Inventor · disambiguated record
Ralph K. Johnson
Also filed as: JOHNSON RALPH K
7 granted patents·146 citations·filing 1984–1989
86Inventor score
Top patents by PatentIndex Score
7 records- 0185US4506652APizza ovenNIECO CORP·Filed 1984·Granted Mar 26, 1985·72 cites·5 claims
- 0283US5060132AMethod of modeling and control for delignification of pulpingELSAG INT BV·Filed 1989·Granted Oct 22, 1991·30 cites·1 claims
- 0357US5032977ASystem for modeling and control for delignification of pulpingELSAG INT BV·Filed 1989·Granted Jul 16, 1991·18 cites·2 claims
- 0441US4978425AMethod for controlling the degree of cooking in a digesterELSAG INT BV·Filed 1989·Granted Dec 18, 1990·9 cites·4 claims
- 0540US4685072ASteam generator on-line efficiency monitorBABCOCK & WILCOX CO·Filed 1985·Granted Aug 4, 1987·8 cites·7 claims
- 0634US4990219AApparatus for controlling the degree of cooking in a digesterELSAG INT BV·Filed 1989·Granted Feb 5, 1991·5 cites·5 claims
- 0733US5032976ASystem for modeling and control for delignification of pulpingELSAG INT BV·Filed 1989·Granted Jul 16, 1991·4 cites·3 claims
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