Inventor · disambiguated record
William E. Marhofer
Also filed as: MARHOFER WILLIAM E · MARHOFER WILLIAM ELI
3 granted patents·1 pending application·191 citations·filing 1997–2003
76Inventor score
Technology areasB23K
Top patents by PatentIndex Score
4 records- 0189US5932123AMobile automated pipeline welding and quality control systemO J PIPELINES CORP·Filed 1997·Granted Aug 3, 1999·157 cites·17 claims
- 0273US6657161B2External pipe welding apparatusO J PIPELINES CANADA·Filed 2001·Granted Dec 2, 2003·20 cites·18 claims
- 0367US6953909B2External pipe welding apparatusO J PIPELINES CANADA·Filed 2003·Granted Oct 11, 2005·14 cites·20 claims
- 0431US2003047585A1Welding carriageFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →