Assignee
NORTHWEST ENG CO
10 granted patents·112 citations·filing 1974–1979
Top patents by PatentIndex Score
10 records- 0173US4011936AConveyor positioning structure for loading and conveying machinesNORTHWEST ENG CO·Filed 1976·Granted Mar 15, 1977·26 cites·16 claims
- 0253US4261451AClutch drag controls for hoist drumNORTHWEST ENG CO·Filed 1979·Granted Apr 14, 1981·15 cites·14 claims
- 0350US4142308ALinkage mechanism for digging implementNORTHWEST ENG CO·Filed 1978·Granted Mar 6, 1979·12 cites·13 claims
- 0450US4011937AApron attitude adjustment for loading and conveying machinesNORTHWEST ENG CO·Filed 1976·Granted Mar 15, 1977·13 cites·12 claims
- 0550US3967706AMaterial handling apparatus with improved fail-safe brake systemNORTHWEST ENG CO·Filed 1974·Granted Jul 6, 1976·10 cites·1 claims
- 0646US4244447AMobile power crane-excavator with open gear greasingNORTHWEST ENG CO·Filed 1979·Granted Jan 13, 1981·14 cites·8 claims
- 0740US4024957ACrane with foldable boomNORTHWEST ENG CO·Filed 1975·Granted May 24, 1977·12 cites·7 claims
- 0828US4078679AMetering flow device for loading and conveying machinesNORTHWEST ENG CO·Filed 1977·Granted Mar 14, 1978·4 cites·8 claims
- 0926US4109771ASafety lockout for engine clutchNORTHWEST ENG CO·Filed 1977·Granted Aug 29, 1978·4 cites·4 claims
- 1022US3944099ALoad holding device for mobile power crane excavators and the likeNORTHWEST ENG CO·Filed 1974·Granted Mar 16, 1976·2 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →