Manfred Lehmann
20Patents
9h-index
25Co-inventors
75Inventor score
Filing activity: May 27, 1976 → Oct 14, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4935753A | Apparatus for the cleaning and sealing of the nozzle surface of an ink head | Performing Operations; Transporting | 62 | Expired |
| US5461405A | Ink jet printer device with exchangeable printheads | Performing Operations; Transporting | 24 | Expired |
| US4422839A | Exit die | Performing Operations; Transporting | 21 | Expired |
| US4152104A | Head for extruding a thermoplastic tubular member | Performing Operations; Transporting | 19 | Expired |
| US5256051A | Storage head for a blow molding machine | Performing Operations; Transporting | 18 | Expired |
| US5957338A | Refillable container for highly viscous media | Performing Operations; Transporting | 16 | Expired |
| US5374943A | Method for activating and for driving printing elements | Physics | 16 | Expired |
| US4888598A | Ink writing head with piezoelectrically excitable membrane | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4090618A | Device for inserting spacing strips between boards to be stacked | Performing Operations; Transporting | 11 | Expired |
| US6092691A | Process and arrangement for proportioning viscous material | Performing Operations; Transporting | 8 | Expired |
| US6363231B1 | Printing system and printing method for producing a chromatically mixed sheet sequence | Physics | 8 | Expired |
| US6256463A | Printing system and printing method for producing a mixed color sheet sequence | Physics | 8 | Expired |
| US6551089B1 | Extrusion head with spiral-channel distributor element | Performing Operations; Transporting | 4 | Expired |
| US4735862A | Aerostatic bearing | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5256049A | Storage head for a blow molding machine | Performing Operations; Transporting | 3 | Expired |
| US5242231A | Method for activating and for driving printing elements | Physics | 2 | Expired |
| US5460504A | Storage head for a blow molding machine | Performing Operations; Transporting | 2 | Expired |
| US8440046B2 | Method for fastening a plate or glass panel in a frame element and sealing element for use in such a method | Emerging Cross-Sectional Technologies | 0 | Active |
| US6123771A | Device for applying adhesive spots on a substrate | Performing Operations; Transporting | 0 | Expired |
| US8260170B2 | System to produce a locking connection between a toner reservoir and a cover sealing the toner reservoir | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.