| 6468464 |
Method and apparatus for injection molding parts |
Helmut Eckardt, Karl-Heinz Hill |
2002-10-22 |
| 6451230 |
Method for injection molding molded parts from thermoplastic and added fluid |
Helmut Eckardt |
2002-09-17 |
| 6264455 |
Apparatus for producing plastic objects with solid sections and hollow sections |
Helmut Eckardt, Alfons Seuthe, Michael Gosdin |
2001-07-24 |
| 6254813 |
Method and apparatus for injection molding plastic objects comprised of at least two different materials |
Helmut Eckardt, Karl-Heinz Hill |
2001-07-03 |
| 6143237 |
Method and apparatus for producing plastic objects with solid sections and hollow sections |
Helmut Eckardt, Alfons Seuthe, Michael Gosdin |
2000-11-07 |
| 6019935 |
Method for injection molding of molded parts of thermoplastic material |
Helmut Eckardt, Klaus Lusebrink, Michael Renger |
2000-02-01 |
| 5895667 |
Device for injection molding articles of plastics material which contain hollow spaces |
Helmut Eckardt, Michael Renger |
1999-04-20 |
| 5776412 |
Method and apparatus for producing plastic objects with solid sections and hollow sections |
Helmut Eckardt, Alfons Seuthe, Michael Gosdin |
1998-07-07 |
| 5759459 |
Method for producing plastic objects |
Helmut Eckardt, Alfons Seuthe, Michael Gosdin |
1998-06-02 |
| 5750155 |
Device for the injection molding of plastic objects enclosing hollow spaces and process for operating it |
Helmut Eckardt, Klaus Schroder, Uwe Hubel |
1998-05-12 |
| 5645866 |
Pressure controlling and/or regulating device for a fluid medium, in particular air or gas |
Helmut Eckardt, Johann Holzschuh, Michael Renger, Rolf Schwesinger |
1997-07-08 |
| 5466141 |
Device for injection molding articles of plastics material which contain hollow spaces |
Helmut Eckardt, Michael Renger |
1995-11-14 |
| 5169648 |
Apparatus for injection molding articles of thermoplastic materials |
Helmut Eckardt |
1992-12-08 |
| 5093053 |
Method of manufacturing multiple-layer molded articles of thermoplastic material |
Helmut Eckardt |
1992-03-03 |
| 5047183 |
Method of injection molding articles of thermoplastic materials |
Helmut Eckardt |
1991-09-10 |
| 4944909 |
Method for manufacturing multilayer molded articles |
Helmut Eckardt, Alexander Bockenheimer, Rainer Teschner |
1990-07-31 |
| 4789318 |
Device for manufacturing molded articles of plastics material |
— |
1988-12-06 |
| 4381272 |
Method of and system for injecting a fluid into a plastified mass in an extruder |
— |
1983-04-26 |
| 4210616 |
Apparatus for forming plastic |
Helmut Eckardt |
1980-07-01 |