Assignee
LEACH JOHN M
6 granted patents·56 citations·filing 1978–1982
Top patents by PatentIndex Score
6 records- 0158US4212385AArticle accumulation conveyorLEACH JOHN M·Filed 1978·Granted Jul 15, 1980·13 cites·10 claims
- 0254US4257519AFrictionless entry and release sprocketLEACH JOHN M·Filed 1979·Granted Mar 24, 1981·11 cites·8 claims
- 0351US4513857AConveyor linkageLEACH JOHN M·Filed 1982·Granted Apr 30, 1985·12 cites·1 claims
- 0451US4172519AArticle accumulation conveyorLEACH JOHN M·Filed 1978·Granted Oct 30, 1979·10 cites·11 claims
- 0544US4204593AArticle accumulation conveyorLEACH JOHN M·Filed 1978·Granted May 27, 1980·8 cites·8 claims
- 0630US4524862AScrew-jack type accumulation conveyorLEACH JOHN M·Filed 1982·Granted Jun 25, 1985·2 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →