Steam engine plants characterised by the use of specific types of engine

Official title: Steam engine plants characterised by the use of specific types of engine (F01K3/02 takes precedence); Plants or engines characterised by their use of special steam systems, cycles or processes (reciprocating-piston engines using uniflow principle F01B17/04); Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating

F01K7/00 (Steam engine plants characterised by the use of specific types of engine) appears on 1,211 US grants and 1,362 published applications in this corpus.