| 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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| 11/07/1989 | CA1262782A1 Box spring having improved coil spring modules |
| 10/18/1989 | EP0337828A1 Device for hinging slats to a bed support and method of manufacturing the same |
| 10/11/1989 | EP0335921A1 Bed |
| 10/10/1989 | US4872227 Stiffening module for a mattress box spring and a box spring incorporating same |
| 09/26/1989 | US4869554 Frames, fabrics |
| 09/26/1989 | CA1261077A1 Spring interiors for mattresses and other articles |
| 09/19/1989 | US4867424 Box spring with wire columns and partial coils |
| 09/19/1989 | US4866798 Support member for box spring frames |
| 09/13/1989 | EP0332086A1 Bed part |
| 09/13/1989 | CN2044145U Spring mattress for winter and summer |
| 09/12/1989 | CA1259429A1 Bedding units and springs therefor |
| 09/05/1989 | US4862532 Bedding foundation having snap-in place sinuous wire springs |
| 09/05/1989 | US4862531 Bedding foundation having snap-in place formed wire springs |
| 08/30/1989 | EP0329913A1 Strip for spring mattresses |
| 08/29/1989 | US4861002 Spring module with improved mounting foot structure |
| 08/10/1989 | WO1989006924A1 Box spring assemblies |
| 08/08/1989 | US4853991 Bedding foundation having multiple-span sinuous wire springs |
| 07/26/1989 | EP0325568A1 Mattress support comprising slats and a tubular frame |
| 07/12/1989 | CN2040742U Spring mattress of spring bed |
| 07/04/1989 | US4844969 Orthopedic bed structure |
| 07/04/1989 | CA1257015A1 Box spring having improved coil spring modules |
| 06/21/1989 | CN2039527U Dual purpose mattress bed with soft and hard surfaces |
| 06/13/1989 | US4838528 Bent wire spring module |
| 06/13/1989 | US4837878 Reclining or seating member |
| 06/08/1989 | DE3739668A1 Slat grid for furniture on which to sit or lie |
| 06/01/1989 | DE3834542A1 Spring-slat frame with slides for hardness adjustment |
| 05/16/1989 | CA1254309A1 Offset continuous row coil spring assembly |
| 05/11/1989 | DE3738126A1 Spring slat |
| 05/09/1989 | US4828233 Bent wire spring module with lock |
| 05/09/1989 | US4827544 Reclining and lying means, particularly for a bed |
| 05/09/1989 | US4827543 Rest structure in the form of rod-shaped bodies removably connected to cross-members |
| 04/11/1989 | US4819920 For a piece of furniture |
| 04/05/1989 | CN2035197U Spring mattress for summer and winter use |
| 04/05/1989 | CN2035196U Bed for summer and winter use |
| 04/04/1989 | US4817924 Spring core for a mattress |
| 03/28/1989 | CA1251873A1 Fluid mattress |
| 03/21/1989 | US4813656 Grid frame |
| 03/15/1989 | CN2034011U Double-function soft mattress bed with equal height |
| 03/09/1989 | WO1989001749A1 Bed |
| 03/07/1989 | US4809958 Foundation unit having spring wire elements |
| 03/07/1989 | CA1250967A1 Device for securing strips to the frame of bedspring |
| 02/28/1989 | US4807314 Tensioned bed |
| 02/21/1989 | US4805883 Box spring assembly with a grid structure formed of both basic and spring wire |
| 02/08/1989 | CN1030867A Elastic mattress for winter and summer |
| 02/01/1989 | EP0301518A2 A bent wire spring module with lock |
| 01/11/1989 | EP0121524B1 Process for producing foam insulation |
| 12/29/1988 | DE3719981A1 A piece of furniture usable as a pair of single beds or as a double bed |
| 12/15/1988 | DE3718285A1 Bearing body |
| 11/23/1988 | EP0291604A1 Foldable and transformable thick mat |
| 11/17/1988 | EP0290640A1 Spring unit |
| 11/17/1988 | EP0290639A1 Spring unit |
| 11/03/1988 | DE3703910A1 Spring wood strip with a plastic cover for bedframes |
| 10/25/1988 | US4779293 Formed wire box spring with spring wire deck |
| 10/25/1988 | US4779292 Box spring cross rail incorporating extruded thrust bearing |
| 10/19/1988 | CN87207965U Bed frame with fabric cover tensioned by inflation |
| 10/18/1988 | US4778157 Spring module |
| 10/11/1988 | US4776572 Box spring assembly |
| 09/20/1988 | US4771995 Collapsible box spring |
| 09/20/1988 | US4771494 Offset continuous row coil spring assembly |
| 09/13/1988 | US4770397 Spring wire element for foundation unit |
| 09/13/1988 | US4769864 Therapeutic bed |
| 09/06/1988 | US4768244 Slat-grate furniture spring |
| 08/30/1988 | US4766625 Box spring having rows of coil springs formed from a single length of wire |
| 08/09/1988 | CA1240416A1 Combined bed frame and box spring assembly |
| 08/09/1988 | CA1240415A1 Process for the manufacturer of a seat element by way of molding a frame over a trimming arangement, and seat element thus made |
| 08/02/1988 | US4760616 Bedding foundation having sinuous wire springs |
| 07/21/1988 | DE3700271A1 Spring-wood strip with a plastic cover for bed frames |
| 07/14/1988 | WO1988004905A1 Mattress support |
| 07/13/1988 | EP0274371A1 Rollable bed base provided with variable-width slats and having flexible, articulated, sliding, independent, self-supporting and self-attaching supporting elements |
| 07/13/1988 | EP0274008A1 Wooden slat with a sheath of synthetic material for a bed frame |
| 07/06/1988 | EP0273438A1 Supporting element for the spring slats of a slatted base to the lateral parts of a bed frame |
| 07/06/1988 | CN87214203U Coir rope spring |
| 06/28/1988 | US4752981 Device for adjusting flexible laths relative to a bed frame |
| 06/27/1988 | EP0252074A4 Bedding units and components for such units. |
| 06/23/1988 | DE3640532A1 Body support, in particular supporting mattress |
| 06/15/1988 | EP0270582A1 Element for reclining or sitting. |
| 05/11/1988 | EP0266887A1 Spring wire element for foundation unit |
| 05/11/1988 | CN86208339U Shoe-lining dryer |
| 05/05/1988 | DE3637448A1 Mattress with spring interior or upholstered interior |
| 05/04/1988 | EP0091449B1 Spring element |
| 04/27/1988 | EP0264536A1 Slatted support base |
| 04/26/1988 | US4739977 Box spring assembly |
| 04/12/1988 | US4736933 Bent wire spring module |
| 04/05/1988 | CA1234685A1 Method and apparatus for manufacturing innerspring constructions |
| 03/15/1988 | US4730358 Sinuous spring module box spring assembly |
| 03/15/1988 | US4730357 Bedding box spring |
| 03/15/1988 | US4730356 Bed having adjustable tension control |
| 03/08/1988 | US4729550 Spring module |
| 03/03/1988 | DE3723775A1 Mattress for a water bed |
| 03/01/1988 | US4728565 Elastic support member for supporting stuffing of furniture pieces |
| 02/16/1988 | US4724557 Bedding box spring assembly |
| 02/11/1988 | WO1988000806A1 Fitted sheets with tapered width |
| 02/09/1988 | US4723331 Fitted sheet with tapered bottom width panels |
| 01/27/1988 | EP0254702A1 Mattress base |
| 01/26/1988 | US4721290 Bent wire spring unit |
| 01/13/1988 | EP0252217A1 Support element for the slats of a slatted mattress frame |
| 01/13/1988 | EP0252074A1 Bedding units and components for such units |
| 12/22/1987 | US4713851 Bed or bunk torsion spring suspension system |
| 12/22/1987 | CA1230685A1 Spring core for a mattress |
| 12/12/1987 | CN86210398U Cold or warm bed with constant temp. |