Inventor
HALL RICHARD G
US8 patents
⚠️ This page may combine multiple inventors who share the name “HALL RICHARD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTH AMERICAN REFRACTORIES
5 patentsUS5137189AAug 11, 1992
Porous refractory nozzle and method of making same
NORTH AMERICAN REFRACTORIES23 citations85
US5916471AJun 29, 1999
Rotary socket taphole assembly
NORTH AMERICAN REFRACTORIES12 citations72
US5866022AFeb 2, 1999
Refractory pour tube with cast plate
NORTH AMERICAN REFRACTORIES12 citations72
US6221313B1Apr 24, 2001
Taphole knockout device
NORTH AMERICAN REFRACTORIES3 citations61
US5730921AMar 24, 1998
Co-molding process for producing refractory materials without firing or coking the refractory
NORTH AMERICAN REFRACTORIES2 citations61