Inventor · disambiguated record
Ralph-Peter Hegler
Also filed as: HEGLER RALPH · HEGLER RALPH P · HEGLER RALPH PETER · HEGLER RALPH PETER DR ING
51 granted patents·9 pending applications·1,439 citations·filing 1974–2024
99Inventor score
Files withHEGLER WILHELM26HEGLER RALPH PETER16BAYERISCHE MOTOREN WERKE AKTIN1HEGLER RALPH1HEGLER WILHEIM1
Top patents by PatentIndex Score
60 records- 0194US6343623B2Sealing ring for connecting the spigot of a corrugated pipe with a pipe socket having a smooth inside wallFiled 2001·Granted Feb 5, 2002·57 cites·11 claims
- 0292US3996323AMethod of producing double-walled synthetic plastics tubes having an outer wall with annular or helical corrugationsHEGLER WILHELM·Filed 1975·Granted Dec 7, 1976·54 cites·9 claims
- 0391US5320797AMethod and apparatus for the continuous manufacture of a compound pipe with a pipe socketHEGLER WILHELM·Filed 1993·Granted Jun 14, 1994·89 cites·14 claims
- 0490US4492551AApparatus for the production of plastic pipes with transverse groovesHEGLER WILHELM·Filed 1982·Granted Jan 8, 1985·63 cites·2 claims
- 0588US4513787ACorrugated sheathing hoseHEGLER WILHELM·Filed 1983·Granted Apr 30, 1985·53 cites·14 claims
- 0688US4303104ADouble-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smoothHEGLER WILHELM·Filed 1980·Granted Dec 1, 1981·49 cites·5 claims
- 0788US4212618AApparatus for the manufacture of transversely contoured tubing from thermoplastic materialHEGLER WILHELM·Filed 1979·Granted Jul 15, 1980·48 cites·21 claims
- 0887US7238317B2Method of continuously producing a twin-wall pipe with a ventilation zone between a socket and an adjacent elevationHEGLER RALPH PETER·Filed 2004·Granted Jul 3, 2007·22 cites·5 claims
- 0987US6457965B1Apparatus for the manufacture of corrugated plastic pipesFiled 2000·Granted Oct 1, 2002·27 cites·12 claims
- 1087US5996635AComposite pipe with a socket and method for its manufactureFiled 1997·Granted Dec 7, 1999·57 cites·9 claims
- 1186US5992469AComposite pipe with integral socketFiled 1998·Granted Nov 30, 1999·54 cites·11 claims
- 1286US4779651APlastic corrugated tube with integrally molded sleeve couplerHEGLER WILHELM·Filed 1987·Granted Oct 25, 1988·61 cites·7 claims
- 1385US5071173APlastic pipe for sewer pipe reconstructionHEGLER WILHELM·Filed 1990·Granted Dec 10, 1991·63 cites·13 claims
- 1483US4006599APlastic drain pipe and apparatus for producing the sameHEGLER WILHELM·Filed 1975·Granted Feb 8, 1977·31 cites·16 claims
- 1582US4900503AMethod and apparatus for producing a finned tube from synthetic plastics materialHEGLER WILHELM·Filed 1988·Granted Feb 13, 1990·43 cites·14 claims
- 1681US6458311B1Method for the continuous manufacture of a twin-wall pipe having a pipe socketFiled 1999·Granted Oct 1, 2002·43 cites·14 claims
- 1781US4930936APartial-seepage drainage pipe with mating sleeveHEGLER WILHELM·Filed 1984·Granted Jun 5, 1990·27 cites·14 claims
- 1880US3994644AExtruder head for extruding an outer tube or sheath about an inner tube or cableHEGLER WILHELM·Filed 1974·Granted Nov 30, 1976·32 cites·8 claims
- 1979US5693347AApparatus for the manufacture of pipes of thermoplastic plastics having transverse profile featuresHEGLER RALPH PETER·Filed 1996·Granted Dec 2, 1997·42 cites·15 claims
- 2077US8178034B2Method and device for the continuous production of a plastic compound pipe comprising a pipe socketHEGLER RALPH PETER·Filed 2008·Granted May 15, 2012·4 cites·7 claims
- 2177US6323425B1Method of producing a one-piece corrugated jacket pipe from thermoplastic and method of inserting at least one electric line into such a corrugated jacket pipeFiled 2000·Granted Nov 27, 2001·16 cites·2 claims
- 2277US6044591ADrain and inspection manhole for liquid conduits and manhole section thereforFiled 1998·Granted Apr 4, 2000·41 cites·15 claims
- 2376US10583596B2Injection head for an apparatus for the production of a twin-wall pipeHEGLER RALPH PETER·Filed 2016·Granted Mar 10, 2020·1 cites·10 claims
- 2476US5346384AApparatus for the production of plastic pipesHEGLER WILHELM·Filed 1992·Granted Sep 13, 1994·43 cites·6 claims
