Assignee
BUHRER ERWIN
15 granted patents·95 citations·filing 1973–1978
Top patents by PatentIndex Score
15 records- 0186US4114675AMethod and apparatus for pouring a mold with a selectable amount of casting materialBUHRER ERWIN·Filed 1977·Granted Sep 19, 1978·20 cites·13 claims
- 0260US3974872AMethod and apparatus for production of casting moldsBUHRER ERWIN·Filed 1973·Granted Aug 17, 1976·15 cites·22 claims
- 0358US4063586AMold forming apparatus with mold flask stabilizing meansBUHRER ERWIN·Filed 1977·Granted Dec 20, 1977·9 cites·6 claims
- 0457US4199020APattern device for foundry moldsBUHRER ERWIN·Filed 1978·Granted Apr 22, 1980·7 cites·7 claims
- 0553US4167208AMethod and apparatus for the production of foundry moldsBUHRER ERWIN·Filed 1978·Granted Sep 11, 1979·6 cites·20 claims
- 0650US4203484AFoundry molding machine for the production of mold halves in mold boxesBUHRER ERWIN·Filed 1978·Granted May 20, 1980·5 cites·6 claims
- 0750US3989086AMethod of and apparatus for the production of mold parts for foundriesBUHRER ERWIN·Filed 1974·Granted Nov 2, 1976·10 cites·15 claims
- 0840US4084709ADevice for lifting-lowering and rotating operationsBUHRER ERWIN·Filed 1976·Granted Apr 18, 1978·6 cites·17 claims
- 0940US3970138APattern device including an upper trough pattern for the manufacture of the upper part of a foundry moldBUHRER ERWIN·Filed 1974·Granted Jul 20, 1976·6 cites·8 claims
- 1035US3997088AJet deflecting and energy dissipating pouring deviceBUHRER ERWIN·Filed 1974·Granted Dec 14, 1976·4 cites·10 claims
- 1135US3968830AMolding apparatus for compressing and vibrating foundry moldsBUHRER ERWIN·Filed 1974·Granted Jul 13, 1976·4 cites·12 claims
- 1233US4241778AMethod and apparatus for the removal of sand bales containing castings from molding boxes of poured foundry moldsBUHRER ERWIN·Filed 1978·Granted Dec 30, 1980·1 cites·10 claims
- 1332US4077459AMethod and apparatus for the production of foundry moldsBUHRER ERWIN·Filed 1975·Granted Mar 7, 1978·1 cites·23 claims
- 1430US4077461AApparatus for effecting simultaneous free-fall jolting and squeezing of foundry molds during production thereofBUHRER ERWIN·Filed 1975·Granted Mar 7, 1978·1 cites·11 claims
- 1529US4114678AMold forming apparatus with mold flask bracer meansBUHRER ERWIN·Filed 1977·Granted Sep 19, 1978·0 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →