Inventor · disambiguated record
Siegfried Schwert
Also filed as: SCHWERT SIEGFRIED
12 granted patents·428 citations·filing 1992–2013
92Inventor score
Top patents by PatentIndex Score
12 records- 0197US5984582AMethod of extracting a hollow unit laid in the groundFiled 1995·Granted Nov 16, 1999·206 cites·14 claims
- 0290US5271433AHose for lining pressure pipe linesSCHWERT SIEGFRIED·Filed 1992·Granted Dec 21, 1993·49 cites·12 claims
- 0386US7641756B2Method and device for lining a pipe conduit or a channelSCHWERT SIEGFRIED·Filed 2006·Granted Jan 5, 2010·19 cites·38 claims
- 0480US6050300AMethod and an apparatus for lining a pipe or ductKARL WEISS HOCH TIEF UND ROHRL·Filed 1998·Granted Apr 18, 2000·49 cites·17 claims
- 0573US9816660B2Lining hose, renovated pressure pipe and method for renovating a pressure pipeSCHWERT SIEGFRIED·Filed 2013·Granted Nov 14, 2017·4 cites·15 claims
- 0671US6129119AFlexible tube for lining pipes and ducts as well as method and an apparatus for manufacturing thereofKARL WEISS HOCH TIEF UND ROHRL·Filed 1998·Granted Oct 10, 2000·17 cites·22 claims
- 0761US6779563B2Method and tube for lining a high pressure pipeSCHWERT SIEGFRIED·Filed 2001·Granted Aug 24, 2004·11 cites·11 claims
- 0860US6374862B1Tubing for lining pipes and method for producing the sameFiled 1999·Granted Apr 23, 2002·24 cites·36 claims
- 0956US5997215AProcess and device for pulling a pipe laid or to be laid in the groundFiled 1996·Granted Dec 7, 1999·25 cites·39 claims
- 1050US8323445B2Method for lining a pipe conduit or a ductSCHWERT SIEGFRIED·Filed 2007·Granted Dec 4, 2012·0 cites·13 claims
- 1144US6053211AMethod for the coating of sewer pipes including apparatus for carrying out the methodKARL WEISS HOCH TIEF UND ROHRL·Filed 1998·Granted Apr 25, 2000·15 cites·33 claims
- 1241US6032698AMethod and an apparatus for lining a pipe or ductKARL WEISS HOCH TIEF UND ROHRL·Filed 1998·Granted Mar 7, 2000·9 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →