Inventor · disambiguated record
John A. Kirkpatrick
Also filed as: KIRKPATRICK JOHN A
5 granted patents·80 citations·filing 1982–1987
81Inventor score
Technology areasB21D
Top patents by PatentIndex Score
5 records- 0175US4785648AMethod and apparatus for embossing the inside surface of a cup-shaped articleALLIED PROD CORP·Filed 1987·Granted Nov 22, 1988·25 cites·25 claims
- 0275US4562719AMethod for drawing heavy wall shells with a multi-step inside edgeVERSON ALLSTEEL PRESS CO·Filed 1985·Granted Jan 7, 1986·25 cites·7 claims
- 0359US4527413AApparatus for drawing heavy wall shells with a multi-step inside edgeVERSON ALLSTEEL PRESS CO·Filed 1983·Granted Jul 9, 1985·14 cites·17 claims
- 0445US4509356AMethod and apparatus for drawing heavy wall shellsVERSON ALLSTEEL PRESS CO·Filed 1982·Granted Apr 9, 1985·8 cites·9 claims
- 0543US4559802AMethod for drawing heavy wall shellsVERSON ALLSTEEL PRESS CO·Filed 1985·Granted Dec 24, 1985·8 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when John A. Kirkpatrick 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 →