| Patents for E05B 13 - Devices preventing the key or the handle or both from being used (2,927) |
|---|
| 10/07/1980 | US4226104 Removable protector for locks |
| 08/12/1980 | US4216985 Window lock operating device |
| 05/20/1980 | US4203622 Safety latch |
| 04/08/1980 | US4196602 Locking latch handle for windows, doors, and the like |
| 02/12/1980 | CA1071422A1 Off-center locking handle |
| 01/29/1980 | US4185483 Door locking device |
| 10/02/1979 | CA1063646A1 Security device for deadlocks on doors |
| 06/13/1979 | EP0002381A1 Locking handle device for casement closure |
| 05/08/1979 | US4152911 Safety device for a knob controlled door lock |
| 03/06/1979 | US4142748 Door furniture |
| 01/16/1979 | US4134281 Cam-type door lock with recessed handle |
| 11/07/1978 | CA1042037A1 Lock mechanism with disengageable knob |
| 09/12/1978 | US4113291 Security locking system |
| 08/22/1978 | US4108482 Disengaging spindle locking mechanism |
| 06/20/1978 | US4095445 Off-center locking handle |
| 04/04/1978 | US4082351 Safety cover for a door knob |
| 12/27/1977 | US4065160 Anti-vandalism lock device for panic-type doors |
| 10/25/1977 | US4055361 Door lock attachment |
| 08/30/1977 | US4044579 Protection means for manually operated dead bolt lock |
| 07/19/1977 | US4036039 Sash lock |
| 02/15/1977 | US4007956 Doorknob guard |
| 01/18/1977 | US4003227 Portable and detachable double casement window opposing turn latch handles lock securing device |
| 11/09/1976 | US3990277 Lock mechanism with disengageable knob |
| 05/25/1976 | US3958822 Lock for trailer door |
| 05/25/1976 | US3958821 Door operating assembly for merchandising machine or the like |
| 04/27/1976 | US3952564 Protective device for door knobs and the like |
| 01/20/1976 | US3933014 Door lock attachment |