Inventor · disambiguated record
Rolf Kümmerling
Also filed as: KUEMMERLING ROLF · KÜMMERLING ROLF
13 granted patents·1 pending application·12 citations·filing 1981–2015
84Inventor score
Files withMANNESMANN AG5KÜMMERLING ROLF3VALLOUREC DEUTSCHLAND GMBH3KUEMMERLING ROLF1PRASSER CHRISTOPH1
Top patents by PatentIndex Score
14 records- 0155US8166792B2Method of making a seamless hot-finished steel pipe, and device for carrying out the methodPRASSER CHRISTOPH·Filed 2005·Granted May 1, 2012·2 cites·21 claims
- 0247US9937540B2Piercing mandrel having an improved service life for producing seamless tubesVALLOUREC DEUTSCHLAND GMBH·Filed 2014·Granted Apr 10, 2018·0 cites·18 claims
- 0337US10239102B2Rolling rod as an inner tool in the production of seamless metal hollow bodies and method for producing a metal hollow bodyVALLOUREC DEUTSCHLAND GMBH·Filed 2015·Granted Mar 26, 2019·0 cites·22 claims
- 0436US2010251794A1Forging mandrel for hot-forging tubular workpieces of metalV&M DEUTSCHLAND GMBH·Filed 2008·Application pending·0 cites
- 0535US9381554B2Method for producing seamless hot-rolled pipes in continuous pipe rolling millsKÜMMERLING ROLF·Filed 2011·Granted Jul 5, 2016·0 cites·6 claims
- 0634US9056341B2Method for producing seamless tubes by means of a three-roll bar rolling millKÜMMERLING ROLF·Filed 2009·Granted Jun 16, 2015·0 cites·5 claims
- 0734US4392369ADiagonal rolling of hollow stockMANNESMANN AG·Filed 1981·Granted Jul 12, 1983·5 cites·3 claims
- 0832US5115656AMethod and apparatus for manufacturing medium-walled and thin-walled seamless pipesMANNESMANN AG·Filed 1991·Granted May 26, 1992·3 cites·12 claims
- 0928US8316680B2Method of making a seamless hollow body from steelKUEMMERLING ROLF·Filed 2006·Granted Nov 27, 2012·0 cites·15 claims
- 1027US10695809B2Method for producing hot-rolled seamless pipes having thickened endsVALLOUREC DEUTSCHLAND GMBH·Filed 2015·Granted Jun 30, 2020·0 cites·17 claims
- 1126US9248483B2Method and device for the optimized circulation of rods in the production of a seamlessly hot-fabricated steel pipe according to the continuous pipe methodKÜMMERLING ROLF·Filed 2010·Granted Feb 2, 2016·0 cites·27 claims
- 1221US5357773AMethod of longitudinal rolling of seamless pipeMANNESMANN AG·Filed 1993·Granted Oct 25, 1994·0 cites·2 claims
- 1320US6006570AMethod and device for producing a hollow body from solid round steelMANNESMANN AG·Filed 1997·Granted Dec 28, 1999·1 cites·6 claims
- 1416US4408477AAdjustable press toolMANNESMANN AG·Filed 1982·Granted Oct 11, 1983·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →