Inventor · disambiguated record
Alexander I. Wallstein
Also filed as: WALLSTEIN ALEXANDER I
6 granted patents·2 pending applications·58 citations·filing 2001–2009
83Inventor score
Top patents by PatentIndex Score
8 records- 0177US7384216B2Cable coupler having retained wedgesDYWIDAG SYSTEMS INTERNAT USA·Filed 2005·Granted Jun 10, 2008·10 cites·22 claims
- 0270US7066688B2Wedge barrel for a twin cable mine roof boltDYWIDAG SYSTEMS INTERNAT USA·Filed 2005·Granted Jun 27, 2006·10 cites·27 claims
- 0369US7690868B2Cable coupler having retained wedgesDSI GROUND SUPPORT INC·Filed 2008·Granted Apr 6, 2010·8 cites·16 claims
- 0465US6881015B2Wedge barrel for a mine roof cable boltDYWIDAG SYSTEMS INTERNATIONAL·Filed 2003·Granted Apr 19, 2005·19 cites·22 claims
- 0561US7802943B2Low profile mine roof supportDSI GROUND SUPPORT INC·Filed 2008·Granted Sep 28, 2010·4 cites·24 claims
- 0651US7118310B2Truss shoe for a mine roof and methodDYWIDAG SYSTEMS INTERNATIONAL·Filed 2003·Granted Oct 10, 2006·7 cites·34 claims
- 0751US2010080649A1Cable Coupler Having Retained WedgesDSI GROUND SUPPORT INC·Filed 2009·Application pending·0 cites
- 0842US2002007604A1Intermediate anchorage for concrete structuresFiled 2001·Application pending·0 cites
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