| 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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| 05/17/1989 | CN2037769U Hydraulic door closer |
| 05/16/1989 | US4830151 Damper comprising rotor shaft and gear sleeve having equal external diameter portions with clutch spring wound thereabout |
| 05/16/1989 | US4829628 Spring biased hinge having a damper and a sliding piston |
| 05/09/1989 | US4828344 Drawer device |
| 05/02/1989 | US4825503 Braking apparatus for door closer |
| 04/12/1989 | CN2035791U Fixed position hinge |
| 04/12/1989 | CN2035790U Multi-functional door closing device |
| 04/12/1989 | CN2035789U Controller for closing door |
| 04/04/1989 | US4817238 Pneumatic door-closer having a closable passage and a regulatable passage |
| 03/28/1989 | US4815163 Storm door lock apparatus |
| 03/21/1989 | US4813100 Closure check |
| 03/08/1989 | CN2033848U Automatic reversing and positioning spring hinge |
| 02/15/1989 | CN2032642U Door closing device |
| 02/15/1989 | CN2032641U Hydraulic cushioning door closing device |
| 02/14/1989 | US4803754 Electromechanical door holder-closer |
| 02/08/1989 | CN2032237U Automatic, noiseless, stepless locating door closing device |
| 02/01/1989 | CN2031829U Stepless wind window closer |
| 01/26/1989 | DE3723449A1 Tension spring for the rear flap or front flap of a motor vehicle |
| 01/25/1989 | CN1030629A 关门器 Door Closers |
| 01/17/1989 | US4797971 Adjusting device for a vehicle door |
| 01/11/1989 | EP0298514A1 Mechanical door check |
| 01/11/1989 | EP0298231A1 Door closer |
| 01/10/1989 | US4796733 Oil damper |
| 01/10/1989 | US4796732 Piston cylinder type oil damper |
| 01/03/1989 | CA1248150A1 Automatic closing and open position maintaining device for pivoted doors |
| 12/29/1988 | DE3720088A1 Pivoting lever for connecting a floor-mounted door closer to a door wing |
| 12/27/1988 | US4793023 Door closer and holder |
| 12/15/1988 | WO1988009860A1 Automatic door-closer |
| 12/14/1988 | CN87214794U Automatic door shutter with fixing and time prolonging functions |
| 12/06/1988 | US4788747 Counterbalance apparatus with transverse pneumatic spring and bellcrank linkage |
| 12/06/1988 | US4788742 Torque modification apparatus for use with a door closer |
| 11/30/1988 | EP0292743A1 Door closer with a closing force indicating device |
| 11/30/1988 | EP0292610A1 Door closer |
| 11/23/1988 | CN88203873U Auto-location hinge |
| 11/22/1988 | US4786098 Brake mechanism for the opening movement of lids and covers |
| 11/22/1988 | US4785493 Door check |
| 11/16/1988 | CN87212410U Position fixing hinge |
| 11/16/1988 | CN87212409U Wind-proof position fixing hinge |
| 11/15/1988 | US4784375 Steplessly blockable setting device |
| 11/15/1988 | US4783882 Door closer assembly |
| 11/09/1988 | CN86208969U Single-handle fully-controlled window |
| 10/26/1988 | CN87214561U Self-locking hinge |
| 10/26/1988 | CN87209553U Blind hinge with press-button control |
| 10/25/1988 | US4779845 Gas spring for motor vehicle with retaining drive for preventing piston rod return toward its operational, outermost position after accident |
| 10/12/1988 | EP0285775A1 Door-closer |
| 10/11/1988 | US4776134 Gate closure with improved latch and latchkeeping mechanism for gates that close themselves |
| 10/05/1988 | CN87209009U Wind against positioning hinge |
| 09/27/1988 | US4773125 Door closer |
| 09/15/1988 | DE3806662A1 Fixing device for a door provided with a door closer |
| 09/14/1988 | CN87217109U Stepped location hinge |
| 09/07/1988 | CN87207482U Reverse-support-type locking device for window casements |
| 09/01/1988 | DE3705082A1 Solenoid valve |
| 08/24/1988 | CN87204765U Multi-point locating hinge |
| 08/16/1988 | US4763385 Door closure transmission utilizing an eccentric pinion |
| 08/16/1988 | US4763384 Door closer and check |
| 08/04/1988 | DE3701720A1 Toilet cover |
| 08/03/1988 | CN87207880U 90 degree location hinge |
| 08/02/1988 | US4760621 Combination doorstop, holdopen and shock absorber |
| 07/26/1988 | US4759099 Door closure and holding mechanism having a sliding rod slidably mounted to a pivoting rod and a slide rail |
| 07/12/1988 | US4756051 Door-closer hinge with rotary-movement shock absorber |
| 07/06/1988 | EP0273346A2 Track-type door hold-open device |
| 06/15/1988 | CN85102671B Remote control hydraulic window opening apparatus |
| 06/14/1988 | US4750236 Track-type door hold-open device |
| 06/09/1988 | DE3641214A1 Automatic closing device for the wings of top-hung and tilting windows |
| 06/09/1988 | DE3640812A1 Floor-mounted door closer for door wings held pivotably on the door frame by means of hinges |
| 05/17/1988 | US4744125 Door closer transmission including an eccentric pinion |
| 05/11/1988 | DE3638208A1 Overhead door closer with stop device |
| 05/11/1988 | CN87105418A Improved spring hinge with a damper |
| 04/21/1988 | DE3635179A1 Stop device for door closers |
| 04/06/1988 | CN87213173U Hydraulic damper for closing and positioning of door |
| 03/23/1988 | EP0261051A2 Damper hinge construction having progressively increased dampening during closed position approach |
| 03/23/1988 | CN87209536U Full plastic bate handle switch with steel ball and spring for stage auto-locating window |
| 03/10/1988 | DE3629594A1 Damping device for a sliding door |
| 03/09/1988 | EP0258812A1 Continuously lockable adjustment device |
| 03/09/1988 | CN87207309U Hydraulic stepless locator |
| 03/09/1988 | CN87201267U Hinge automatically located by springs |
| 02/17/1988 | EP0255917A2 Door closer |
| 02/17/1988 | EP0255886A2 Floor case with a holding device for an inserted door closer |
| 02/11/1988 | DE3726031A1 Oil damper |
| 02/10/1988 | EP0255781A2 Door operating mechanism |
| 02/02/1988 | US4722116 Remote setting-control mechanism for a door-closer latch |
| 01/26/1988 | US4721946 Door control device with alarm switch |
| 01/14/1988 | DE3722114A1 Rotation-damping device |
| 01/13/1988 | EP0252554A2 Automatic door closer |
| 01/07/1988 | EP0251972A2 Improved spring hinge with a damper |
| 01/06/1988 | CN87201159U Compound hinge |
| 12/29/1987 | US4715146 Apparatus for closing fireproof doors |
| 12/09/1987 | CN86205403U Open or close linkage for steel window leaf |
| 12/02/1987 | EP0247148A1 Retraction device for doors or windows |
| 12/01/1987 | US4709445 Method and apparatus for closing a door |
| 11/24/1987 | US4707882 Pneumatic damper |
| 11/19/1987 | DE3701300A1 Door closer |
| 11/17/1987 | US4706333 Gas springs with different active lengths to provide plural stable stopping positions |
| 11/11/1987 | EP0244506A2 Door closer |
| 11/07/1987 | CN86205423U Hydraulic door shutter |
| 11/04/1987 | EP0243786A1 Door closer |
| 10/29/1987 | DE3638353A1 Door closing mechanism with sprung piston |
| 10/08/1987 | DE3611379A1 Tubular door closer |
| 10/08/1987 | DE3611164A1 Fixing device for door closers |
| 10/06/1987 | US4697673 One-way damper |