Assignee
RELIABLE SECURITY SYST
US·14 granted patents·572 citations·filing 1979–1986
Top patents by PatentIndex Score
14 records- 0192US4652028AMagnetic emergency exit door lock with time delayRELIABLE SECURITY SYST·Filed 1985·Granted Mar 24, 1987·76 cites·25 claims
- 0291US4257631AMagnetic emergency exit door lock with delayed openingRELIABLE SECURITY SYST·Filed 1979·Granted Mar 24, 1981·52 cites·7 claims
- 0390US4720128AMagnetic emergency exit door lock with time delayRELIABLE SECURITY SYST·Filed 1986·Granted Jan 19, 1988·73 cites·16 claims
- 0488US4613176ADoor latch mechanismRELIABLE SECURITY SYST·Filed 1983·Granted Sep 23, 1986·55 cites·1 claims
- 0585US4703962AMagnetic door lock with time delay optionRELIABLE SECURITY SYST·Filed 1986·Granted Nov 3, 1987·66 cites·8 claims
- 0685US4470625AEmergency exit door latch with hydraulic and electronic delayRELIABLE SECURITY SYST·Filed 1981·Granted Sep 11, 1984·49 cites·17 claims
- 0777US4540208APoint-of-egress control device for safely securing emergency exit doorsRELIABLE SECURITY SYST·Filed 1982·Granted Sep 10, 1985·47 cites·5 claims
- 0876US4354699AApparatus for delaying opening of doorsRELIABLE SECURITY SYST·Filed 1980·Granted Oct 19, 1982·32 cites·11 claims
- 0975US4328985ATiming apparatus for delaying opening of doorsRELIABLE SECURITY SYST·Filed 1980·Granted May 11, 1982·32 cites·31 claims
- 1074US4271691AEmergency release for deadlocksRELIABLE SECURITY SYST·Filed 1979·Granted Jun 9, 1981·22 cites·10 claims
- 1173USD264932SEmergency exit door latch with panic barRELIABLE SECURITY SYST·Filed 1979·Granted Jun 15, 1982·11 cites·1 claims
- 1266US4314722ATiming apparatus for delaying opening of doorsRELIABLE SECURITY SYST·Filed 1979·Granted Feb 9, 1982·22 cites·7 claims
- 1365US4351552AEmergency exit door latching and locking apparatusRELIABLE SECURITY SYST·Filed 1979·Granted Sep 28, 1982·23 cites·32 claims
- 1437US4344647AExterior operating arrangement for emergency exit doors with delayed opening featureRELIABLE SECURITY SYST·Filed 1980·Granted Aug 17, 1982·12 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →