Patents
Patents for B68G 9 - Placing upholstery springs in pockets; Fitting springs in upholstery (479)
06/2001
06/13/2001EP1105660A1 Manufacture of pocketed compound nested coil springs
05/2001
05/23/2001EP0894076B1 Spring units for mattresses and the like
05/09/2001CN1065421C Assembling device for bagged spiral spring assembly unit
04/2001
04/18/2001CN1064596C Apparatus for making mattress inner spray construction
03/2001
03/14/2001EP0772547B1 Conditioning pocketed coil springs
01/2001
01/23/2001US6175997 Pocketed coil spring mattress cores
01/17/2001EP1068147A1 Apparatus for the production of pocketed coil springs
01/10/2001EP1067090A1 Method for manufacturing of spring mattress core
01/09/2001US6170807 Inner springs for use in furniture and bedding and a producing method therefor
12/2000
12/19/2000CA2183623C Pocket coil spring structure assembling apparatus
12/12/2000US6159319 Method and apparatus for forming pocketed coil spring mattresses
12/05/2000US6155310 Machinery for automated manufacture of formed wire innerspring assemblies
11/2000
11/16/2000DE19621361C2 Rahmenanordnung zur Befestigung an einer Taschenfederkernmatratze Frame assembly for attachment to a pocket spring mattress
11/15/2000EP1051271A1 Method and apparatus for forming spring units
11/02/2000EP1047628A1 Double spring mattress and manufacturing process
11/02/2000DE19822838C2 Verfahren und Vorrichtung zur Herstellung von Taschenfederkernen Method and apparatus for the production of pocket spring cores
10/2000
10/26/2000WO2000063113A1 Method and system for forming strings of pocketed coil springs
10/12/2000WO2000015369A9 Machinery for automated manufacture of innerspring assemblies
10/11/2000EP1042217A1 Manufacture of pocket spring assemblies
10/05/2000WO2000058203A1 Retracted pocket spring mattress; method for manufacturing of a pocket spring mattress and device for pre-tensioning pocketed coil springs
09/2000
09/26/2000US6122900 Manufacture of pocketed compound nested coil springs
09/21/2000WO2000055088A1 Method and apparatus for manufacturing innerspring assemblies
09/21/2000CA2367871A1 Method and apparatus for manufacturing innerspring assemblies
09/19/2000US6119322 Cased coil spring producing apparatus
08/2000
08/31/2000WO2000018515A9 Method and apparatus for forming pocketed coil spring mattresses
08/30/2000EP0814923A4 Coil spring interior assembly method and apparatus
08/23/2000EP1029473A1 Box-spring core
08/23/2000EP1029472A1 Mattress
08/16/2000EP1026977A1 Device for slotting the intermediate web of strip-like components fitted with boxed springs as an intermediate product for the production of box-spring cores
08/15/2000US6101697 Apparatus for producing string of pocket coils
08/08/2000USRE36809 Coil spring interior assembly method and apparatus
08/08/2000US6098968 Pocketed spring assembly
07/2000
07/11/2000US6085397 Method of making pocketed spring assembly
06/2000
06/27/2000US6079699 Spring assemblies for mattresses and the like
06/07/2000EP0828445A4 Multiple firmness mattress
04/2000
04/18/2000US6049959 Method and machine for making a spring-mattress web and a spring-mattress web
04/06/2000WO2000018515A1 Method and apparatus for forming pocketed coil spring mattresses
03/2000
03/23/2000WO2000015369A1 Machinery for automated manufacture of innerspring assemblies
03/23/2000CA2343225A1 Machinery for automated manufacture of innerspring assemblies
03/15/2000EP0985369A1 Assembled structure of inner springs to be fit inside furniture and bedding and a producing method therefor
03/14/2000US6036181 Spring assembly
03/09/2000WO2000003624B1 Spring assembly
03/08/2000EP0983207A1 Method and device for producing packet spring cores
03/02/2000WO2000011370A1 Manufacture of pocketed compound nested coil springs
03/02/2000WO2000010876A1 Manufacture of pocketed compound nested coil springs
03/02/2000CA2336081A1 Manufacture of pocketed compound nested coil springs
02/2000
02/29/2000US6029957 Manufacture of pocket spring assemblies
02/09/2000CN1243802A Internal springs installed in furnature and manufacture thereof
02/08/2000US6021627 Manufacture of pocketed compound nested coil springs
02/02/2000EP0976678A2 Inner springs for use in furniture and bedding and a producing method therefor
01/2000
01/27/2000WO2000003624A1 Spring assembly
01/12/2000EP0970318A1 Multiple rate coil spring assembly
12/1999
12/29/1999EP0967031A2 Cased coil spring producing apparatus
12/01/1999CN1237145A Method and apparatus for forming pocketed springs
12/01/1999CN1237128A Apparatus for mattress inner spray construction
11/1999
11/23/1999US5988253 Press holding mechanism for use in pocket coil spring structure assembling apparatus
11/23/1999US5987678 Multiple firmness mattress
11/11/1999WO1999047830A3 Spring retainer assembly
10/1999
10/07/1999WO1999050175A1 Apparatus for the production of pocketed coil springs
10/07/1999CA2326597A1 Apparatus for the production of pocketed coil springs
09/1999
09/28/1999US5957438 Spring retainer assembly
09/23/1999WO1999047830A2 Spring retainer assembly
09/15/1999EP0941962A1 An inner spring fit inside furniture and bedding and a producing method therefor
07/1999
07/21/1999EP0694024B1 Manufacture of pocket spring assemblies
07/15/1999WO1999035081A1 Double spring mattress and manufacturing process
07/14/1999EP0928283A1 Method and apparatus for forming pocketed springs
07/01/1999WO1999032396A1 Manufacture of pocket spring assemblies
07/01/1999CA2316297A1 Manufacture of pocket spring assemblies
06/1999
06/24/1999WO1999030853A1 Method and apparatus for forming spring units
05/1999
05/27/1999WO1999025647A1 Method and device for providing springs on a continuously fed folded strip of material
05/26/1999EP0833772A4 Method and apparatus for forming strings of pocketed springs
05/06/1999EP0784592B1 Device for producing a box-spring core
05/05/1999CN1216030A Spring units for mattresses and like
03/1999
03/23/1999US5885407 Method and apparatus for forming pocket spring coil mattresses
03/10/1999EP0900039A1 Method and means for the production of a spring insert
02/1999
02/10/1999EP0772547A4 Conditioning pocketed coil springs
02/09/1999US5868383 Multiple rate coil spring assembly
02/03/1999EP0894076A1 Spring units for mattresses and the like
01/1999
01/21/1999DE19822839A1 Manufacturing pocket spring core
12/1998
12/22/1998CA2185506C Pocket coil spring producing apparatus
11/1998
11/26/1998WO1998052867A1 Method and device for producing packet spring cores
11/26/1998DE19822838A1 Manufacturing pocket spring core
11/26/1998CA2291036A1 Method and device for producing packet spring cores
10/1998
10/08/1998WO1998044273A1 Multiple rate coil spring assembly
09/1998
09/09/1998CN1192722A Method and apparatus for forming strings of pocketed springs
08/1998
08/26/1998CN1191473A Multiple firmness mattress
08/11/1998US5792309 Pocket coil spring structure assembling apparatus
06/1998
06/09/1998US5761784 Method of manufacturing a pocketed spring assembly
05/1998
05/12/1998US5749133 Method and apparatus for forming strings of pocketed springs
05/05/1998US5746877 Apparatus for mattress innerspring construction
04/1998
04/21/1998US5740597 Pocket coil spring producing apparatus
04/08/1998EP0833772A1 Method and apparatus for forming strings of pocketed springs
03/1998
03/19/1998WO1998011015A1 Method and apparatus for forming pocketed springs
03/19/1998WO1998010933A1 Apparatus for mattress innerspring construction
03/18/1998EP0828445A1 Multiple firmness mattress
03/04/1998CN1174947A Assembling device for bagged spiral spring assembly unit
01/1998
01/22/1998WO1998002066A1 Pocketed coil spring assembly and method of manufacture
01/07/1998EP0814923A1 Coil spring interior assembly method and apparatus
12/1997
12/23/1997US5699998 Manufacture of pocket spring assemblies
12/04/1997DE19621361A1 Frame for fixing onto pocket spring core mattress
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