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Patent lawsuit involving F1 fuel flow meter suppliers filed ahead of US GP

A legal dispute involving Formula 1’s fuel flow meter suppliers has emerged ahead of the United States Grand Prix. Former supplier Sentronics Holdings Ltd has sued current supplier Allengra GmbH in Texas, alleging patent infringement over the sensors used across the grid.

F1 Hub Newsroom
October 20, 2026
Patent lawsuit involving F1 fuel flow meter suppliers filed ahead of US GP

A lawsuit has surfaced in the background as Formula 1 heads into the United States Grand Prix. The case involves the championship’s former fuel flow meter supplier and the company that replaced it.

According to the reported filing, Sentronics Holdings Ltd has brought a case against German manufacturer Allengra GmbH in the US District Court for the Western District of Texas. The filing was made on 16 October.

Sentronics claims that the sensors now used by every car in Formula 1 infringe its patent. The case was filed just days before the United States Grand Prix.

Sources (2)

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