Inventor

CALLEGARI STEVE

US2 patents

⚠️ This page may combine multiple inventors who share the name “CALLEGARI STEVE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PETROLEUM SPECIALTY RENTAL LLC

1 patent

US9364836B2Jun 14, 2016

Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream

PETROLEUM SPECIALTY RENTAL LLC1 citations39

WILLIAMSON PAT

1 patent

US8753517B2Jun 17, 2014

Method and apparatus for removing metallic matter from an oil well circulating completion fluid stream

WILLIAMSON PAT1 citations34