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Inventor
HAWS RONNIE E
US
3 patents
⚠️ This page may combine multiple inventors who share the name “HAWS RONNIE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUGHES TOOL CO
2 patents
US4465104A
Aug 14, 1984
Pressure energized pipeline plug
HUGHES TOOL CO
92 citations
93
US4422477A
Dec 27, 1983
Pressure energized pipeline plug
HUGHES TOOL CO
87 citations
93
HUGHES UNDERSEA COUPLING INC
1 patent
US4332277A
Jun 1, 1982
Pipeline pigging plug
HUGHES UNDERSEA COUPLING INC
75 citations
91