Inventor · disambiguated record

Thomas D. Mcewan

Also filed as: MCEWAN THOMAS D

2 granted patents·16 citations·filing 1991–1996

58Inventor score

Technology areasC01G C22B

Files withENVIROCHIP TECHNOLOGIES LTD1 ENVIRONCHIP TECHNOLOGIES INC1

Top patents by PatentIndex Score

2 records

0151US5188713AProcess for recovery of metalENVIROCHIP TECHNOLOGIES LTD·Filed 1991·Granted Feb 23, 1993·10 cites·22 claims
0226US5624650ANitric acid process for ferric sulfate productionENVIRONCHIP TECHNOLOGIES INC·Filed 1996·Granted Apr 29, 1997·6 cites·38 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →