Inventor · disambiguated record
Robert E. Dummer
Also filed as: DUMMER ROBERT E
4 granted patents·77 citations·filing 1977–1997
78Inventor score
Top patents by PatentIndex Score
4 records- 0160US4304337AMarine crane lifting controlBUCYRUS ERIE CO·Filed 1980·Granted Dec 8, 1981·18 cites·9 claims
- 0253US4382360AUnloading arrangement for hydraulic swing circuit or the likeBUCYRUS ERIE CO·Filed 1980·Granted May 10, 1983·14 cites·8 claims
- 0353US4109733ATilt preventing system for drillsBUCYRUS ERIE CO·Filed 1977·Granted Aug 29, 1978·19 cites·5 claims
- 0445US5927408AHead brake release with memory and method of controlling a drill headBUCYRUS INT INC·Filed 1997·Granted Jul 27, 1999·26 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Robert E. Dummer 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 →