John Erwin Treft

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Fairfield, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Spline roller for a belt-driven roller conveyor, and method for making
- Patent number 7,963,388
- Issue date Jun 21, 2011
- TKF Incorporated
- Ronald L. Eubanks
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Drive belt guard for a roller conveyor
- Patent number 7,882,944
- Issue date Feb 8, 2011
- T.K.F., Inc.
- Ronald L. Eubanks
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Tapered spline roller for curved roller conveyor
- Patent number 7,306,091
- Issue date Dec 11, 2007
- TKF Incorporated
- Ronald L. Eubanks
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
SPLINE ROLLER FOR A BELT-DRIVEN ROLLER CONVEYOR, AND METHOD FOR MAKING
- Publication number 20080277247
- Publication date Nov 13, 2008
- Ronald L. Eubanks
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Tapered spline roller for curved roller conveyor
- Publication number 20060096842
- Publication date May 11, 2006
- Ronald L. Eubanks
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL