Inventor · disambiguated record
Herbert L. Johns
Also filed as: JOHNS HERBERT L
5 granted patents·125 citations·filing 1975–1994
83Inventor score
Top patents by PatentIndex Score
5 records- 0184US4621936AZirconia pen ballsCORNING GLASS WORKS·Filed 1983·Granted Nov 11, 1986·45 cites·9 claims
- 0275US4035191ATetragonally stabilized zirconia ceramicCORNING GLASS WORKS·Filed 1975·Granted Jul 12, 1977·26 cites·10 claims
- 0362US4203772APorous zirconia containing ceramicsCORNING GLASS WORKS·Filed 1978·Granted May 20, 1980·17 cites·15 claims
- 0451US4906349AProcess for the manufacture of a measuring probe for a measuring head to detect the oxygen activity of metal melts and a measuring probe manufactured by such a processZIRCOA INCORPORATION·Filed 1988·Granted Mar 6, 1990·20 cites·52 claims
- 0550US5484559AApparatus and process for manufacturing balls made of a ceramic materialZIRCOA INC·Filed 1994·Granted Jan 16, 1996·17 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Herbert L. Johns 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 →