| Patents for A47C 23 - Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases (4,038) |
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| 09/04/1991 | EP0444731A1 Slatted base |
| 09/03/1991 | US5044027 Cushion construction |
| 08/13/1991 | US5038429 Undermattress and method of manufacturing the undermattress |
| 08/07/1991 | EP0439712A1 Bedstead or similar resting appliance |
| 07/02/1991 | US5027459 Auxiliary frame and grid and interaction with mattress periphery |
| 06/26/1991 | EP0433525A1 Mattress |
| 06/20/1991 | DE3941645A1 Slatted sprung bed frame - has slats supported on resilient members designed to allow even movement when stressed |
| 06/13/1991 | DE4042229A1 Pillow or body mattress with ventilation - has thread filling tensioned over frame to ensure air circulation below body |
| 06/06/1991 | DE4026502C1 Pocket spring core - has parallel chains of pocketed springs with insert slits extending over half chain height |
| 05/24/1991 | WO1991007895A1 Flexibly slatted bed base |
| 05/24/1991 | CA2069416A1 Flexibly slatted bed base |
| 05/22/1991 | EP0428227A1 Resilient element for mattress base with slats, and mattress bases provided with such elements |
| 05/22/1991 | CN2077229U Elastic nylon band bed |
| 05/08/1991 | EP0426261A1 Foam body with internal springing and method for manufacturing same |
| 05/08/1991 | DE3936788A1 Mattress with integrated slatted frame - can be dismantled and rearranged for individual comfort |
| 05/08/1991 | DE3936692A1 Adjustable metal-less slatted frame for mattress - has centre material layer and top and bottom offset pockets |
| 05/02/1991 | EP0424646A1 Slatted mattress support |
| 05/01/1991 | CA2028799A1 Spring element for a foundation unit and foundation unit employing a spring element |
| 04/17/1991 | EP0422416A1 Bed base |
| 04/17/1991 | CN2075033U Crossed cord braided spring bed frame |
| 04/17/1991 | CN2075032U Dual-spring sofa |
| 04/11/1991 | CA2027132A1 Bedstead |
| 04/10/1991 | EP0421495A1 Method and apparatus for assembling innerspring constructions for mattresses, cushions and the like |
| 04/09/1991 | US5005809 Spring element for a foundation unit and foundation unit employing a spring element |
| 04/03/1991 | EP0419625A1 Covering for chair seats and backs |
| 03/20/1991 | EP0417664A1 Fitting for hinging the slat support members of an undermattress |
| 03/06/1991 | EP0277975B1 Fitted sheets with tapered width |
| 03/06/1991 | CN2072365U Temp.-adjustable time spring bed cushion |
| 02/27/1991 | EP0414586A1 Mattress |
| 02/27/1991 | EP0413936A1 Ventilated bedstead |
| 02/27/1991 | CN2071917U Spring mattress |
| 02/26/1991 | US4995125 Bedding box spring having snap-fit modular elements |
| 02/21/1991 | WO1991001669A1 Framework, especially for furniture and other fittings |
| 02/20/1991 | CN2071471U Winter and summer dual-purpose spring mattress with crisscross coir ropes |
| 02/07/1991 | WO1991001099A1 Mattress or mattress supporting structure |
| 02/06/1991 | CN2070578U Sleeping apparatus capable of rising or reducing temp. |
| 01/30/1991 | EP0410847A1 Supporting device for adjustible suspension and mounting, particularly for beds or seats |
| 01/27/1991 | CA2021405A1 Articulation and variable suspension anchoring system for beds and seats |
| 01/16/1991 | CN2069225U Chair seating face and bed top with wire springs and plastic slices composite structure |
| 12/27/1990 | EP0243383B1 Installation for resting and lying down, preferably for a bed |
| 12/13/1990 | WO1990014781A1 Multi-function compressible surface |
| 12/12/1990 | EP0401712A1 Mattress-system |
| 11/29/1990 | WO1990014032A1 Mattress |
| 11/22/1990 | EP0397978A1 Slat for a slat support |
| 11/14/1990 | EP0397069A1 Slat support with elastically supported intermediate slats |
| 11/08/1990 | CA2015780A1 Foundation unit having collapsible support members |
| 11/01/1990 | WO1990012524A1 Covering for chair seats and backs |
| 10/31/1990 | CN2064610U Dual-purpose soft mattress used for winter or summer |
| 10/11/1990 | WO1990011710A1 Auxiliary frame and grid and interaction with mattress periphery |
| 10/11/1990 | CA2050934A1 Auxiliary frame and grid and interaction with mattress periphery |
| 09/26/1990 | CN2062573U Spring mattress suitable for four seasons |
| 09/18/1990 | US4956884 Modular box spring mattress |
| 09/18/1990 | CA1274324A1 Undermattress |
| 09/13/1990 | DE4007570A1 Hospital or treatment bed or couch - consists of under-structure and bed frame with outer struts, and recliner framed made of transverse strips |
| 09/13/1990 | DE3912185A1 Invalid or treatment bed - is made of wood or wood-clad aluminium and consists of frame inside which are transverse extruded strips |
| 09/12/1990 | EP0387234A1 Mattress preventing bed sores |
| 09/05/1990 | EP0385121A1 Slatted mattress-type body-supporting surface |
| 08/15/1990 | CN2060314U Springy mattress |
| 08/08/1990 | EP0380640A1 Resting surface for beds or the like. |
| 08/07/1990 | US4945585 Bed with rotatable rollers |
| 08/01/1990 | EP0380124A1 Supporting device for a mattress or the like |
| 07/25/1990 | EP0378746A1 Bed, in particular a spring mattress consisting of a rectangular frame |
| 07/18/1990 | EP0378469A1 Mattress support and process for producing the support |
| 07/09/1990 | CA2007299A1 Support for mattress and its manufacture |
| 06/26/1990 | US4935977 Leaf spring |
| 06/20/1990 | CN2058313U Pleasant cool mattress |
| 06/12/1990 | US4932535 Formed wire spring element for box spring assemblies |
| 06/05/1990 | US4930170 Foldable and transformable thick mat |
| 05/31/1990 | DE3903440A1 Bearing arrangement for the spring strips of a slatted bed base |
| 05/17/1990 | DE3932340A1 Mounting for sprung wooden slats in bed frame - consists of two fixtures with holder cap and cylindrical intermediate piece |
| 05/02/1990 | EP0366065A1 Slat support for a slatted mattress |
| 05/01/1990 | US4921228 Box spring unit with interlocking spring and grid assembly |
| 04/25/1990 | EP0270582B1 Element for reclining or sitting |
| 03/22/1990 | DE3930627A1 Bed with massage effect |
| 03/21/1990 | EP0359720A1 Under-mattress comprising a tubular frame including slats |
| 03/21/1990 | EP0359719A1 Slatted mattress in which the ends of the slats are embedded in seats along both opposite frame sides and with at least one tension bar between these both sides |
| 03/21/1990 | EP0359718A1 Device against move and play of the ends of the slats of a slatted mattress |
| 03/21/1990 | EP0358838A1 Bed structure |
| 03/20/1990 | CA1266926A1 Spring unit |
| 03/20/1990 | CA1266925A1 Spring unit |
| 03/14/1990 | EP0210186B1 Mattress for beds |
| 03/14/1990 | CN2054283U Wire net face spring bed drawer |
| 03/13/1990 | US4907785 Limited deflection spring |
| 03/07/1990 | CN2053889U High-quality bed with tensioned plastic strips |
| 03/07/1990 | CN1007040B Body support arrangement |
| 03/01/1990 | DE3844624A1 Mattress base |
| 03/01/1990 | DE3844622A1 Mattress base |
| 02/27/1990 | US4903949 Foundation unit having collapsible support members |
| 02/22/1990 | WO1990001284A1 Resting surface for beds or the like |
| 02/22/1990 | DE3827476A1 Under-mattress |
| 02/15/1990 | DE3827028A1 Liegeauflage fuer ein bett oder dergleichen Lying support for a bed or the like |
| 02/14/1990 | EP0354271A2 Mattress |
| 02/07/1990 | CN2052230U Internally-airconditioning reversible bed |
| 01/30/1990 | US4896386 Bedding foundation having snap-in place formed wire springs |
| 01/09/1990 | US4891853 Box spring assembly |
| 12/27/1989 | CA1264096A1 Spring wire element for foundation unit |
| 11/29/1989 | EP0344105A1 Slatted support base for a bed |
| 11/29/1989 | EP0344062A1 Marking device for a slatted under-mattress, method and use of the method |
| 11/23/1989 | EP0342790A1 Elastomeric woven mat seat suspension |
| 11/23/1989 | DE3815098A1 Mattress base |