Assignee
HEWING GMBH
DE·17 granted patents·691 citations·filing 1991–2000
Top patents by PatentIndex Score
17 records- 0192US5378023APipe connection, particularly on composite pipesHEWING GMBH·Filed 1991·Granted Jan 3, 1995·71 cites·20 claims
- 0292US5335530APressing tool for pressing a cylindrical pressing member or a pressing member comprising a cylindrical portion onto a round profile, particularly a pipe conduitHEWING GMBH·Filed 1992·Granted Aug 9, 1994·56 cites·7 claims
- 0390US5332269AConnecting device for plastic tubes and method for connecting a plastic tubeHEWING GMBH·Filed 1992·Granted Jul 26, 1994·74 cites·27 claims
- 0486US5829795APress-fitting device for connection of a tubeHEWING GMBH·Filed 1997·Granted Nov 3, 1998·64 cites·8 claims
- 0585US5274972AInstallation duct for utility linesHEWING GMBH·Filed 1992·Granted Jan 4, 1994·79 cites·6 claims
- 0684US5243800AInstallation duct for utility linesHEWING GMBH·Filed 1992·Granted Sep 14, 1993·78 cites·21 claims
- 0782US6361083B1Screw joint for pipesHEWING GMBH·Filed 1999·Granted Mar 26, 2002·58 cites·16 claims
- 0882US6322108B1Pipe fittingHEWING GMBH·Filed 1999·Granted Nov 27, 2001·58 cites·2 claims
- 0977US5307664AJointing clamp for pressing pipe connectionsHEWING GMBH·Filed 1992·Granted May 3, 1994·36 cites·3 claims
- 1069US6279614B1Multi-layer plastic tubeHEWING GMBH·Filed 1998·Granted Aug 28, 2001·46 cites·13 claims
- 1165US5377400AJointing clamp and method for pressing pipe connectionsHEWING GMBH·Filed 1993·Granted Jan 3, 1995·22 cites·25 claims
- 1263US5220818AApparatus for bending pipes with hinged clamping jawsHEWING GMBH·Filed 1992·Granted Jun 22, 1993·19 cites·13 claims
- 1350US6255623B1Surface heating system formed by a fluid-conducting inner pipe surrounded by a heat-destructible sheathing tube structureHEWING GMBH·Filed 2000·Granted Jul 3, 2001·7 cites·5 claims
- 1448US6253794B1Conduit in particular for sanitary and heating installation purposesHEWING GMBH·Filed 2000·Granted Jul 3, 2001·6 cites·5 claims
- 1536US5666820ACeiling coolingHEWING GMBH·Filed 1993·Granted Sep 16, 1997·11 cites·38 claims
- 1624US5214888AInstallation ductHEWING GMBH·Filed 1992·Granted Jun 1, 1993·3 cites·18 claims
- 1719US5704537AMethod for sheathing a plastic tube with a metal sheathingHEWING GMBH·Filed 1995·Granted Jan 6, 1998·3 cites·10 claims
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