Ryan Hershey

VA Vesuvius U S A: 2 patents #5 of 32Top 20%

VC Vesuvius Crucible: 1 patents #42 of 106Top 40%

Overall (All Time): #1,468,015 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Patent #	Title	Co-Inventors	Date
10464848	Refractory binder system	James W. Stendera	2019-11-05
10295261	Refractory lining repair material	—	2019-05-21
9878953	Refractory binder system	James W. Stendera	2018-01-30