Robert T. Woodings

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Drill rod with axial air passageway and method of making same
- Patent number 6,220,373
- Issue date Apr 24, 2001
- Robert T. Woodings
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tap hole drill for steelmaking vessel
- Patent number 5,735,647
- Issue date Apr 7, 1998
- Woodings Industrial Corporation
- Robert T. Woodings
- C21 - METALLURGY OF IRON
Information Patent Grant
Hand connect-disconnect coupling for blast furnace tap hole drill r...
- Patent number 5,169,256
- Issue date Dec 8, 1992
- Woodings Industrial Corporation
- Robert T. Woodings
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blast furnace tap hole drill with centralizing drill rod support
- Patent number 5,069,430
- Issue date Dec 3, 1991
- Woodings Industrial Corporation
- Robert T. Woodings
- C21 - METALLURGY OF IRON
Information Patent Grant
Quick connect-disconnect coupling for blast furnace tap hole drill bit
- Patent number 5,020,780
- Issue date Jun 4, 1991
- Woodings Industrial Corporation
- Robert T. Woodings
- C21 - METALLURGY OF IRON
Information Patent Grant
Extension bar for blast furnace tap hole drill
- Patent number 5,005,807
- Issue date Apr 9, 1991
- Woodings Industrial Corporation
- Ronald J. Mathews
- C21 - METALLURGY OF IRON