US Patent Issued to Thistle Rocketry on July 1 for "Pumping apparatus" (British Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,218, issued on July 1, was assigned to Thistle Rocketry Ltd (Galashiels, Great Britain).

"Pumping apparatus" was invented by David Robertson (Galashiels, Great Britain) and Ian Hanley (Galashiels, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pumping apparatus comprising: a pump having a plurality of chambers for sequentially supplying fuel to a combustion chamber; wherein each chamber is fluidly connected to another chamber such that venting of the chamber at least partially pressurises the other chamber."

The patent was filed on March 18, 2022, under Application No. 18/284,639.

*For further information, including images, charts a...