Inventor
LEVAY ROBERT
US6 patents
⚠️ This page may combine multiple inventors who share the name “LEVAY ROBERT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTERN WELL TOOL INC
5 patentsUS6679341B2Jan 20, 2004
Tractor with improved valve system
WESTERN WELL TOOL INC95 citations98
US7080700B2Jul 25, 2006
Tractor with improved valve system
WESTERN WELL TOOL INC69 citations97
US7353886B2Apr 8, 2008
Tractor with improved valve system
WESTERN WELL TOOL INC45 citations96
US7188681B2Mar 13, 2007
Tractor with improved valve system
WESTERN WELL TOOL INC42 citations96
US7607495B2Oct 27, 2009
Tractor with improved valve system
WESTERN WELL TOOL INC28 citations92