GS

Geoffrey K. Sigworth

KA Kb Alloys: 6 patents #3 of 18Top 20%
CA Cabot: 1 patents #336 of 601Top 60%
🗺 Pennsylvania: #6,628 of 74,527 inventorsTop 9%
Overall (All Time): #427,414 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6645321 Method for grain refinement of high strength aluminum casting alloys 2003-11-11
6368427 Method for grain refinement of high strength aluminum casting alloys 2002-04-09
6073677 Method for optimization of the grain refinement of aluminum alloys Lennart Backerud, Mats Johnsson 2000-06-13
5495746 Gas analyzer for molten metals 1996-03-05
5345808 Gas analyzer for molten metals 1994-09-13
5180447 Grain refiner for aluminum containing silicon Matthew M. Guzowski 1993-01-19
5100488 Third element additions to aluminum-titanium master alloys 1992-03-31
5055256 Grain refiner for aluminum containing silicon Matthew M. Guzowski 1991-10-08
5041263 Third element additions to aluminum-titanium master alloys 1991-08-20
4873054 Third element additions to aluminum-titanium master alloys 1989-10-10
4812290 Third element additions to aluminum-titanium master alloys 1989-03-14
4612073 Aluminum grain refiner containing duplex crystals Matthew M. Guzowski, David A. Sentner 1986-09-16