Assignee
SIMMONS CO
US36 patents
Top patents by PatentIndex Score
US5105488AApr 21, 1992
Bedding configuration having variable support characteristics
SIMMONS CO154 citations96
US4895352AJan 23, 1990
Mattress or cushion spring array
SIMMONS CO107 citations96
US5572853ANov 12, 1996
Method and apparatus for conditioning pocketed coil springs
SIMMONS CO44 citations94
US5553443ASep 10, 1996
Method for creating strings of pocketed coil springs
SIMMONS CO48 citations94
US6243900B1Jun 12, 2001
One-sided mattress construction
SIMMONS CO75 citations93
US5622030AApr 22, 1997
Method of packaging resiliently compressible articles
SIMMONS CO54 citations93
US5557813ASep 24, 1996
Knock down mattress system
SIMMONS CO84 citations93
US5165125ANov 24, 1992
Bedding system including spring having limiting membrane
SIMMONS CO58 citations93
US6216292B1Apr 17, 2001
Protective mattress cover with apron
SIMMONS CO62 citations91
US5621935AApr 22, 1997
Method and apparatus for providing improved pocketed innerspring constructions
SIMMONS CO43 citations91
US5613287AMar 25, 1997
Method for forming strings of pocketed springs
SIMMONS CO45 citations91
US5444905AAug 29, 1995
Apparatus for manufacturing mattresses and box springs
SIMMONS CO55 citations91
US6408469B2Jun 25, 2002
Bed construction with reduced sagging
SIMMONS CO25 citations90
US5469589ANov 28, 1995
Knock down foundation for a bed
SIMMONS CO83 citations90
US5311624AMay 17, 1994
Mattress having 2-ply moisture barrier and replaceable upholstery
SIMMONS CO38 citations90
US6098224AAug 8, 2000
Pillow top mattress assemblies
SIMMONS CO37 citations89
US5746877AMay 5, 1998
Apparatus for mattress innerspring construction
SIMMONS CO31 citations89
US5265291ANov 30, 1993
Box spring corner support
SIMMONS CO25 citations89
US5144707ASep 8, 1992
Flotation system including improved locking features
SIMMONS CO30 citations89
US5749133AMay 12, 1998
Method and apparatus for forming strings of pocketed springs
SIMMONS CO25 citations88
US5987678ANov 23, 1999
Multiple firmness mattress
SIMMONS CO85 citations86
US6263532B1Jul 24, 2001
Methods and apparatus for refurbishing bedding mattresses
SIMMONS CO61 citations85
US4106138AAug 15, 1978
Platform bed
SIMMONS CO24 citations81
US5509887AApr 23, 1996
Apparatus for pocketed coil construction having improved tracking characteristics
SIMMONS CO20 citations80
US5245716ASep 21, 1993
Flotation system with liner tray
SIMMONS CO20 citations79
USRE36142EMar 16, 1999
Method of packaging resiliently compressible articles
SIMMONS CO15 citations71
US5353454AOct 11, 1994
Adjustable lumbar support for flotation systems
SIMMONS CO15 citations71
US4051567AOct 4, 1977
Mattress or cushion spring assembly
SIMMONS CO9 citations71
US3935605AFeb 3, 1976
Mattress foundation
SIMMONS CO8 citations71
US5940908AAug 24, 1999
Reinforced bedding foundations
SIMMONS CO17 citations70
US4012802AMar 22, 1977
Mattress foundation
SIMMONS CO10 citations69
US5499414AMar 19, 1996
Innerspring construction including improved edge characteristics
SIMMONS CO9 citations68
US5285541AFeb 15, 1994
Flotation system including improved cushioning and support features
SIMMONS CO8 citations68
US5186435AFeb 16, 1993
Apparatus for compressing a spring
SIMMONS CO8 citations68
US5974993ANov 2, 1999
Quilted border winder apparatus, system and method
SIMMONS CO7 citations66
US5471725ADec 5, 1995
Method for manufacturing mattresses or box springs, including improved spring transfer
SIMMONS CO9 citations58