Assignee
SIMMONS USA CORP
US·24 granted patents·1,792 citations·filing 1980–1989
Top patents by PatentIndex Score
24 records- 0199US4578834AInnerspring constructionSIMMONS USA CORP·Filed 1984·Granted Apr 1, 1986·193 cites·16 claims
- 0298US4449261ABed mattress having an improved pillow topSIMMONS USA CORP·Filed 1981·Granted May 22, 1984·217 cites·18 claims
- 0398US4439977AMethod and apparatus for making a series of pocketed coil springsSIMMONS USA CORP·Filed 1981·Granted Apr 3, 1984·175 cites·20 claims
- 0497US4451946APocketed spring assemblySIMMONS USA CORP·Filed 1981·Granted Jun 5, 1984·139 cites·9 claims
- 0596US4854023AMethod for providing pocketed coil strings having a flat overlap side seamSIMMONS USA CORP·Filed 1988·Granted Aug 8, 1989·95 cites·24 claims
- 0694US4986518APocketed coil strings having a flat overlap side seamSIMMONS USA CORP·Filed 1989·Granted Jan 22, 1991·77 cites·12 claims
- 0794US4485506ACoil spring constructionSIMMONS USA CORP·Filed 1983·Granted Dec 4, 1984·123 cites·8 claims
- 0894US4401501AApparatus for making assemblies of pocketed springsSIMMONS USA CORP·Filed 1982·Granted Aug 30, 1983·68 cites·9 claims
- 0993US4424600AAdjustable firmness mattress pillow topSIMMONS USA CORP·Filed 1981·Granted Jan 10, 1984·107 cites·12 claims
- 1092US4423308AThermally controllable heating mattressSIMMONS USA CORP·Filed 1981·Granted Dec 27, 1983·167 cites·5 claims
- 1191US4566926AMethod and apparatus for manufacturing innerspring constructionsSIMMONS USA CORP·Filed 1985·Granted Jan 28, 1986·86 cites·25 claims
- 1290US4523344AIndependent block assembly of springsSIMMONS USA CORP·Filed 1982·Granted Jun 18, 1985·94 cites·8 claims
- 1381US4491491AUltrasonic separation apparatusSIMMONS USA CORP·Filed 1983·Granted Jan 1, 1985·31 cites·10 claims
- 1480US4565046AApparatus for manufacturing pocketed coil springsSIMMONS USA CORP·Filed 1984·Granted Jan 21, 1986·38 cites·7 claims
- 1575US4462129AStabilized mattress borderSIMMONS USA CORP·Filed 1983·Granted Jul 31, 1984·47 cites·8 claims
- 1675US4389743AMattress arrangement having a removable side-insertable center core structureSIMMONS USA CORP·Filed 1981·Granted Jun 28, 1983·44 cites·39 claims
- 1760US4803742AConvertible bedSIMMONS USA CORP·Filed 1986·Granted Feb 14, 1989·28 cites·26 claims
- 1855US4519107ABoxspring having coil compression stopsSIMMONS USA CORP·Filed 1983·Granted May 28, 1985·20 cites·10 claims
- 1940US4399576AFlotation mattress incorporating drain/fill valveSIMMONS USA CORP·Filed 1981·Granted Aug 23, 1983·11 cites·3 claims
- 2040US4371998AHybrid flotation mattress having protecting, water proof linerSIMMONS USA CORP·Filed 1980·Granted Feb 8, 1983·11 cites·1 claims
- 2138US4378609ASofa bed with mattress longitudinally compressed for storage and methodSIMMONS USA CORP·Filed 1981·Granted Apr 5, 1983·9 cites·9 claims
- 2234US4490090AApparatus for transporting framesSIMMONS USA CORP·Filed 1982·Granted Dec 25, 1984·4 cites·18 claims
- 2329US4393792AApparatus for mattress manufactureSIMMONS USA CORP·Filed 1981·Granted Jul 19, 1983·3 cites·6 claims
- 2416US4399573AReinforced box spring frameSIMMONS USA CORP·Filed 1980·Granted Aug 23, 1983·5 cites·2 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →