Jurgen Ehritt
19Patents
11h-index
12Co-inventors
69Inventor score
Filing activity: Mar 16, 1978 → Jul 7, 2000
Most-cited inventions
| 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 |
| US4210616A | Apparatus for forming plastic | Emerging Cross-Sectional Technologies | 27 | 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 |
| US4381272A | Method of and system for injecting a fluid into a plastified mass in an extruder | Performing Operations; Transporting | 23 | Expired |
| US5466141A | Device for injection molding articles of plastics material which contain hollow spaces | Performing Operations; Transporting | 20 | Expired |
| US4944909A | Method for manufacturing multilayer molded articles | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5169648A | Apparatus for injection molding articles of thermoplastic materials | Performing Operations; Transporting | 12 | Expired |
| US6468464B1 | Method and apparatus for injection molding parts | Performing Operations; Transporting | 11 | Expired |
| US6143237A | Method and apparatus for producing plastic objects with solid sections and hollow sections | Performing Operations; Transporting | 10 | Expired |
| US5645866A | Pressure controlling and/or regulating device for a fluid medium, in particular air or gas | 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 |
| US6019935A | Method for injection molding of molded parts of thermoplastic material | Performing Operations; Transporting | 5 | Expired |
| US5750155A | Device for the injection molding of plastic objects enclosing hollow spaces and process for operating it | Performing Operations; Transporting | 4 | Expired |
| US5776412A | Method and apparatus for producing plastic objects with solid sections and hollow sections | Performing Operations; Transporting | 4 | Expired |
| US5895667A | Device for injection molding articles of plastics material which contain hollow spaces | Performing Operations; Transporting | 2 | Expired |
| US6264455A | Apparatus for producing plastic objects with solid sections and hollow sections | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.