Assignee
KNOX KERSHAW INC
US·7 granted patents·54 citations·filing 1990–2004
Technology mixE01B7
Top patents by PatentIndex Score
7 records- 0153US5109775ABallast reconditioning apparatus with multiple excavating wheels and independent cleaning stations for increased operating speedKNOX KERSHAW INC·Filed 1990·Granted May 5, 1992·14 cites·14 claims
- 0249US5493795ABallast regulator having improved track cleaning meansKNOX KERSHAW INC·Filed 1994·Granted Feb 27, 1996·14 cites·11 claims
- 0348US7000659B1Adzer mount assemblyKNOX KERSHAW INC·Filed 2004·Granted Feb 21, 2006·4 cites·8 claims
- 0441US5029649ABallast reconditioning apparatusKNOX KERSHAW INC·Filed 1990·Granted Jul 9, 1991·8 cites·11 claims
- 0539US5600903ABallast shoulder cleanerKNOX KERSHAW INC·Filed 1994·Granted Feb 11, 1997·7 cites·14 claims
- 0632US5459951ABallast shoulder cleanerKNOX KERSHAW INC·Filed 1993·Granted Oct 24, 1995·7 cites·12 claims
- 0726US5183118AHigh-capacity ballast reconditioning apparatusKNOX KERSHAW INC·Filed 1991·Granted Feb 2, 1993·0 cites·17 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →