From Motorsport · Alex Harrington · · 50s
F1 Fuel Meter Supplier Sues Replacement
Sentronics sues Allengra over US patent infringement ahead of Austin GP.
In brief
Sentronics sues Allengra over US patent infringement ahead of Austin GP. Sentronics Holdings Ltd claims Allengra's fuel flow meters infringe its US patent 11,391,609, seeking permanent ban and tripled damages. Originally reported by Motorsport.
Sentronics sues Allengra
Sentronics Holdings Ltd, FIA's fuel flow meter supplier until 2025, sued Allengra GmbH in Texas court.
Patent infringement claim
Sentronics claims Allengra's sensors infringe its US patent 11,391,609 granted in July 2022.
Patent details
Patent measures fuel flow rate using ultrasonic signals traveling with and against flow.
Infringement evidence
Sentronics' lab tests in late 2024 confirmed infringement and shared technical details under NDA.
US Grand Prix unaffected
Race weekend not affected as Sentronics hasn't requested emergency ban for parts.
The short version
Sentronics Holdings Ltd claims Allengra's fuel flow meters infringe its US patent 11,391,609, seeking permanent ban and tripled damages.
