Inventor
GROSS HEINZ
DE33 patents
⚠️ This page may combine multiple inventors who share the name “GROSS HEINZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROEHM GMBH
12 patentsUS5066435ANov 19, 1991
Process and system for producing multi-layer extrudate
ROEHM GMBH80 citations92
US5063112ANov 5, 1991
Impact-resistant methacrylate protective layer for polycarbonate, containing uv absorber
ROEHM GMBH32 citations92
US4724902AFeb 16, 1988
Plate heat exchanger
ROEHM GMBH27 citations92
US5286436AFeb 15, 1994
Producing extruded solid plastic sheet and film
ROEHM GMBH38 citations91
US5242742ASep 7, 1993
Extruded solid plastic sheet or film
ROEHM GMBH27 citations91
US4733718AMar 29, 1988
Heat exchanger bodies made of plastic
ROEHM GMBH26 citations89
US5149481ASep 22, 1992
Method of manufacturing thermoplastic sheet or film
ROEHM GMBH36 citations88
US6476148B1Nov 5, 2002
Matte-finished polymethacrylate films
ROEHM GMBH18 citations84
US5273420ADec 28, 1993
Extrusion die for thermoplastic webs
ROEHM GMBH13 citations73
US4797173AJan 10, 1989
Apparatus for face welding bundles of thermoplastic moldings under pressure
ROEHM GMBH13 citations64
US4773956ASep 27, 1988
Process for connecting bodies having hollow sections to molded bodies made of thermoplastic
ROEHM GMBH5 citations63
US4877474AOct 31, 1989
Process for the production of a hollow chamber plate of synthetic material
ROEHM GMBH1 citations52
(unassigned)
5 patentsUS6099290AAug 8, 2000
Apparatus for variable limitation of a flat flow channel
21 citations92
US6595484B1Jul 22, 2003
Wall structure having a deformable multi-walled area for varying a cross section of a flow channel
12 citations74
US5788998AAug 4, 1998
Adjustable throttle with flat channel cross-section
11 citations74
US5529730AJun 25, 1996
Methods and apparatus for controlling the bead height in a plastic web extruder
16 citations74
US6475414B1Nov 5, 2002
Method of extracting a melt strand
5 citations63
HOESCH WERKE AG
5 patentsUS4247033AJan 27, 1981
Method of and device for producing multi-layer pipes
HOESCH WERKE AG11 citations70
US4579273AApr 1, 1986
Welded pipe connection
HOESCH WERKE AG10 citations68
US4414042ANov 8, 1983
Method of making high strength steel tube
HOESCH WERKE AG6 citations68
US4063058ADec 13, 1977
Apparatus for making seam welded tubing
HOESCH WERKE AG2 citations63
US4732623AMar 22, 1988
Method of making high strength steel tube
HOESCH WERKE AG2 citations57
GROSS HEINZ
4 patentsUS4688319AAug 25, 1987
Multi-layer helical seam steel pipe
GROSS HEINZ29 citations89
US5542836AAug 6, 1996
Device for extruding and smoothing plastic films
GROSS HEINZ9 citations72
US9676134B2Jun 13, 2017
Extrusion head and method for producing hollow bodies
GROSS HEINZ1 citations51
US10071519B2Sep 11, 2018
Parison head with trifunctional component and method for discharging a parison
GROSS HEINZ0 citations41
HOESCH AG
2 patentsUS4827099AMay 2, 1989
Method and apparatus for continuous production of tubular bodies by means of laser longitudinal seam welding
HOESCH AG66 citations91
US4656332AApr 7, 1987
Use of the laser welding process for and method of manufacturing of welded construction parts for exhaust installations
HOESCH AG13 citations71