Inventor
PERKINS RICHARD A
US9 patents
⚠️ This page may combine multiple inventors who share the name “PERKINS RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OWENS CORNING FIBERGLASS CORP
6 patentsUS4638491AJan 20, 1987
Method for protecting the heating electrodes of glass melting furnaces
OWENS CORNING FIBERGLASS CORP13 citations72
US4565559AJan 21, 1986
Protection device for basalt drain bushings
OWENS CORNING FIBERGLASS CORP14 citations72
US4313799AFeb 2, 1982
Oxygen sensor and method for determining the oxygen activity in molten glass
OWENS CORNING FIBERGLASS CORP18 citations72
US4536202AAug 20, 1985
Drain bushing
OWENS CORNING FIBERGLASS CORP8 citations70
US4438518AMar 20, 1984
Method for protecting forming bushings
OWENS CORNING FIBERGLASS CORP6 citations61
US4518406AMay 21, 1985
Drain bushing
OWENS CORNING FIBERGLASS CORP5 citations60