Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877976 | Molding die for ribbed pipe | Manfred A. A. Lupke | 2005-04-12 |
| 6644951 | Molding apparatus with mold block section transfer system | Manfred A. A. Lupke | 2003-11-11 |
| 6401320 | Method of simultaneously making a plurality of metallic pipes | Manfred A. A. Lupke | 2002-06-11 |
| 6399002 | Method of making a pipe with coupling conforming to pipe diameter | Manfred A. A. Lupke | 2002-06-04 |
| 6372161 | Operation of a mold block with air flow control | Manfred A. A. Lupke | 2002-04-16 |
| 6352425 | Rotating disk extruder | Manfred A. A. Lupke | 2002-03-05 |
| 6208815 | Method for differentiating or detecting particles in a sample by identifying signal segments of time-resolved, optical raw signals from the sample on the basis of single photon detection | Claus Seidel, Rolf W. Günther | 2001-03-27 |
| 6155813 | Pipe molding apparatus with air assist of plastic onto cooling plug | Manfred A. A. Lupke | 2000-12-05 |
| 6089851 | Mold block with air flow control | Manfred A. A. Lupke | 2000-07-18 |
| 6056528 | Extruder head mandrel spider | Manfred A. A. Lupke | 2000-05-02 |
| 6054089 | Method and apparatus of cooling product within a mold | Manfred A. A. Lupke | 2000-04-25 |
| 5846575 | Pipe forming mandrel with multiple sleeve inner tube | Manfred A. A. Lupke | 1998-12-08 |
| 5824351 | Molding apparatus with non-reflective mold tunnels | Manfred A. A. Lupke | 1998-10-20 |
| 5605083 | Pipe cutting apparatus with differential speed rotatable ring cutter actuation | Manfred A. A. Lupke | 1997-02-25 |
| 5573787 | Mold apparatus with cooling channels | Manfred A. A. Lupke | 1996-11-12 |
| 5525289 | Method and apparatus for cooling hollow molded product | Manfred A. A. Lupke | 1996-06-11 |
| 5429398 | Coupling for ribbed pipe | — | 1995-07-04 |