Inventor · disambiguated record
John Mcgowan
Also filed as: MCGOWAN JOHN · MCGOWAN JOHN B · MCGOWAN SR JOHN B
3 granted patents·55 citations·filing 1979–2021
68Inventor score
Top patents by PatentIndex Score
3 records- 0174US4958657AGas supply safety deviceUMAC INC·Filed 1989·Granted Sep 25, 1990·41 cites·17 claims
- 0260US12138496B2Personal protective equipment face coverings with inherently ionic materialION CLAIRETY LLC·Filed 2021·Granted Nov 12, 2024·0 cites·20 claims
- 0354US4295494AMethod and apparatus for plugging and cutting a gas line or the like without excavationUMAC INC·Filed 1979·Granted Oct 20, 1981·14 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →