Inventor
ECKARDT HELMUT
35 patents
⚠️ This page may combine multiple inventors who share the name “ECKARDT HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BATTENFELD GMBH
21 patentsUS5093053AMar 3, 1992
Method of manufacturing multiple-layer molded articles of thermoplastic material
BATTENFELD GMBH76 citations96
US5047183ASep 10, 1991
Method of injection molding articles of thermoplastic materials
BATTENFELD GMBH42 citations92
US6451230B1Sep 17, 2002
Method for injection molding molded parts from thermoplastic and added fluid
BATTENFELD GMBH42 citations91
US6143237ANov 7, 2000
Method and apparatus for producing plastic objects with solid sections and hollow sections
BATTENFELD GMBH18 citations91
US5759459AJun 2, 1998
Method for producing plastic objects
BATTENFELD GMBH44 citations91
US5466141ANov 14, 1995
Device for injection molding articles of plastics material which contain hollow spaces
BATTENFELD GMBH33 citations91
US5882559AMar 16, 1999
Process for injection molding objects having at least two different layers
BATTENFELD GMBH31 citations90
US5656215AAug 12, 1997
Process for injection molding objects having at least two different layers
BATTENFELD GMBH22 citations90
US6468464B1Oct 22, 2002
Method and apparatus for injection molding parts
BATTENFELD GMBH26 citations89
US6254813B1Jul 3, 2001
Method and apparatus for injection molding plastic objects comprised of at least two different materials
BATTENFELD GMBH21 citations89
US6294126B1Sep 25, 2001
Process for controlling gas blanket extent in plastics injection molding
BATTENFELD GMBH19 citations83
US5169648ADec 8, 1992
Apparatus for injection molding articles of thermoplastic materials
BATTENFELD GMBH21 citations82
US4944909AJul 31, 1990
Method for manufacturing multilayer molded articles
BATTENFELD GMBH21 citations77
US5667819ASep 16, 1997
Apparatus for injection molding of multi-layer objects
BATTENFELD GMBH10 citations74
US5895667AApr 20, 1999
Device for injection molding articles of plastics material which contain hollow spaces
BATTENFELD GMBH8 citations72
US5776412AJul 7, 1998
Method and apparatus for producing plastic objects with solid sections and hollow sections
BATTENFELD GMBH7 citations72
US5750155AMay 12, 1998
Device for the injection molding of plastic objects enclosing hollow spaces and process for operating it
BATTENFELD GMBH15 citations70
US6630085B1Oct 7, 2003
Method for the multicomponent injection molding of plastic parts
BATTENFELD GMBH9 citations68
US6713014B2Mar 30, 2004
Method and apparatus for injection molding parts which have at least one cavity
BATTENFELD GMBH4 citations63
US6709626B2Mar 23, 2004
Process and apparatus for injection molding of molded parts having at least one cavity
BATTENFELD GMBH6 citations55
US6264455B1Jul 24, 2001
Apparatus for producing plastic objects with solid sections and hollow sections
BATTENFELD GMBH0 citations50
SCHLOEMANN SIEMAG AG
5 patentsUS4078875AMar 14, 1978
Injection molding
SCHLOEMANN SIEMAG AG57 citations96
US3947177AMar 30, 1976
Apparatus for injection molding of multi-layer bodies of thermoplastic
SCHLOEMANN SIEMAG AG91 citations96
US4210616AJul 1, 1980
Apparatus for forming plastic
SCHLOEMANN SIEMAG AG31 citations91
US3945535AMar 23, 1976
Injection molding apparatus
SCHLOEMANN SIEMAG AG21 citations78
US4134687AJan 16, 1979
Control of plastic injection
SCHLOEMANN SIEMAG AG14 citations74
BATTENFELD HOLDING GMBH
2 patentsUS5804223ASep 8, 1998
Device for fabricating multiple plastic objects from thermoplastic material with constant compressor power setting
BATTENFELD HOLDING GMBH2 citations59
US5599487AFeb 4, 1997
Method and device for fabricating plastic objects from thermoplastic material
BATTENFELD HOLDING GMBH1 citations48