Assignee
COOKSON COMPANY
US·6 granted patents·360 citations·filing 1978–1999
Top patents by PatentIndex Score
6 records- 0193US5082316ARelease mechanism and method with alarm circuitCOOKSON COMPANY·Filed 1990·Granted Jan 21, 1992·113 cites·19 claims
- 0289US6155324AApparatus and method for operating a doorCOOKSON COMPANY·Filed 1999·Granted Dec 5, 2000·124 cites·28 claims
- 0385US6225768B1Automatic door safety system with multiple safety modesCOOKSON COMPANY·Filed 1999·Granted May 1, 2001·77 cites·16 claims
- 0462US4130156ATime delay fire closure releasing deviceCOOKSON COMPANY·Filed 1978·Granted Dec 19, 1978·22 cites·11 claims
- 0541US4721146ARolling door operating mechanismCOOKSON COMPANY·Filed 1987·Granted Jan 26, 1988·16 cites·10 claims
- 0640US4995651ARelease mechanism and methodCOOKSON COMPANY·Filed 1989·Granted Feb 26, 1991·8 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →