Inventor · disambiguated record
Manfred A. A. Lupke
Also filed as: LUPKE MANFRED · LUPKE MANFRED A · LUPKE MANFRED A A
66 granted patents·6 pending applications·1,334 citations·filing 1975–2020
99Inventor score
Files withLUPKE MANFRED ARNO ALFRED29LUPKE MANFRED A A11LUPKE GERD PAUL HEINRICH7CORMA1LUPKE MANFRED A1
Top patents by PatentIndex Score
72 records- 0194US4319872AApparatus for producing thermoplastic tubingLUPKE GERD PAUL HEINRICH·Filed 1980·Granted Mar 16, 1982·86 cites·5 claims
- 0294US3957386ACorrugated tubing perforating machineLUPKE MANFRED ARNO ALFRED·Filed 1975·Granted May 18, 1976·67 cites·15 claims
- 0391US4534923AMethod and apparatus for forming a double walled thermoplastic tube with integral bellsLUPKE MANFRED ARNO ALFRED·Filed 1983·Granted Aug 13, 1985·56 cites·10 claims
- 0491US4226580AApparatus for producing thermoplastic tubingLUPKE GERD PAUL HEINRICH·Filed 1978·Granted Oct 7, 1980·64 cites·11 claims
- 0589US4510013AApparatus for producing multi-walled thermoplastic tubingLUPKE MANFRED ARNO ALFRED·Filed 1982·Granted Apr 9, 1985·57 cites·2 claims
- 0685US10279536B2System and method for identifying thermal expansion issues in a corrugatorLUPKE MANFRED ARNO ALFRED·Filed 2016·Granted May 7, 2019·2 cites·9 claims
- 0785US5582849ATravelling mold with mold block carriersFiled 1994·Granted Dec 10, 1996·53 cites·6 claims
- 0885US5405569AMethod and apparatus for forming a double walled thermoplastic tube with integral bellsFiled 1993·Granted Apr 11, 1995·61 cites·22 claims
- 0985US4504206AChainless mold drive for a corrugator or the likeLUPKE MANFRED ARNO ALFRED·Filed 1983·Granted Mar 12, 1985·49 cites·1 claims
- 1085US4305703AComposite die assembly for use in the production of thermoplastic tubingLUPKE MANFRED ARNO ALFRED·Filed 1980·Granted Dec 15, 1981·41 cites·16 claims
- 1184US5324557AMulti-skin annularly ribbed tubeLUPKE MANFRED ARNO ALFRED·Filed 1992·Granted Jun 28, 1994·58 cites·8 claims
- 1283US4199314AApparatus for producing thermoplastic tubingLUPKE GERD PAUL HEINRICH·Filed 1977·Granted Apr 22, 1980·40 cites·2 claims
- 1382US6644951B2Molding apparatus with mold block section transfer systemFiled 2001·Granted Nov 11, 2003·19 cites·8 claims
- 1481US6399002B1Method of making a pipe with coupling conforming to pipe diameterFiled 1998·Granted Jun 4, 2002·51 cites·5 claims
- 1580US5605083APipe cutting apparatus with differential speed rotatable ring cutter actuationFiled 1995·Granted Feb 25, 1997·44 cites·1 claims
- 1679US4165214AApparatus for producing corrugated thermoplastic tubingLUPKE GERD PAUL HEINRICH·Filed 1977·Granted Aug 21, 1979·34 cites·5 claims
- 1778US4770618AExtrusion die for two-ply plastic tubingLUPKE MANFRED ARNO ALFRED·Filed 1986·Granted Sep 13, 1988·41 cites·8 claims
- 1878US4218164AApparatus and method for perforating tubingLUPKE GERD PAUL HEINRICH·Filed 1979·Granted Aug 19, 1980·26 cites·22 claims
- 1975US9969119B2Mold block returnLUPKE MANFRED ARNO ALFRED·Filed 2015·Granted May 15, 2018·1 cites·10 claims
- 2075US4545751AApparatus for molding of plastic tubingLUPKE MANFRED ARNO ALFRED·Filed 1984·Granted Oct 8, 1985·32 cites·1 claims
- 2174US5002478AImprovements in suction applying mold blocks in pipe forming apparatusLUPKE MANFRED ARNO ALFRED·Filed 1989·Granted Mar 26, 1991·32 cites·4 claims
- 2274US4180357AApparatus and method for perforating tubing and method of producing part of such apparatusLUPKE GERD PAUL HEINRICH·Filed 1978·Granted Dec 25, 1979·23 cites·26 claims
- 2372US8146620B2Non-circular pipe profileLUPKE MANFRED ARNO ALFRED·Filed 2010·Granted Apr 3, 2012·3 cites·16 claims
- 2472US7798796B2Pipe extruding system with cooling plug separationLUPKE MANFRED A A·Filed 2008·Granted Sep 21, 2010·2 cites·9 claims
- 2572US7104777B2Pipe mold with compensation for pipe shrinkageLUPKE MANFRED A A·Filed 2005·Granted Sep 12, 2006·2 cites·8 claims
- 2672US4136143AApparatus for and method of producing corrugated thermoplastic tubingLUPKE GERD PAUL HEINRICH·Filed 1977·Granted Jan 23, 1979·26 cites·10 claims
- 2771US7976753B2Method of forming corrugated pipe with a pipe spigot seal seatLUPKE MANFRED A A·Filed 2005·Granted Jul 12, 2011·2 cites·14 claims
- 2871US7311509B2Externally cooled moving moldLUPKE MANFRED A A·Filed 2004·Granted Dec 25, 2007·9 cites·17 claims
- 2969US4325685AApparatus for producing thermoplastic tubing having interchangeable mold blocksLUPKE MANFRED ARNO ALFRED·Filed 1980·Granted Apr 20, 1982·28 cites·8 claims
- 3068US5525289AMethod and apparatus for cooling hollow molded productFiled 1995·Granted Jun 11, 1996·26 cites·21 claims
- 3166US2010031789A1Pipe cut-off apparatusLUPKE MANFRED A A·Filed 2009·Application pending·0 cites
- 3263US11156316B2Pipe couplingLUPKE MANFRED ARNO ALFRED·Filed 2019·Granted Oct 26, 2021·0 cites·16 claims
- 3362US6372161B1Operation of a mold block with air flow controlFiled 2000·Granted Apr 16, 2002·4 cites·1 claims
- 3461US5744091AApparatus for making annularly ribbed plastic pipe and method of making such pipeFiled 1993·Granted Apr 28, 1998·21 cites·8 claims
- 3561US4587874ARotary punchLUPKE MANFRED ARNO ALFRED·Filed 1984·Granted May 13, 1986·16 cites·9 claims
- 3660US7625196B2Device for manufacturing a double-walled, thermoplastic tube with a connecting sleeveLUPKE MANFRED A A·Filed 2001·Granted Dec 1, 2009·3 cites·15 claims
- 3760US6905325B2Pipe mold with compensation for pipe shrinkageFiled 2001·Granted Jun 14, 2005·3 cites·4 claims
- 3860US4681526AApparatus for molding thermoplastic pipesLUPKE MANFRED ARNO ALFRED·Filed 1986·Granted Jul 21, 1987·20 cites·4 claims
- 3959US7013778B1Tube cutting deviceLUPKE MANFRED A A·Filed 2000·Granted Mar 21, 2006·8 cites·14 claims
- 4059US6352425B1Rotating disk extruderFiled 2000·Granted Mar 5, 2002·3 cites·5 claims
- 4159US5023029AMethod and apparatus for producing pipe with annular ribsLUPKE MANFRED ARNO ALFRED·Filed 1989·Granted Jun 11, 1991·19 cites·16 claims
- 4257US6050805AExtrusion equipment having means for adjusting a delivery end of a die with respect to the extruder for alignment with downstream equipmentFiled 1993·Granted Apr 18, 2000·18 cites·12 claims
- 4356US11407161B2Finned mold blockLUPKE MANFRED ARNO ALFRED·Filed 2020·Granted Aug 9, 2022·0 cites·17 claims
- 4456US8075295B2Alignable cooling plug for extruderLUPKE MANFRED ARNO ALFRED·Filed 2008·Granted Dec 13, 2011·0 cites·16 claims
- 4556US7524177B2Pipe molding system with vacuum and temperature controls of cooling plugsLUPKE MANFRED A A·Filed 2004·Granted Apr 28, 2009·2 cites·6 claims
- 4656US7517209B2Molding apparatus with mold blocks having profiled face adjustmentLUPKE MANFRED A A·Filed 2003·Granted Apr 14, 2009·2 cites·7 claims
- 4756US4936768AExtrusion die for externally ribbed plastic tubingLUPKE MANFRED ARNO ALFRED·Filed 1989·Granted Jun 26, 1990·17 cites·7 claims
- 4855US5531585ATravelling mold with separation of mold blocksFiled 1994·Granted Jul 2, 1996·16 cites·6 claims
- 4955US5372774AProcess of and apparatus for making plastic tubingCORMA·Filed 1990·Granted Dec 13, 1994·20 cites·30 claims
- 5054US11052593B2Die head and die tooling spider with spider legs having curved flow guidesLUPKE MANFRED ARNO ALFRED·Filed 2020·Granted Jul 6, 2021·0 cites·14 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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