- 2575US7517210B1Apparatus for the manufacture of compound pipesHEGLER RALPH PETER·Filed 2007·Granted Apr 14, 2009·3 cites·5 claims
- 2675US3976414AApparatus for the production of double-walled synthetic plastic tubes having a transversely corrugated outer wall and a smooth inner wallHEGLER WILHELM·Filed 1975·Granted Aug 24, 1976·29 cites·16 claims
- 2774US8794948B2Apparatus for the continuous production of a twin wall pipe with an integral socketHEGLER RALPH PETER·Filed 2012·Granted Aug 5, 2014·2 cites·25 claims
- 2874US4145387AMethod of manufacturing double-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smoothHEGLER WILHELM·Filed 1977·Granted Mar 20, 1979·24 cites·7 claims
- 2973US8899956B2Device for producing pipes made of thermoplasticHEGLER RALPH·Filed 2011·Granted Dec 2, 2014·3 cites·9 claims
- 3073US4158534AApparatus for cutting openings at arbitrarily selectable intervals into pipesHEGLER WILHELM·Filed 1977·Granted Jun 19, 1979·20 cites·16 claims
- 3169US5320697AMethod for welding together pipes consisting of thermoplastic plasticsHEGLER WILHELM·Filed 1992·Granted Jun 14, 1994·28 cites·15 claims
- 3267US5472659AMethod for continuously manufacturing compound corrugated pipe having smooth portionsHEGLER WILHELM·Filed 1993·Granted Dec 5, 1995·31 cites·2 claims
- 3366US5976298AMethod of producing multilayer thermoplastic pipeRALPH PETER HEGLER·Filed 1996·Granted Nov 2, 1999·27 cites·8 claims
- 3465US2024318748A1Plastic pipe and plastic sleeve for connecting to such a plastic pipeHEGLER RALPH PETER·Filed 2024·Application pending·0 cites
- 3565US2024318749A1Plastic pipe and device for the continuous production of a pipe base body for a plastic pipe of this typeHEGLER RALPH PETER·Filed 2024·Application pending·0 cites
- 3664US6045347AApparatus for the production of plastic compound pipesFiled 1997·Granted Apr 4, 2000·23 cites·18 claims
- 3764US4915425APipe connecting elementHEGLER WILHEIM·Filed 1988·Granted Apr 10, 1990·29 cites·12 claims
- 3863US5393211AApparatus for the manufacture of a plastic pipe having transverse profile featuresHEGLER WILHELM·Filed 1993·Granted Feb 28, 1995·28 cites·5 claims
- 3962US6773253B2Device for producing profiled tubes consisting of synthetic materialFiled 2001·Granted Aug 10, 2004·4 cites·6 claims
- 4062US5560941AApparatus for the manufacture of corrugated pipes of thermoplastic plasticsHEGLER WILHELM·Filed 1995·Granted Oct 1, 1996·22 cites·6 claims
- 4162US4184831AApparatus for producing plastic drain pipesHEGLER RALPH PETER·Filed 1976·Granted Jan 22, 1980·19 cites·5 claims
- 4261US7600793B2Twin-wall pipe with a ventilation zone between a socket and an adjacent elevationHEGLER RALPH PETER·Filed 2007·Granted Oct 13, 2009·5 cites·2 claims
- 4361US6079451AIntegral corrugated jacket pipe and method of producing the sameBAYERISCHE MOTOREN WERKE AKTIN·Filed 1998·Granted Jun 27, 2000·27 cites·5 claims
- 4461US2009236032A1Method of continuously manufacturing a compound pipe comprising a pipe socket and apparatus for implementing the methodHEGLER RALPH PETER·Filed 2009·Application pending·0 cites
- 4558US4381276AProcess and apparatus for the fabrication of a flat-shaped hollow bodyHEGLER WILHELM·Filed 1981·Granted Apr 26, 1983·18 cites·9 claims
- 4657US6939503B2Method and apparatus for the manufacture of pipes of thermoplastics with transverse profile featuresFiled 2002·Granted Sep 6, 2005·2 cites·9 claims
- 4757US6578608B2Pipe construction kitFiled 2002·Granted Jun 17, 2003·13 cites·3 claims
- 4855US2012085498A1Apparatus for continuously producing a compound pipe comprising a pipe socketHEGLER RALPH PETER·Filed 2011·Application pending·0 cites
- 4955US2009136608A1Apparatus for continuous production of a composite pipe with a pipe socketHEGLER RALPH PETER·Filed 2008·Application pending·0 cites
- 5055US2009091055A1Method and apparatus for producing pipes having a transverse profile from thermoplastic materialHEGLER RALPH PETER·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →