• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F16N - Lubricating
• F16N 7/22 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device with one or more members moving around the shaft to be lubricated shaped as rings

Patent holdings for IPC class F16N 7/22

Total number of patents in this class: 15

10-year publication summary

Principal owners for this class