Issued Patents All Time
Showing 51–75 of 184 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942257 | Multi-layer injection molding apparatus having three position valve member | Helen Zhuang | 1999-08-24 |
| 5935615 | Injection molding apparatus having a melt bore through the front end of the pin | Denis Babin | 1999-08-10 |
| 5935621 | Injection molding apparatus having a cooled core | Denis Babin, Hans Guenther | 1999-08-10 |
| 5935616 | Injection molding apparatus having inter-manifold melt transfer bushings | Denis Babin | 1999-08-10 |
| 5930882 | Method of making injection molding cooled thread split inserts | — | 1999-08-03 |
| 5853777 | Nozzle retaining apparatus | — | 1998-12-29 |
| 5849343 | Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member | Denis Babin | 1998-12-15 |
| 5843361 | Injection molding manifolds with melt connector bushing | — | 1998-12-01 |
| 5820899 | Injection molding nozzle with edge gate inserts and sealing ring | Daniel A. Boehnen | 1998-10-13 |
| 5795599 | Injection molding nozzle guide and sealing ring | — | 1998-08-18 |
| 5792493 | Connector bushing for injection molding manifolds | — | 1998-08-11 |
| 5720995 | Injection molding manifolds with melt connector bushing | — | 1998-02-24 |
| 5705202 | Four heated nozzle manifolds interconnected in a common plane | — | 1998-01-06 |
| 5658604 | Injection molding carbide torpedo | Nin Ho | 1997-08-19 |
| 5652003 | Injection molding nozzle with radial vanes | — | 1997-07-29 |
| 5641526 | Injection molding nozzle manifold | — | 1997-06-24 |
| 5614233 | Injection molding nozzle with pressed in heating element and integral collar portion | — | 1997-03-25 |
| 5599567 | Cooled thread split inserts for injection molding preforms | — | 1997-02-04 |
| 5536165 | Injection molding apparatus with nozzle advanceable to mount side gate seals | — | 1996-07-16 |
| 5507636 | Injection holding heated nozzle with protective tubes | — | 1996-04-16 |
| 5507635 | Injection molding nozzle with separable core and one-piece collar | — | 1996-04-16 |
| 5494433 | Injection molding hot tip side gate seal having a circumferential rim | — | 1996-02-27 |
| 5474440 | Injection molding nozzle with collar having locating and retaining lug protions | — | 1995-12-12 |
| 5460510 | Valve gated stack injection molding apparatus | — | 1995-10-24 |
| 5443381 | Injection molding one-piece insert having cooling chamber with radial rib portions | — | 1995-08-22 |