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Inventor
STAGGS MARK ALAN
US
2 patents
⚠️ This page may combine multiple inventors who share the name “STAGGS MARK ALAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT OILWELL LP
1 patent
US5960700A
Oct 5, 1999
Replaceable mud pump piston seal
NAT OILWELL LP
45 citations
86
NAT OILWELL VARCO LP
1 patent
US12535068B2
Jan 27, 2026
Durable valves for displacement pumps
NAT OILWELL VARCO LP
0 citations
35