Inventor
HAGER JOHN P
US14 patents
⚠️ This page may combine multiple inventors who share the name “HAGER JOHN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IRON CARBIDE HOLDINGS LTD
5 patentsUS5366897ANov 22, 1994
Method for controlling the conversion of iron-containing reactor feed into iron carbide
IRON CARBIDE HOLDINGS LTD26 citations91
US5118479AJun 2, 1992
Process for using fluidized bed reactor
IRON CARBIDE HOLDINGS LTD33 citations91
US5073194ADec 17, 1991
Process for controlling the product quality in the conversion of reactor feed into iron carbide
IRON CARBIDE HOLDINGS LTD36 citations91
US5137566AAug 11, 1992
Process for preheating iron-containing reactor feed prior to being treated in a fluidized bed reactor
IRON CARBIDE HOLDINGS LTD48 citations89
US6428763B1Aug 6, 2002
Process for the production of iron carbide from iron oxide using external sources of carbon monoxide
IRON CARBIDE HOLDINGS LTD9 citations72
DU PONT
3 patentsUS5223021AJun 29, 1993
Iron as a co-additive in refining crude lead bullion
DU PONT5 citations58
US5183496AFeb 2, 1993
Copper speiss as a co-additive in refining crude lead bullion
DU PONT2 citations58
US5183497AFeb 2, 1993
Iron and a copper speiss as co-additives in refining crude lead bullion
DU PONT1 citations47