Assignee
WOODINGS IND CORP
US·9 granted patents·128 citations·filing 1979–2004
Top patents by PatentIndex Score
9 records- 0175US5020780AQuick connect-disconnect coupling for blast furnace tap hole drill bitWOODINGS IND CORP·Filed 1990·Granted Jun 4, 1991·27 cites·26 claims
- 0268US5069430ABlast furnace tap hole drill with centralizing drill rod supportWOODINGS IND CORP·Filed 1990·Granted Dec 3, 1991·20 cites·10 claims
- 0362US5005807AExtension bar for blast furnace tap hole drillWOODINGS IND CORP·Filed 1990·Granted Apr 9, 1991·15 cites·17 claims
- 0460US5735647ATap hole drill for steelmaking vesselWOODINGS IND CORP·Filed 1996·Granted Apr 7, 1998·21 cites·20 claims
- 0559US5169256AHand connect-disconnect coupling for blast furnace tap hole drill rod assemblyWOODINGS IND CORP·Filed 1990·Granted Dec 8, 1992·16 cites·15 claims
- 0651US4273202ADrilling bit for blast furnace tap holesWOODINGS IND CORP·Filed 1979·Granted Jun 16, 1981·8 cites·5 claims
- 0746US6732820B1Method and apparatus for boring through a solid materialWOODINGS IND CORP·Filed 1999·Granted May 11, 2004·10 cites·7 claims
- 0840US6892831B2Method and apparatus for boring through a solid materialWOODINGS IND CORP·Filed 2004·Granted May 17, 2005·3 cites·18 claims
- 0938US6152643ACoupling for inserting a soaking bar into a blast furnace tap holeWOODINGS IND CORP·Filed 1998·Granted Nov 28, 2000·8 cites·9 claims
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