Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7175791 | Process for producing dish-shaped moldings of thermoplastic material | Michael Pappert, Alfred Jira, Andreas Hollweg, Wolfgang Kummer | 2007-02-13 |
| 6818583 | Components and catalysts for the polymerization of olefins | Giampiero Morini, Giulio Balbontin, Yuri. V Gulevich, Henricus Petrus Bernardus Duijghuisen, Remco Kelder +1 more | 2004-11-16 |
| 6716939 | Components and catalysts for the polymerization of olefins | Giampiero Morini, Giulio Balbontin | 2004-04-06 |
| 6488884 | Process and apparatus for producing hollow bodies from thermoplastic material | Werner Daubenbuchel, Erich Kiefer, Karsten Friedrichs, Dieter Hess, Ulrich Naumann | 2002-12-03 |
| 5409647 | Process for the production of hollow bodies from thermoplastic material | Erich Kiefer | 1995-04-25 |
| 5368462 | Blow molding apparatus for the production of a hollow body of thermoplastic material | Erich Kiefer, Karsten Friedrichs | 1994-11-29 |
| 5250238 | Process for blow molding hollow bodies with symmetric mold portion movement | Erich Kiefer, Karsten Friedrichs | 1993-10-05 |
| 5143681 | Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash | Werner Daubenbuchel, Otto Eiselen, Karsten Friedrichs, Erich Kiefer | 1992-09-01 |
| 5141698 | Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash | Werner Daubenbuchel, Otto Eiselen, Karsten Friedrichs, Erich Kiefer | 1992-08-25 |
| 5110519 | Process for minimizing disturbance of multi-layer laminate material in extrusion of multi-layer preforms for blow molding of hollow bodies | Werner Daubenbuchel, Otto Eiselen, Karsten Friedrichs, Dieter Hess, Erich Kiefer | 1992-05-05 |
| 5014873 | Barrel of thermoplastic material | Werner Clemens, Werner Daubenbuchel, Otto Eiselen, Erich Kiefer, Peter Teichmann +1 more | 1991-05-14 |
| 4304543 | Apparatus for the manufacture of hollow bodies | Heinz Rolniczak | 1981-12-08 |