Assignee
HEWING GMBH
DE17 patents
Top patents by PatentIndex Score
US5829795ANov 3, 1998
Press-fitting device for connection of a tube
HEWING GMBH64 citations95
US6361083B1Mar 26, 2002
Screw joint for pipes
HEWING GMBH58 citations92
US6322108B1Nov 27, 2001
Pipe fitting
HEWING GMBH58 citations92
US5274972AJan 4, 1994
Installation duct for utility lines
HEWING GMBH79 citations92
US5378023AJan 3, 1995
Pipe connection, particularly on composite pipes
HEWING GMBH71 citations91
US5243800ASep 14, 1993
Installation duct for utility lines
HEWING GMBH78 citations91
US5332269AJul 26, 1994
Connecting device for plastic tubes and method for connecting a plastic tube
HEWING GMBH74 citations90
US5377400AJan 3, 1995
Jointing clamp and method for pressing pipe connections
HEWING GMBH22 citations88
US5307664AMay 3, 1994
Jointing clamp for pressing pipe connections
HEWING GMBH36 citations88
US5335530AAug 9, 1994
Pressing tool for pressing a cylindrical pressing member or a pressing member comprising a cylindrical portion onto a round profile, particularly a pipe conduit
HEWING GMBH56 citations86
US6279614B1Aug 28, 2001
Multi-layer plastic tube
HEWING GMBH46 citations85
US5220818AJun 22, 1993
Apparatus for bending pipes with hinged clamping jaws
HEWING GMBH19 citations69
US6255623B1Jul 3, 2001
Surface heating system formed by a fluid-conducting inner pipe surrounded by a heat-destructible sheathing tube structure
HEWING GMBH7 citations68
US5666820ASep 16, 1997
Ceiling cooling
HEWING GMBH11 citations64
US5214888AJun 1, 1993
Installation duct
HEWING GMBH3 citations58
US6253794B1Jul 3, 2001
Conduit in particular for sanitary and heating installation purposes
HEWING GMBH6 citations57
US5704537AJan 6, 1998
Method for sheathing a plastic tube with a metal sheathing
HEWING GMBH3 citations45