Inventor · disambiguated record
Earl Colvin
Also filed as: COLVIN EARL · COLVIN EARL D
2 granted patents·1 pending application·31 citations·filing 1990–2019
57Inventor score
Top patents by PatentIndex Score
3 records- 0169US4973822AGas metal arc welding and shielding gas thereforUNION CARBIDE IND GASES TECH·Filed 1990·Granted Nov 27, 1990·30 cites·17 claims
- 0253US11071284B2Manual reel retractable leash apparatusCOLVIN EARL·Filed 2019·Granted Jul 27, 2021·1 cites·9 claims
- 0322US2005072761A1Gas metal arc welding of uncoated steels and shielding gas thereforFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →