| Patents for E05F 1 - Closers or openers for wings, not otherwise provided for in this subclass (7,743) |
|---|
| 01/03/1978 | US4065829 Over-center hinge |
| 12/27/1977 | US4064924 Traffic door |
| 11/08/1977 | US4057235 Spring retainer for garage door hardware |
| 09/27/1977 | US4050115 Door hinge |
| 09/06/1977 | US4045914 Automatic door operator |
| 08/23/1977 | US4043001 Adjustable spring hinge |
| 08/02/1977 | US4038720 Garbage can cover spring closure |
| 07/12/1977 | US4034438 Closure counter-balance |
| 07/12/1977 | US4034437 Pressure-free fail-safe emergency door closer |
| 06/21/1977 | US4030161 Self-closing spring hinges |
| 05/31/1977 | US4026069 Turnstile assembly |
| 05/10/1977 | US4022034 Reinforcement for a tape edge of a slide fastener |
| 05/10/1977 | US4021968 Counterbalancing hinge for range oven doors or the like |
| 04/05/1977 | US4015309 Hinge with compressions spring for counter-balancing weight of leaves |
| 03/15/1977 | US4012008 Window sash balancer |
| 01/25/1977 | US4004372 Sliding door closer and method and apparatus for installing the same |
| 01/18/1977 | US4003102 Door and window closer |
| 01/11/1977 | US4001913 Door mounting |
| 01/04/1977 | US4000540 Spring loaded, adjustable walking door hinge |
| 12/28/1976 | US3999246 Two knuckle hinges |
| 12/28/1976 | US3999245 Counterbalance hinge for pivoting loads |
| 12/14/1976 | US3996699 Refrigerator door closure apparatus |
| 11/23/1976 | US3992751 Spring sash counterbalance |
| 10/05/1976 | US3983599 Temperature actuated keying device for use in an automatic door closing mechanism |
| 09/07/1976 | US3978617 Self-closing refrigerator door |
| 09/07/1976 | US3978616 Pet door |
| 09/07/1976 | US3978551 Door closer hinge |
| 08/31/1976 | US3977712 Vehicle door prop assembly |
| 08/24/1976 | US3975794 Spring hinge |
| 08/24/1976 | US3975791 Door closing device |
| 08/03/1976 | US3973173 Curtain control system for poultry houses |
| 06/29/1976 | US3965533 Adjustable door spring hinge with fixed minimum tension |
| 06/22/1976 | US3964125 Electromagnetic door holding device |
| 05/25/1976 | US3958301 Gravity-actuator closure hardware |
| 05/11/1976 | US3955241 Cam operated spring biased counterbalance hinge mechanism for cabinet lid or the like |
| 05/04/1976 | US3953940 Counterforce assembly for doors |
| 04/27/1976 | US3952452 Device for assisting the opening of a door |
| 04/20/1976 | US3950819 Lid counter-balance mechanism |
| 04/20/1976 | US3950818 Self latching cabinet hinge having a resilient tension strap |
| 04/13/1976 | US3949801 Device for automatically closing a folding door |
| 04/06/1976 | US3947918 Door closer |
| 01/27/1976 | US3934307 Spring adjustment mechanism |
| 01/06/1976 | US3930594 Pivot hinge for an apparatus cover hood |