Trexel, Inc.
34Patents
8Active
34Granted
45Portfolio score
Filing activity: Jul 24, 1997 → Jul 20, 2022 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6884377B1 | Method and apparatus for microcellular polymer extrusion | Performing Operations; Transporting | 105 | Expired |
| US6284810A | Method and apparatus for microcellular polymer extrusion | Performing Operations; Transporting | 105 | Expired |
| US6231942A | Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby | Emerging Cross-Sectional Technologies | 98 | Expired |
| US7364788B2 | Fiber-filled molded articles | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6884823B1 | Injection molding of polymeric material | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6169122A | Microcellular articles and methods of their production | Emerging Cross-Sectional Technologies | 87 | Expired |
| US6235380A | Lamination of microcellular articles | Emerging Cross-Sectional Technologies | 85 | Expired |
| US6593384B2 | Polymer foam processing with low blowing agent levels | Performing Operations; Transporting | 67 | Expired |
| US6376059B1 | Polyethylene foams and methods of their production | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6616434B1 | Blowing agent metering system | Performing Operations; Transporting | 58 | Expired |
| US6294115A | Microcellular articles and methods of their production | Emerging Cross-Sectional Technologies | 55 | Expired |
| US6613811B1 | Microcellular thermoplastic elastomeric structures | Chemistry; Metallurgy | 50 | Expired |
| US6322347A | Methods for manufacturing foam material including systems with pressure restriction element | Performing Operations; Transporting | 44 | Expired |
| US7144532B2 | Blowing agent introduction systems and methods | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6926507B2 | Blowing agent delivery system | Performing Operations; Transporting | 42 | Expired |
| US6706223B1 | Microcelluar extrusion/blow molding process and article made thereby | Emerging Cross-Sectional Technologies | 30 | Expired |
| US8137600B2 | Injection molding of polymeric material | Emerging Cross-Sectional Technologies | 22 | Active |
| US6602063B1 | Discontinuous blowing agent delivery system and method | Performing Operations; Transporting | 19 | Expired |
| US7318713B2 | Polymer processing systems including screws | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7172333B2 | Injection molding screw | Performing Operations; Transporting | 16 | Expired |
| US6602064B1 | Polymer processing system and apparatus | Performing Operations; Transporting | 15 | Expired |
| US6659757B2 | Valve for injection molding | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7361294B2 | Injection molding of polymeric material | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6579910B2 | Methods for manufacturing foam material including systems with pressure restriction element | Performing Operations; Transporting | 10 | Expired |
| US7267534B2 | Methods for manufacturing foam material including systems with pressure restriction element | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.