Components 1’s former gas circulation meter provider, Sentronics Holdings Ltd, has taken its alternative to courtroom in Texas. The corporate claims that the sensors now utilized by each automotive within the championship infringe its patent.
The British firm filed the case in opposition to German producer Allengra GmbH within the US District Court docket for the Western District of Texas on 16 October. This comes simply days earlier than america Grand Prix in Austin. Based on the courtroom docket, Sentronics has demanded a jury trial and filed two reveals alongside its grievance.
What are gas circulation meters?
Gas circulation meters measure how a lot gas reaches every engine, permitting the FIA to police the circulation limits set out within the technical laws. The FIA desires to control this, as a result of a change in gas circulation means a change in energy produced by the inner combustion engine.
Based on the grievance, as reported by PlanetF1, Sentronics was the FIA’s unique provider from 2018 to 2025 earlier than Allengra gained the contract for 2026 to 2030 in November 2024. The 2 corporations are actually butting heads, as Sentronics claims Allengra’s meters infringe its US patent, 11,391,609, which was granted to Sentronics in July 2022.
The patent, titled “Circulate meter”, pertains to “a technique and an related circulation meter for measuring gas circulation price in a automobile”. It explains that ultrasonic circulation meters work on the precept that “the propagation time of ultrasonic alerts travelling by way of a fluid between two mounted factors varies relying on whether or not the sign travels within the path of circulation or in opposition to the path of circulation, with alerts propagating extra rapidly when travelling with the circulation”. Sentronics’ technique sends pairs of alerts in reverse instructions and alters their section to measure the circulation.
What Sentronics is claiming
The grievance says Sentronics’ personal laboratory testing in late 2024 confirmed the infringement. It additionally says Sentronics shared technical particulars with the FIA underneath a non-disclosure settlement.
In addition to direct infringement, Sentronics accuses Allengra of encouraging the FIA and the groups to make use of the meters in america, together with on the races in Austin, Miami and Las Vegas.
The grievance alleges the infringement was a deliberate selection, including that Allengra was advised in regards to the European model of the patent in August 2025. Sentronics’ legal professionals despatched a requirement letter in April 2026, which Allengra’s US counsel disputed.
Based on the grievance, the FIA confirmed receiving Sentronics’ earlier discover on 17 September 2025, saying its contents had been “duly famous”.
Sentronics is now asking the courtroom to completely ban Allengra from making, promoting or supplying the meters within the US. Unsurprisingly, additionally it is searching for damages for misplaced earnings and royalties courting again to so far as 2022. In reality, it desires these damages tripled as a result of it says the infringement was wilful.
Will the US Grand Prix be affected?
No, the race weekend will not be affected in any respect as Sentronics hasn’t requested for an emergency ban that might cease the utilization of those elements as Kimi Antonelli fights for his championship win. The courtroom has been requested to problem a summons, which is a traditional step for serving the case.
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