| Patents for E05F 3 - Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices (4,938) |
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| 05/02/1978 | US4086681 Door closer |
| 04/11/1978 | US4083080 Door closer |
| 03/28/1978 | US4080687 Door closer |
| 03/21/1978 | US4079479 Sliding door closure and locking mechanism |
| 02/28/1978 | US4075734 Door closer |
| 02/14/1978 | US4073033 Door closing device |
| 01/24/1978 | US4069546 Soffit plate and limit stop for use with hydraulic door closer |
| 01/24/1978 | US4069545 Door control device with closure regulator |
| 01/24/1978 | US4069544 Electrically actuated door holder and release |
| 01/17/1978 | US4068344 Door hinge mechanism |
| 01/10/1978 | US4067084 Automatic door closer |
| 01/03/1978 | US4066279 Pneumatic spring of adjustable length |
| 12/27/1977 | US4064589 Door closer |
| 10/18/1977 | US4054008 Automatic door opening arrangement |
| 09/27/1977 | US4050114 Door closer assembly |
| 09/20/1977 | US4048695 Door check and closure device |
| 09/20/1977 | US4048694 Hydraulic door closer with adjustable time delay dampener |
| 09/06/1977 | US4046167 Mechanical accumulator |
| 08/09/1977 | US4040144 Door assister |
| 08/09/1977 | US4040143 Releasable door hold-open device |
| 07/12/1977 | US4034437 Pressure-free fail-safe emergency door closer |
| 05/03/1977 | US4020927 Brake mechanism for turnstiles and the like |
| 04/26/1977 | US4019220 Piston assembly for door closer |
| 03/08/1977 | US4010572 Door closer having means to neutralize the door closing force exerted thereby |
| 01/18/1977 | US4003102 Door and window closer |
| 11/30/1976 | US3994096 Ventilation devices, in particular smoke and heat ventilation devices |
| 10/19/1976 | US3986742 Door stop and hold open device |
| 10/05/1976 | US3983599 Temperature actuated keying device for use in an automatic door closing mechanism |
| 09/14/1976 | US3979790 Totally enclosed door check |
| 08/31/1976 | US3977712 Vehicle door prop assembly |
| 08/10/1976 | US3973357 Door closer with switch actuated thereby |
| 06/22/1976 | US3964125 Electromagnetic door holding device |
| 04/27/1976 | US3952365 Damping device for hinges and the like |
| 04/06/1976 | US3947918 Door closer |
| 02/17/1976 | US3938793 Pneumatic spring with stop mechanism |
| 02/03/1976 | US3935614 Electromechanical door holder-closer |
| 01/27/1976 | US3934307 Spring adjustment mechanism |
| 01/27/1976 | US3934306 Door closure device |