Inventor
WARD RICHARD M
US10 patents
⚠️ This page may combine multiple inventors who share the name “WARD RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
3 patentsDRESSER IND
3 patentsUS5007344AApr 16, 1991
Dual firing system for a perforating gun
DRESSER IND35 citations91
US4770246ASep 13, 1988
Method and apparatus for firing borehole perforating apparatus
DRESSER IND13 citations73
US4674328AJun 23, 1987
Method and apparatus for determining subsurface conditions using a tubing packoff tool
DRESSER IND8 citations71