Inventor
HEDRICK MARCELLE H
US8 patents
⚠️ This page may combine multiple inventors who share the name “HEDRICK MARCELLE H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CROW STEPHEN L
3 patentsUS8881819B2Nov 11, 2014
Tubular cutting with a sealed annular space and fluid flow for cuttings removal
CROW STEPHEN L11 citations81
US8881818B2Nov 11, 2014
Tubular cutting with debris filtration
CROW STEPHEN L12 citations81
US8869896B2Oct 28, 2014
Multi-position mechanical spear for multiple tension cuts while removing cuttings
CROW STEPHEN L19 citations81