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EPO Patents = 10

Trademarks = 2

Forward Citations = 20

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3 inventors (with patents filed for the assignee):

Christian Engström (8 out of 10 patents)

Nils G Engström (6 out of 8 patents)

Jonny Färnlund (6 out of 8 patents)

4. Christian ENGSTRÖM (0 patent)

8 patents: Sort by Forward Citations

1. 11506551 - Method and apparatus for dynamometer testing of a motor vehicle (2022-11-22),

2. 11169054 - Method and system for use in dynamometer testing of a motor vehicle (2021-11-09),

3. 10739234 - Method and system for use in dynamometer testing of a motor vehicle (2020-08-11),

4. 10444119 - Method and system for use in dynamometer testing of a motor vehicle (2019-10-15),

5. 9893673 - Method and system for use in dynamometer testing of a motor vehicle (2018-02-13),

6. 9863850 - Method and system for measuring the mass flow by means of dilution of an exhaust gas from internal combustion (2018-01-09),

7. 9360395 - Method and device for dynamometer testing of a motor vehicle (2016-06-07),

8. 8689618 - Method and device for dynamometer testing of a motor vehicle (2014-04-08),

Rototest International AB is a leading provider of advanced engine testing solutions for the automotive industry. With over 30 years of experience, the company specializes in dynamometer technology, offering state-of-the-art products for engine development and research. Their innovative testing systems are known for their accuracy, reliability, and efficiency, helping customers optimize performance, reduce emissions, and improve fuel economy.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#1 in Rönninge

#687 in Sweden

Rönninge, Sweden

Rototest International Ab

Forward Citations = 20

3 inventors:

Christian Engström (8 out of 10 patents)

Nils G Engström (6 out of 8 patents)

Jonny Färnlund (6 out of 8 patents)

4. Christian ENGSTRÖM (0 patent)

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