Ehrhart Schulze
11Patents
6h-index
3Co-inventors
51Inventor score
Filing activity: Apr 5, 1976 → Jan 4, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4277241A | Apparatus for forming bags of thermoplastic material | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4302276A | Machine for welding a moving web of material by means of a movable welding tool | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4160396A | Apparatus for the perforation of tracks of goods | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4195960A | Conveyor with downward step for stacked sheets of film material | Performing Operations; Transporting | 6 | Expired |
| US4207136A | Welding machine for thermoplastic web | Performing Operations; Transporting | 6 | Expired |
| US4518378A | Apparatus for the manufacture of plastic bags | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4300977A | Machine for welding thermoplastic sheets | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4317656A | Article-deflecting switching means for a system of article conveyors | Performing Operations; Transporting | 4 | Expired |
| US4268343A | Machine for working on a web of material by means of a welding tool | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4030652A | Equalizing device for movements in packing machines, especially machines for making bags and the like | Performing Operations; Transporting | 1 | Expired |
| USRE30956E | Welding machine for thermoplastic web | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.