Inventor
BOLTON JIMMIE B
5 patents
⚠️ This page may combine multiple inventors who share the name “BOLTON JIMMIE B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SMITH INTERNATIONAL
4 patentsUS4273159AJun 16, 1981
Earth boring apparatus with multiple welds
SMITH INTERNATIONAL33 citations89
US4256518AMar 17, 1981
Welding and austenitizing earth boring apparatus
SMITH INTERNATIONAL37 citations89
US4181845AJan 1, 1980
Apparatus for tempering the weld between a tool joint connector and a drill pipe tube
SMITH INTERNATIONAL18 citations79
US4151018AApr 24, 1979
Drill pipe manufacture
SMITH INTERNATIONAL13 citations71