FW

Frank E. Wagstaff

WI Wagstaff Engineering Incorporated: 7 patents #1 of 6Top 20%
WA Wagstaff: 5 patents #7 of 31Top 25%
📍 Spokane, WA: #59 of 1,134 inventorsTop 6%
🗺 Washington: #8,536 of 76,902 inventorsTop 15%
Overall (All Time): #428,301 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6085828 Molten metal admission control in casting Aaron David Sinden, David A. Salee 2000-07-11
5850870 Molten metal admission control in casting Aaron David Sinden, David A. Salee 1998-12-22
5709260 Molten metal admission control in casting Aaron David Sinden, David A. Salee 1998-01-20
5323841 Annular metal casting unit Robert Bruce Wagstaff, David A. Fort, Richard J. Collins 1994-06-28
5318098 Metal casting unit Robert Bruce Wagstaff, David A. Fort, Richard J. Collins 1994-06-07
5119883 Apparatus and process for direct cooling an emerging ingot with gas-laden coolant Robert Bruce Wagstaff, Hans Fischer 1992-06-09
5040595 Means and technique for direct cooling an emerging ingot with gas-laden coolant 1991-08-20
4947925 Means and technique for forming the cavity of an open-ended mold David A. Fort 1990-08-14
4693298 Means and technique for casting metals at a controlled direct cooling rate 1987-09-15
4598763 Direct chill metal casting apparatus and technique William G. Wagstaff, Richard J. Collins 1986-07-08
4597432 Molding device Richard J. Collins, William G. Wagstaff 1986-07-01
4421155 Machine duplicatable, direct chill flat ingot casting mold with controlled corner water and adjustable crown forming capability 1983-12-20