Assignee
INSUL CO INC
US·20 granted patents·278 citations·filing 1978–1997
Top patents by PatentIndex Score
20 records- 0184US4239602AAscension pipe elbow lid for coke ovensINSUL CO INC·Filed 1979·Granted Dec 16, 1980·84 cites·6 claims
- 0283US4553743AElevated device for placing slag retention means in tapping convertersINSUL CO INC·Filed 1984·Granted Nov 19, 1985·14 cites·4 claims
- 0381US4836433ADevice for introducing stirring gas into molten metal in metered amountINSUL CO INC·Filed 1988·Granted Jun 6, 1989·18 cites·6 claims
- 0478US4687184ADevice for introducing gas into molten metal in a wide annular streamINSUL CO INC·Filed 1986·Granted Aug 18, 1987·16 cites·10 claims
- 0575US4744544ARefractory erosion visual indicatorINSUL CO INC·Filed 1987·Granted May 17, 1988·15 cites·8 claims
- 0673US4610436ASlag retaining device with self-aligning tipINSUL CO INC·Filed 1985·Granted Sep 9, 1986·20 cites·6 claims
- 0768US4637592AElevated swinging device for placing slag retention devices in tapping convertersINSUL CO INC·Filed 1985·Granted Jan 20, 1987·18 cites·3 claims
- 0866US4640498AHorizontally and vertically movable elevated apparatus for placing slag retaining means in tapping convertersINSUL CO INC·Filed 1985·Granted Feb 3, 1987·15 cites·8 claims
- 0965US5225143ADevice for directional gas distribution into molten metalINSUL CO INC·Filed 1991·Granted Jul 6, 1993·13 cites·5 claims
- 1064US5871687AConsumable recharging boxINSUL CO INC·Filed 1997·Granted Feb 16, 1999·10 cites·26 claims
- 1163US5065986AAutomatic gas hookup to a ladleINSUL CO INC·Filed 1990·Granted Nov 19, 1991·10 cites·5 claims
- 1263US4588170ASide mounted lance for ladlesINSUL CO INC·Filed 1985·Granted May 13, 1986·12 cites·7 claims
- 1352US4783058ALance for treating molten metalINSUL CO INC·Filed 1988·Granted Nov 8, 1988·6 cites·7 claims
- 1446US4552343ACombination electric furnace and slag retaining pouring spoutINSUL CO INC·Filed 1985·Granted Nov 12, 1985·10 cites·11 claims
- 1544US5284328AConsumable charge box and assembly for recharging material into a furnace or vessel for producing molten metalINSUL CO INC·Filed 1993·Granted Feb 8, 1994·5 cites·12 claims
- 1644US4898369ALance with metered core for treating molten metalINSUL CO INC·Filed 1989·Granted Feb 6, 1990·5 cites·9 claims
- 1744US4783061ATundish linerINSUL CO INC·Filed 1987·Granted Nov 8, 1988·4 cites·6 claims
- 1837US4186908AExpandable hot top for ingot mouldsINSUL CO INC·Filed 1978·Granted Feb 5, 1980·2 cites·5 claims
- 1931US4783059ATuyere for treating molten metalINSUL CO INC·Filed 1988·Granted Nov 8, 1988·1 cites·6 claims
- 2029US4244552ACorner wedging consumable hot topINSUL CO INC·Filed 1979·Granted Jan 13, 1981·0 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →