ALEXANDRIA, Va., June 14 -- Advantage Downhole Systems, Houston, Texas, has been assigned a patent (No. 11,028,669, initially filed Oct. 16, 2019) developed by two co-inventors for a "pressure activated proportional flow bypass tool assembly." The co-inventors are Robert Paul MacDonald, Houston, Texas, and Kyle Lamar Taylor, Spring, Texas.

The full-text of the patent can be found at https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fs . . .