Inventor · disambiguated record
Walter Stumpf
Also filed as: STUMPF WALTER · STUMPF WALTER J
24 granted patents·1 pending application·1,946 citations·filing 1977–2018
98Inventor score
Files withSIMMONS USA CORP12SIDHIL TECHNOLOGY LLC4SIMMONS3MERO RAUMSTRUKTUR GMBH & CO2FED MOGUL BURSCHEID GMBH1
Top patents by PatentIndex Score
25 records- 0199US4578834AInnerspring constructionSIMMONS USA CORP·Filed 1984·Granted Apr 1, 1986·193 cites·16 claims
- 0298US4439977AMethod and apparatus for making a series of pocketed coil springsSIMMONS USA CORP·Filed 1981·Granted Apr 3, 1984·175 cites·20 claims
- 0398US4234983AThermally welded spring pocketsSIMMONS·Filed 1978·Granted Nov 25, 1980·167 cites·5 claims
- 0497US6347423B1Jacketed cushioning elements and assemblies thereof in mattresses and upholsterySIDHIL TECHNOLOGY LLC·Filed 2000·Granted Feb 19, 2002·146 cites·19 claims
- 0597US4895352AMattress or cushion spring arraySIMMONS CO·Filed 1989·Granted Jan 23, 1990·107 cites·7 claims
- 0697US4451946APocketed spring assemblySIMMONS USA CORP·Filed 1981·Granted Jun 5, 1984·139 cites·9 claims
- 0796US4854023AMethod for providing pocketed coil strings having a flat overlap side seamSIMMONS USA CORP·Filed 1988·Granted Aug 8, 1989·95 cites·24 claims
- 0896US4234984APocketed spring assemblySIMMONS·Filed 1979·Granted Nov 25, 1980·95 cites·9 claims
- 0994US6260331B1Method and apparatus for the manufacture of pocketed springsSIDHIL TECHNOLOGY LLC·Filed 2000·Granted Jul 17, 2001·64 cites·44 claims
- 1094US4986518APocketed coil strings having a flat overlap side seamSIMMONS USA CORP·Filed 1989·Granted Jan 22, 1991·77 cites·12 claims
- 1194US4485506ACoil spring constructionSIMMONS USA CORP·Filed 1983·Granted Dec 4, 1984·123 cites·8 claims
- 1294US4401501AApparatus for making assemblies of pocketed springsSIMMONS USA CORP·Filed 1982·Granted Aug 30, 1983·68 cites·9 claims
- 1392US6131892ABelted pocketed springs and assemblies thereofSIDHIL TECHNOLOGY LLC·Filed 1999·Granted Oct 17, 2000·66 cites·14 claims
- 1491US4566926AMethod and apparatus for manufacturing innerspring constructionsSIMMONS USA CORP·Filed 1985·Granted Jan 28, 1986·86 cites·25 claims
- 1590US4523344AIndependent block assembly of springsSIMMONS USA CORP·Filed 1982·Granted Jun 18, 1985·94 cites·8 claims
- 1681US4491491AUltrasonic separation apparatusSIMMONS USA CORP·Filed 1983·Granted Jan 1, 1985·31 cites·10 claims
- 1780US4565046AApparatus for manufacturing pocketed coil springsSIMMONS USA CORP·Filed 1984·Granted Jan 21, 1986·38 cites·7 claims
- 1879US6101697AApparatus for producing string of pocket coilsINT BEDDING CORP INC·Filed 1997·Granted Aug 15, 2000·62 cites·34 claims
- 1971US5319815ABox spring core with compartmentalized springsHUESER SCHLARAFFIA WERKE·Filed 1991·Granted Jun 14, 1994·55 cites·12 claims
- 2069US11408508B2Piston ringFED MOGUL BURSCHEID GMBH·Filed 2018·Granted Aug 9, 2022·0 cites·18 claims
- 2161US5483780APlanar or three-dimensional ceiling latticework consisting of bars and joint-fittings, in particular a walk-on ceiling latticeMERO RAUMSTRUKTUR GMBH & CO·Filed 1994·Granted Jan 16, 1996·30 cites·16 claims
- 2255US4519107ABoxspring having coil compression stopsSIMMONS USA CORP·Filed 1983·Granted May 28, 1985·20 cites·10 claims
- 2346US4165808AUpholstery coil transfer mechanismSIMMONS·Filed 1977·Granted Aug 28, 1979·8 cites·2 claims
- 2441US2003110566A1Modular pocketed spring constructionSIDHIL TECHNOLOGY LLC·Filed 2001·Application pending·0 cites
- 2538US4444523ADevice for connecting plates and/or rodsMERO RAUMSTRUKTUR GMBH & CO·Filed 1981·Granted Apr 24, 1984·7 cites·6 claims
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