Inventor
BOLT DAVID J
US12 patents
⚠️ This page may combine multiple inventors who share the name “BOLT DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VEEDER ROOT CO
5 patentsUS7946309B2May 24, 2011
Vacuum-actuated shear valve device, system, and method, particularly for use in service station environments
VEEDER ROOT CO14 citations91
US7503205B2Mar 17, 2009
Redundant vacuum source for secondary containment monitoring and leak detection system and method
VEEDER ROOT CO22 citations90
US7555935B2Jul 7, 2009
End-of-line zone integrity detection for a piping network in a secondary containment monitoring and leak detection system
VEEDER ROOT CO17 citations89
US7753067B2Jul 13, 2010
Shear valve employing two-stage poppet valve, particularly for use in fueling environments
VEEDER ROOT CO3 citations60
US7681583B2Mar 23, 2010
Double-walled contained shear valve, particularly for fueling environments
VEEDER ROOT CO5 citations60