Inventor · disambiguated record
Donald E. Christofer
Also filed as: CHRISTOFER DONALD E
11 granted patents·229 citations·filing 1973–1982
92Inventor score
Top patents by PatentIndex Score
11 records- 0192US4008658AApparatus for receiving and compacting waste materialSTOCK EQUIPMENT CO·Filed 1975·Granted Feb 22, 1977·35 cites·10 claims
- 0282US3940577AMethod and apparatus for controlling a transfer car from a remote stationSTOCK EQUIPMENT CO·Filed 1974·Granted Feb 24, 1976·28 cites·15 claims
- 0378US4151983ACrane grab apparatusSTOCK EQUIP·Filed 1976·Granted May 1, 1979·28 cites·9 claims
- 0476US4572710AMethod and apparatus for changing filters in nuclear power stationsGEN SIGNAL CORP·Filed 1982·Granted Feb 25, 1986·20 cites·10 claims
- 0576US4257518AFeeder for particulate materialSTOCK EQUIPMENT CO·Filed 1978·Granted Mar 24, 1981·24 cites·6 claims
- 0675US3972420ACrane apparatusSTOCK EQUIPMENT CO·Filed 1973·Granted Aug 3, 1976·25 cites·32 claims
- 0775US3940628AApparatus and process for handling dangerous fluent materialSTOCK EQUIPMENT CO·Filed 1973·Granted Feb 24, 1976·21 cites·10 claims
- 0866US3966175AApparatus for introducing particulate material into a containerSTOCK EQUIPMENT CO·Filed 1973·Granted Jun 29, 1976·15 cites·12 claims
- 0956US4030708AProcess for introducing particulate material into a containerSTOCK EQUIPMENT CO·Filed 1976·Granted Jun 21, 1977·17 cites·13 claims
- 1054US3932979AApparatus for inserting closure means into a containerSTOCK EQUIPMENT CO·Filed 1973·Granted Jan 20, 1976·12 cites·25 claims
- 1134US3994626APump apparatusSTOCK EQUIPMENT CO·Filed 1973·Granted Nov 30, 1976·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →