Inventor · disambiguated record
Leo J. Kerivan
Also filed as: KERIVAN LEO · KERIVAN LEO J
7 granted patents·84 citations·filing 1978–1986
85Inventor score
Top patents by PatentIndex Score
7 records- 0176US4614508ADrive mechanism especially for web feed tractorsPRECISION HANDLING DEVICES·Filed 1985·Granted Sep 30, 1986·27 cites·28 claims
- 0272US4616773AForms feeding apparatusPRECISION HANDLING DEVICES·Filed 1984·Granted Oct 14, 1986·20 cites·73 claims
- 0355US4275785AHeat exchange tubing blade assemblyIND BLAST COIL CORP·Filed 1979·Granted Jun 30, 1981·19 cites·26 claims
- 0452US4611737ATractor apparatusPRECISION HANDLING DEVICES·Filed 1985·Granted Sep 16, 1986·9 cites·25 claims
- 0541US4706861APerforated web feeding apparatusPRECISION HANDLING DEVICES·Filed 1986·Granted Nov 17, 1987·5 cites·18 claims
- 0632US4714185APerforated web feeding apparatusPRECISION HANDLING DEVICES·Filed 1985·Granted Dec 22, 1987·2 cites·30 claims
- 0727US4222160AMethod of making heat exchange tubing assemblyIND BLAST COIL CORP·Filed 1978·Granted Sep 16, 1980·2 cites·15 claims
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