JS

John J. Stephansky

HR Harbison-Walker Refractories: 6 patents #1 of 22Top 5%
DI Dresser Industries: 1 patents #301 of 787Top 40%
Overall (All Time): #737,419 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
RE45360 Rotary kiln heat exchanger and method of assembling same John Thibault, John N. Snyder 2015-02-03
RE44612 Rotary kiln heat exchanger and method of assembling same John Thibault, John N. Snyder 2013-11-26
D598572 Refractory brick 2009-08-18
D591778 Refractory block John E. Berry 2009-05-05
D567829 Refractory block John E. Berry 2008-04-29
6688884 Rotary kiln heat exchanger and method of assembling same John Thibault, John N. Snyder 2004-02-10
5151200 High aluminia tar-impregnated pressure pouring tubes John Sutton 1992-09-29