Assignee
KRUPP STAHL AG
DE·7 granted patents·73 citations·filing 1981–1986
Top patents by PatentIndex Score
7 records- 0165US4714500AMethod for thermal treatment of pearlitic rail steelsKRUPP STAHL AG·Filed 1985·Granted Dec 22, 1987·18 cites·6 claims
- 0264US4496183AVibration-damped wheel for rail vehiclesKRUPP STAHL AG·Filed 1981·Granted Jan 29, 1985·17 cites·20 claims
- 0361US4659398AMethod for reducing internal stresses of roller straightened railsKRUPP STAHL AG·Filed 1986·Granted Apr 21, 1987·10 cites·6 claims
- 0461US4575397ARail having high resistance to wear in its head and high resistance to rupture in its footKRUPP STAHL AG·Filed 1984·Granted Mar 11, 1986·18 cites·11 claims
- 0529US4481638AElectric arc furnaceKRUPP STAHL AG·Filed 1982·Granted Nov 6, 1984·2 cites·17 claims
- 0627US4411524AApparatus for the spectrometric analysis of the chemical composition of metallic partsKRUPP STAHL AG·Filed 1981·Granted Oct 25, 1983·8 cites·9 claims
- 0717US4604135AApparatus and process for the metallurgical aftertreatment of premelted metalsKRUPP STAHL AG·Filed 1985·Granted Aug 5, 1986·0 cites·5 claims
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