Assignee
DOUBLE E CO
15 granted patents·283 citations·filing 1973–2002
Top patents by PatentIndex Score
15 records- 0180US6716148B1Metal-sleeved carbon fiber anilox roller baseDOUBLE E CO·Filed 2002·Granted Apr 6, 2004·34 cites·9 claims
- 0276US4469288AExpansible shaft with actuator retaining member and spherical bearing surfaceDOUBLE E CO·Filed 1983·Granted Sep 4, 1984·27 cites·20 claims
- 0372US4492346APositive retracting mechanical expansible shaftDOUBLE E CO·Filed 1983·Granted Jan 8, 1985·30 cites·12 claims
- 0472US3963250AChuckDOUBLE E CO·Filed 1973·Granted Jun 15, 1976·24 cites·15 claims
- 0571US4254920AAir shaftDOUBLE E CO·Filed 1978·Granted Mar 10, 1981·21 cites·18 claims
- 0668US4433814ACore-engager retainer for an expansible shaftDOUBLE E CO·Filed 1983·Granted Feb 28, 1984·21 cites·14 claims
- 0767US5690300AInterlocked core shaftDOUBLE E CO·Filed 1996·Granted Nov 25, 1997·26 cites·19 claims
- 0866US4155242ACore toolsDOUBLE E CO·Filed 1977·Granted May 22, 1979·15 cites·13 claims
- 0964US4193633ACore chuckDOUBLE E CO·Filed 1977·Granted Mar 18, 1980·20 cites·14 claims
- 1064US3993317ACore chuckDOUBLE E CO·Filed 1974·Granted Nov 23, 1976·19 cites·15 claims
- 1158US4073497ACare chuck stop assemblyDOUBLE E CO·Filed 1976·Granted Feb 14, 1978·16 cites·14 claims
- 1253US6416014B2Expandable core plugDOUBLE E CO·Filed 2001·Granted Jul 9, 2002·5 cites·12 claims
- 1353US4519620ACore chuck with resilient rollersDOUBLE E CO·Filed 1983·Granted May 28, 1985·14 cites·16 claims
- 1443US5915647AOne-piece core plugDOUBLE E CO·Filed 1997·Granted Jun 29, 1999·7 cites·19 claims
- 1533US5797532AWeb edge control systemDOUBLE E CO·Filed 1997·Granted Aug 25, 1998·4 cites·10 claims
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