Inventor · disambiguated record
John Cowan
Also filed as: COWAN JOHN · COWAN JOHN GERALD
3 granted patents·66 citations·filing 1974–1992
70Inventor score
Top patents by PatentIndex Score
3 records- 0183US3978712AMethod and apparatus for testing wear, size and residual stress conditionsSCANNING SYSTEMS·Filed 1974·Granted Sep 7, 1976·57 cites·21 claims
- 0243USD329789SCan openerEDLUND COMPANY INC·Filed 1990·Granted Sep 29, 1992·5 cites·1 claims
- 0329US5331889AManual multiple size can crusherEDLUND COMPANY INC·Filed 1992·Granted Jul 26, 1994·4 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when John Cowan files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →