construction, mining, agriculture, and more. Our team of experts is dedicated to delivering high-quality equipment and solutions to meet our customers' needs. Visit our website to learn more about our offerings and how we can help your business succeed.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#25 in Stavanger

#413 in Norway

Stavanger, Norway

Triangle Equipment as