Register USPTO Patent
Application Number 17783049
Status Pending
Filing Date 2019-12-18
First Publication Date 2023-01-26
Publication Date 2023-01-26
Owner Hewlett-Packard Development Company, L.P. (USA)
  • Wickwire, Robert S
  • Olsen, David N
  • Cumbie, Michael W


An example fluidic device comprises a fluid reservoir having a porous media arranged within the reservoir, and a capillary structure. The capillary structure is in fluid communication with the porous media and the fluid reservoir and has tuned parameters corresponding to parameters of the fluid reservoir and the porous media. Wherein fluid within the capillary structure is to change level in response to pressure changes in the reservoir.

IPC Classes  ?