Inventor · disambiguated record
Thomas D. Grau
Also filed as: GRAU THOMAS D
6 granted patents·1 pending application·78 citations·filing 1988–2006
82Inventor score
Top patents by PatentIndex Score
7 records- 0183US5028368AMethod of forming lined pipeINT PIPE MACHINERY CORP·Filed 1989·Granted Jul 2, 1991·46 cites·17 claims
- 0246US5139404AApparatus for making lined pipeINT PIPE MACHINERY CORP·Filed 1991·Granted Aug 18, 1992·9 cites·11 claims
- 0345US2007035065A1Concrete pipe manufacturing machinery and methodGRAU THOMAS D·Filed 2006·Application pending·0 cites
- 0441US5364578ACombination counter rotating packerhead and vibrator assembly and method of operation thereofINT PIPE MACHINERY CORP·Filed 1992·Granted Nov 15, 1994·10 cites·18 claims
- 0540US7125239B2Concrete pipe manufacturing machinery and methodsINTERNAT PIPE MACHINERY CORP·Filed 2003·Granted Oct 24, 2006·1 cites·9 claims
- 0637US4861252AVibrator type concrete pipe making machines having combined lubrication and cooling systemINT PIPE MACHINERY CORP·Filed 1988·Granted Aug 29, 1989·7 cites·3 claims
- 0732US5433523AVibratorsINT PIPE MACHINERY CORP·Filed 1994·Granted Jul 18, 1995·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →