ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,005, issued on Jan. 27, was assigned to RD ESTATE GMBH & Co. KG (Deggendorf, Germany).
"Steam engine" was invented by Robert Duschl (Deggendorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a steam engine comprising a cylinder (10), a reciprocating piston (12) which is movably guided in the cylinder (10) between an upper dead center and a lower dead center, a working chamber (18) in the cylinder (10), said working chamber being limited by the reciprocating piston (12), a steam chamber (76) for providing live steam, an intake valve (26) with a valve opening (28) which connects the steam chamber (76) and the...