Assignee
FREEMAN JOHN E
3 granted patents·2 pending applications·74 citations·filing 1987–2011
Top patents by PatentIndex Score
5 records- 0185US4939037AComposite sign postFREEMAN JOHN E·Filed 1988·Granted Jul 3, 1990·60 cites·16 claims
- 0249US4789567AAbrasion resistant coating and method of applicationFREEMAN JOHN E·Filed 1987·Granted Dec 6, 1988·12 cites·6 claims
- 0343US2012251337A1Sliding valve downhole pumpFREEMAN JOHN E·Filed 2011·Application pending·0 cites
- 0440US2007269959A1Method of aligning mask layers to buried featuresFREEMAN JOHN E·Filed 2006·Application pending·0 cites
- 0530US4767291ASingle valve pumpFREEMAN JOHN E·Filed 1987·Granted Aug 30, 1988·2 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when FREEMAN JOHN E files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →