Inventor

DOUTRE DON A

CA5 patents

⚠️ This page may combine multiple inventors who share the name “DOUTRE DON A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALCAN INT LTD

3 patents

US4926114AMay 15, 1990

Apparatus for studying particles having an aperture whose cross-sectional area changes progressively along at least part of its length

ALCAN INT LTD31 citations90

US4907440AMar 13, 1990

Probe for the determination of gas concentration in molten metal

ALCAN INT LTD22 citations81

US5031444AJul 16, 1991

Method and apparatus for the determination of gas concentration in molten metal and metal matrix composites

ALCAN INT LTD15 citations72

LIMCA RESEARCH INC

2 patents

US4600880AJul 15, 1986

Apparatus for the detection and measurement of particulates in molten metal

LIMCA RESEARCH INC47 citations89

US4555662ANov 26, 1985

Method and apparatus for the detection and measurement of particulates in molten metal

LIMCA RESEARCH INC44 citations89