Description: 299 / (15) By Change Of Pressure And/Or Direction, Effected By Terminal Fluid Handling Means (Static) (16) With Interaction of Fluids, or Fluid Streams (18) With Swirling
Hierarchy/Derived subclasses
CIPO search
search just 299/18This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.