Assignee
HATCH ASS LTD
CA·16 granted patents·1 pending application·326 citations·filing 1977–2002
Top patents by PatentIndex Score
17 records- 0189US6603795B2Power control system for AC electric arc furnaceHATCH ASS LTD·Filed 2001·Granted Aug 5, 2003·55 cites·29 claims
- 0283US6857464B2Adjustable casting moldHATCH ASS LTD·Filed 2002·Granted Feb 22, 2005·21 cites·48 claims
- 0381US6573691B2Control system and method for voltage stabilization in electric power systemHATCH ASS LTD·Filed 2001·Granted Jun 3, 2003·76 cites·38 claims
- 0471US6168532B1Multi-configuration sports/recreation facilityHATCH ASS LTD·Filed 1997·Granted Jan 2, 2001·34 cites·7 claims
- 0570US5867523AElectric furnace with conductive hearthHATCH ASS LTD·Filed 1996·Granted Feb 2, 1999·14 cites·15 claims
- 0670US5082493AProcessing of carbon steel furnace dustsHATCH ASS LTD·Filed 1991·Granted Jan 21, 1992·20 cites·7 claims
- 0769US6377605B1Electrode seal for arc furnaceHATCH ASS LTD·Filed 2001·Granted Apr 23, 2002·14 cites·16 claims
- 0868US4573523AMethod of and apparatus for continuous centrifugal castingHATCH ASS LTD·Filed 1984·Granted Mar 4, 1986·10 cites·11 claims
- 0958US5406580AElectrode seal for arc furnacesHATCH ASS LTD·Filed 1993·Granted Apr 11, 1995·19 cites·12 claims
- 1057US4126425AGas mixer for sublimation purposesHATCH ASS LTD·Filed 1977·Granted Nov 21, 1978·24 cites·8 claims
- 1146US2003110065A1Method for enhancing sustainabilityHATCH ASS LTD·Filed 2001·Application pending·0 cites
- 1242US5468190AMulti-purpose arenaHATCH ASS LTD·Filed 1993·Granted Nov 21, 1995·14 cites·11 claims
- 1341US4226332AEqualization system for overhead cranesHATCH ASS LTD·Filed 1979·Granted Oct 7, 1980·6 cites·3 claims
- 1439US6270550B1Method for direct reduction of iron bearing pellets or lump iron oreHATCH ASS LTD·Filed 1999·Granted Aug 7, 2001·6 cites·9 claims
- 1531US5471020AModal silencerHATCH ASS LTD·Filed 1993·Granted Nov 28, 1995·12 cites·4 claims
- 1630US4735549ABillet turning deviceHATCH ASS LTD·Filed 1987·Granted Apr 5, 1988·1 cites·9 claims
- 1722US6520388B1Casting furnace and method for continuous casting of molten magnesiumHATCH ASS LTD·Filed 2000·Granted Feb 18, 2003·0 cites·14 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →