Inventor · disambiguated record
Geoffrey K. Sigworth
Also filed as: SIGWORTH GEOFFREY · SIGWORTH GEOFFREY K
12 granted patents·1 pending application·398 citations·filing 1984–2001
93Inventor score
Top patents by PatentIndex Score
13 records- 0197US6368427B1Method for grain refinement of high strength aluminum casting alloysFiled 2000·Granted Apr 9, 2002·130 cites·46 claims
- 0293US5495746AGas analyzer for molten metalsFiled 1994·Granted Mar 5, 1996·133 cites·11 claims
- 0381US6645321B2Method for grain refinement of high strength aluminum casting alloysFiled 2001·Granted Nov 11, 2003·15 cites·9 claims
- 0479US4612073AAluminum grain refiner containing duplex crystalsCABOT CORP·Filed 1984·Granted Sep 16, 1986·27 cites·2 claims
- 0569US5055256AGrain refiner for aluminum containing siliconKB ALLOYS INC·Filed 1988·Granted Oct 8, 1991·18 cites·7 claims
- 0664US5180447AGrain refiner for aluminum containing siliconKB ALLOYS INC·Filed 1990·Granted Jan 19, 1993·16 cites·7 claims
- 0761US4812290AThird element additions to aluminum-titanium master alloysKB ALLOYS INC·Filed 1986·Granted Mar 14, 1989·13 cites·13 claims
- 0859US4873054AThird element additions to aluminum-titanium master alloysKB ALLOYS INC·Filed 1988·Granted Oct 10, 1989·12 cites·22 claims
- 0955US5041263AThird element additions to aluminum-titanium master alloysKB ALLOYS INC·Filed 1989·Granted Aug 20, 1991·10 cites·3 claims
- 1051US5100488AThird element additions to aluminum-titanium master alloysKB ALLOYS INC·Filed 1989·Granted Mar 31, 1992·9 cites·5 claims
- 1148US6073677AMethod for optimization of the grain refinement of aluminum alloysOPTICAST AB·Filed 1996·Granted Jun 13, 2000·11 cites·12 claims
- 1245US2003068249A1Method for grain refinement of high strength aluminum casting alloysFiled 2001·Application pending·0 cites
- 1327US5345808AGas analyzer for molten metalsSIGWORTH GEOFFREY K·Filed 1993·Granted Sep 13, 1994·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →