• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F01K - Steam engine plants; steam accumulators; engine plants not otherwise provided for; engines using special working fluids or cycles
• F01K 23/14 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engines being mechanically coupled including at least one combustion engine

Patent holdings for IPC class F01K 23/14

Total number of patents in this class: 90

10-year publication summary

Principal owners for this class