Battenfeld GmbH
44Patents
0Active
44Granted
34Portfolio score
Filing activity: Sep 10, 1987 → Jul 18, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5093053A | Method of manufacturing multiple-layer molded articles of thermoplastic material | Performing Operations; Transporting | 53 | Expired |
| US4789318A | Device for manufacturing molded articles of plastics material | Performing Operations; Transporting | 31 | Expired |
| US5047183A | Method of injection molding articles of thermoplastic materials | Performing Operations; Transporting | 31 | Expired |
| US6451230B1 | Method for injection molding molded parts from thermoplastic and added fluid | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5759459A | Method for producing plastic objects | Performing Operations; Transporting | 24 | Expired |
| US5466141A | Device for injection molding articles of plastics material which contain hollow spaces | Performing Operations; Transporting | 20 | Expired |
| US5928677A | Apparatus for producing hollow plastic objects with pressurized gas injection after overflow cut-off | Performing Operations; Transporting | 15 | Expired |
| US4944909A | Method for manufacturing multilayer molded articles | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5656215A | Process for injection molding objects having at least two different layers | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5078586A | Arrangement for securing a die to a die holder | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5338174A | Displacement and/or actuating force drive device for an injection molding machine | Performing Operations; Transporting | 13 | Expired |
| US5169648A | Apparatus for injection molding articles of thermoplastic materials | Performing Operations; Transporting | 12 | Expired |
| US5580585A | Hydraulic operational system for an injection molding machine | Electricity | 12 | Expired |
| US5882559A | Process for injection molding objects having at least two different layers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5106283A | Apparatus for injection molding plastic material | Performing Operations; Transporting | 12 | Expired |
| US6468464B1 | Method and apparatus for injection molding parts | Performing Operations; Transporting | 11 | Expired |
| US4810182A | Quick changing and quick gripping device for the molding tools of injection molding machines | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6143237A | Method and apparatus for producing plastic objects with solid sections and hollow sections | Performing Operations; Transporting | 10 | Expired |
| US5368463A | Closing unit for an injection molding machine | Performing Operations; Transporting | 9 | Expired |
| US4786244A | Coupling device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6403010B1 | Method for injecting plastic material | Performing Operations; Transporting | 7 | Expired |
| US6294126A | Process for controlling gas blanket extent in plastics injection molding | Performing Operations; Transporting | 7 | Expired |
| US4849143A | Method of injection molding of thermoplastic materials using the optimum injection flow rate pattern | Performing Operations; Transporting | 7 | Expired |
| US6254813A | Method and apparatus for injection molding plastic objects comprised of at least two different materials | Performing Operations; Transporting | 7 | Expired |
| US5762973A | Hydraulic operating system for plastics processing machines, especially for injection molding machines | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.