Inventor · disambiguated record
Andrew A. Hetra, Jr.
Also filed as: HETRA ANDREW A JR · HETRA JR ANDREW A
2 granted patents·8 citations·filing 1978–1981
52Inventor score
Files withUNITED STATES STEEL CORP2
Top patents by PatentIndex Score
2 records- 0133US4364468AApparatus for co-ordinating indexing movement of a conveyor with pivoting of a kickout arm adjacent the delivery end thereofUNITED STATES STEEL CORP·Filed 1981·Granted Dec 21, 1982·6 cites·7 claims
- 0226US4165866ADevice for skimming floating material from a body of liquidUNITED STATES STEEL CORP·Filed 1978·Granted Aug 28, 1979·2 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Andrew A. Hetra, Jr. 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 →