Inventor

PEARCE JAI K

US6 patents

Patents

6 patents

US3948644AApr 6, 1976

Steel making vessel with dust recycling method and means

PENNSYLVANIA ENGINEERING CORP26 citations74

US4036481AJul 19, 1977

Steel converter vessel tuyere block construction

PENNSYLVANIA ENGINEERING CORP6 citations72

US4483709ANov 20, 1984

Steel production method

PENNSYLVANIA ENGINEERING CORP12 citations71

US4302244ANov 24, 1981

Steel conversion method

PENNSYLVANIA ENGINEERING CORP11 citations69

US4123042AOct 31, 1978

Steel converter vessel tuyere block construction

PENNSYLVANIA ENGINEERING CORP2 citations61

US3951643AApr 20, 1976

Steel production method

PENNSYLVANIA ENGINEERING CORP3 citations60