Harald Schmidt
71Patents
19h-index
52Co-inventors
87Inventor score
Filing activity: Nov 24, 1975 → May 14, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6073976A | Screwed pipe joint with cutting ring for metal tubes | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5208052A | Hot runner nozzle assembly | Performing Operations; Transporting | 66 | Expired |
| US4981431A | Injection molding system with flanged insulating gate seal | Performing Operations; Transporting | 61 | Expired |
| US5360333A | Band heater clamp arrangement for an injection molding machine | Performing Operations; Transporting | 58 | Expired |
| US5324191A | Sealed edge gate | Performing Operations; Transporting | 58 | Expired |
| US5948448A | Apparatus for controlling plastic melt flow in injection molding machines | Performing Operations; Transporting | 56 | Expired |
| US6261084A | Elastically deformable nozzle for injection molding | Performing Operations; Transporting | 54 | 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 |
| US4768945A | Injection molding nozzle having grounded heating element brazed into pointed tip | Performing Operations; Transporting | 33 | Expired |
| US4793795A | Injection molding system having clamped rotatable nozzles and method | Performing Operations; Transporting | 30 | Expired |
| US4740151A | Sealing and retaining bushing for injection molding | Performing Operations; Transporting | 27 | Expired |
| US4747770A | Fluid cooled hydraulic actuating mechanism for injection molding | Performing Operations; Transporting | 25 | Expired |
| US5022846A | Pneumatic actuating mechanism for injection molding | Performing Operations; Transporting | 24 | Expired |
| US6554604B1 | System for individual control of multiple valve gates | Performing Operations; Transporting | 23 | Expired |
| US5320513A | Printed circuit board for an injection molding apparatus | Performing Operations; Transporting | 23 | Expired |
| US4702689A | Side mounted manifold block for variable orientation of injection molding nozzle | Performing Operations; Transporting | 22 | Expired |
| US5934571A | Two-stage fuel-injection nozzle for internal combustion engines | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5007821A | Injection molding manifold having a pair of cooling bores on opposite sides of the melt passage | Performing Operations; Transporting | 18 | Expired |
| US4818217A | Injection molding system with nozzles in tandem | Performing Operations; Transporting | 17 | Expired |
| US6683283B2 | Apparatus and method for heating injection molding fluid | Performing Operations; Transporting | 15 | Expired |
| US5219593A | Injection molding apparatus | Performing Operations; Transporting | 15 | Expired |
| US5192556A | Plastic molding apparatus for equalizing flow pressure and flow velocity of plastic melt | Performing Operations; Transporting | 14 | Expired |
| US4755131A | Fluid cooled hydraulic actuating mechanism for single cavity injection molding | Performing Operations; Transporting | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.