Mold-Masters Limited
164Patents
0Active
164Granted
40Portfolio score
Filing activity: Dec 18, 1978 → Apr 10, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4981431A | Injection molding system with flanged insulating gate seal | Performing Operations; Transporting | 61 | Expired |
| US5849343A | Injection molding apparatus with a one-piece gate insert locating a cylindrical valve member | Performing Operations; Transporting | 45 | Expired |
| US5028227A | Injection molding nozzle with replaceable gate insert | Performing Operations; Transporting | 44 | Expired |
| US5820899A | Injection molding nozzle with edge gate inserts and sealing ring | Performing Operations; Transporting | 43 | Expired |
| US4917594A | Injection molding system with gas flow through valve gate | Performing Operations; Transporting | 41 | Expired |
| US4810184A | Injection molding system having manifold with side mounted nozzles | Performing Operations; Transporting | 40 | Expired |
| US4705473A | Dual feed bushing for multi-cavity injection molding | Performing Operations; Transporting | 40 | Expired |
| US5695793A | Injection molding valve member with head and neck portions | Performing Operations; Transporting | 38 | Expired |
| US6017209A | Injection molding cooled gate insert | Performing Operations; Transporting | 35 | Expired |
| US7210917B2 | Two position double injection molding apparatus | Performing Operations; Transporting | 35 | Expired |
| US4609138A | Method of manufacturing injection molding manifold with plugs | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4768945A | Injection molding nozzle having grounded heating element brazed into pointed tip | Performing Operations; Transporting | 33 | Expired |
| US5658604A | Injection molding carbide torpedo | Performing Operations; Transporting | 33 | Expired |
| US5226596A | Heated nozzle for plastic injection and manufacturing method therefor | Electricity | 32 | Expired |
| US4793795A | Injection molding system having clamped rotatable nozzles and method | Performing Operations; Transporting | 30 | Expired |
| US6030202A | Injection molding three portion gate and cavity insert | Performing Operations; Transporting | 30 | Expired |
| US6302680A | Injection molding apparatus with removable nozzle seal | Performing Operations; Transporting | 29 | Expired |
| US4530654A | Injection molding peripheral opening core ring gate | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4712995A | Replaceable rocker arm assembly for injection molding system | Performing Operations; Transporting | 28 | Expired |
| US5704113A | Injection molding nozzle method using a terminal locating and sealing key | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4740151A | Sealing and retaining bushing for injection molding | Performing Operations; Transporting | 27 | Expired |
| US5334010A | Valve gated injection molding apparatus with a spring in the piston | Performing Operations; Transporting | 26 | Expired |
| US6675055B1 | Method and apparatus for an automated injection molding configuring and manufacturing system | Physics | 26 | Expired |
| US5955121A | Injection molding apparatus with insert secured through the manifold to a nozzle | Performing Operations; Transporting | 26 | Expired |
| US6394784B1 | Compact cartridge hot runner nozzle | Emerging Cross-Sectional Technologies | 26 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.