Inventor
JOHNSON JEREMY I
US16 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON JEREMY I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EJ USA INC
6 patentsUS8784000B2Jul 22, 2014
Explosion mitigating cover
EJ USA INC16 citations82
US8727659B1May 20, 2014
Manhole cover with insert
EJ USA INC11 citations82
US8714867B1May 6, 2014
Explosion mitigating cover
EJ USA INC14 citations80
US9004810B2Apr 14, 2015
Explosion mitigating cover
EJ USA INC5 citations71
US9340948B2May 17, 2016
Explosion mitigating vault
EJ USA INC6 citations70
USD732944SJun 30, 2015
Security bolt
EJ USA INC1 citations50
EAST JORDAN IRON WORKS INC
5 patentsUS7341398B2Mar 11, 2008
Lift-assisted manhole cover
EAST JORDAN IRON WORKS INC31 citations84
US7832958B2Nov 16, 2010
Swing-out manhole cover
EAST JORDAN IRON WORKS INC9 citations80
US7905679B2Mar 15, 2011
Dual lifting manhole cover
EAST JORDAN IRON WORKS INC7 citations77
US7712515B2May 11, 2010
Municipal casting frame and method of manufacturing same
EAST JORDAN IRON WORKS INC13 citations74
US7726903B2Jun 1, 2010
Manhole system
EAST JORDAN IRON WORKS INC5 citations60