BB

Brent C. Black

BH Baker Hughes Holdings: 3 patents #995 of 3,522Top 30%
EN Envirotech: 2 patents #17 of 100Top 20%
📍 Salt Lake City, UT: #930 of 4,590 inventorsTop 25%
🗺 Utah: #3,998 of 19,430 inventorsTop 25%
Overall (All Time): #1,059,543 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5078869 Clarifier cleaning apparatus David DiGregorio 1992-01-07
5078873 Filter cleaning apparatus Steven G. Coombs, John B. Ainsworth, John Thorum 1992-01-07
4936982 Intrachannel clarifier David DiGregorio, Mark G. Biesinger 1990-06-26
4624783 Apparatus for granular media filter Bruce D. Bradley, Ralph B. Haymore 1986-11-25
4450077 Granular media filter Bruce D. Bradley, Ralph B. Haymore 1984-05-22