Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332767 | Apparatus for injection molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 2001-12-25 |
| 6129960 | Methods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made thereby | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 2000-10-10 |
| 6095785 | Apparatus for injection moulding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 2000-08-01 |
| 5975871 | Methods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made thereby | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1999-11-02 |
| 5968558 | Apparatus for injection molding and injection blow molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1999-10-19 |
| 5853772 | Methods and apparatus for injection molding and injection blow molding multi-layer articles, and the articles made thereby | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1998-12-29 |
| 5523045 | Methods for injection molding and blow-molding multi-layer plastic articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1996-06-04 |
| 5037285 | Apparatus for injection molding and injection blow molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1991-08-06 |
| 4946365 | Apparatus for injection molding and injection blow molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1990-08-07 |
| 4934915 | Apparatus for injection molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1990-06-19 |
| 4931246 | Method for injection molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1990-06-05 |
| 4925100 | Methods and apparatus for injection molding and injection blow molding multi-layer articles, and articles made thereby | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1990-05-15 |
| 4895504 | Apparatus for injection molding and injection blow molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1990-01-23 |
| 4892699 | Methods for injection molding and injection blow molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1990-01-09 |
| 4745013 | Multi-layer molded articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1988-05-17 |
| 4712990 | Apparatus for injection molding and injection blow molding multi-layer articles | Frederick G. Kudert, Maurice G. Latreille, Robert J. McHenry, George F. Nahill, Henry Pfutzenreuter, III +2 more | 1987-12-15 |
| 4518344 | Methods and apparatus for maintaining a pressure contact seal between nozzles and cavities of an on-line injection molding machine | Maurice G. Latreille | 1985-05-21 |
| 4512730 | Polymer flow stream redirecting and feeding device | Frederick G. Kudert, Thomas T. Tung | 1985-04-23 |
| 4511528 | Flow stream channel splitter devices for multi-coinjection nozzle injection molding machines | Frederick G. Kudert, Maurice G. Latreille | 1985-04-16 |
| 4497621 | Apparatus for simultaneously driving valve means through co-injection nozzles of a multi-cavity injection molding machine | Frederick G. Kudert, Maurice G. Latreille, Thomas T. Tung | 1985-02-05 |