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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →