Inventor · disambiguated record
John E. Freeman
Also filed as: FREEMAN JOHN E · FREEMAN JOHN EMMETT · FREEMAN JR JOHN E
13 granted patents·3 pending applications·529 citations·filing 1979–2011
94Inventor score
Top patents by PatentIndex Score
16 records- 0194US6428713B1MEMS sensor structure and microfabrication process thereforDELPHI TECH INC·Filed 1999·Granted Aug 6, 2002·111 cites·10 claims
- 0289US4360288AFiberglass sucker rod constructionFIBERFLEX PROD INC·Filed 1979·Granted Nov 23, 1982·53 cites·10 claims
- 0385US4939037AComposite sign postFREEMAN JOHN E·Filed 1988·Granted Jul 3, 1990·60 cites·16 claims
- 0485US4422508AMethods for pulling sucker rod stringsFIBERFLEX PROD INC·Filed 1981·Granted Dec 27, 1983·95 cites·2 claims
- 0584US6829814B1Process of making an all-silicon microphoneDELPHI TECH INC·Filed 2002·Granted Dec 14, 2004·28 cites·25 claims
- 0681US6750152B1Method and apparatus for electrically testing and characterizing formation of microelectric featuresDELPHI TECH INC·Filed 1999·Granted Jun 15, 2004·66 cites·16 claims
- 0775US7134179B2Process of forming a capacitative audio transducerDELPHI TECH INC·Filed 2004·Granted Nov 14, 2006·17 cites·5 claims
- 0873US5936022ACompositions and methods for a high performance protective coatingFREECOM INC·Filed 1997·Granted Aug 10, 1999·31 cites·42 claims
- 0964US4475404APull testerFIBERFLEX PROD INC·Filed 1982·Granted Oct 9, 1984·22 cites·1 claims
- 1062US4968538AAbrasion resistant coating and method of applicationFREECOM INC·Filed 1988·Granted Nov 6, 1990·19 cites·9 claims
- 1156US5969078ACompositions and methods for a protective surface coating useful to repair damaged surfacesFREECOM INC·Filed 1997·Granted Oct 19, 1999·13 cites·6 claims
- 1249US4789567AAbrasion resistant coating and method of applicationFREEMAN JOHN E·Filed 1987·Granted Dec 6, 1988·12 cites·6 claims
- 1343US2012251337A1Sliding valve downhole pumpFREEMAN JOHN E·Filed 2011·Application pending·0 cites
- 1440US2007269959A1Method of aligning mask layers to buried featuresFREEMAN JOHN E·Filed 2006·Application pending·0 cites
- 1539US2002125208A1MEMS sensor structure and microfabrication process thereforDELPHI TECH INC·Filed 2002·Application pending·0 cites
- 1630US4767291ASingle valve pumpFREEMAN JOHN E·Filed 1987·Granted Aug 30, 1988·2 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when John E. Freeman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →