Peter Lehmann
48Patents
12h-index
69Co-inventors
84Inventor score
Filing activity: Jun 5, 1975 → Jan 31, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4999927A | Process and device for drying a liquid layer applied to a moving carrier material | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US4096019A | Tensioning- and friction welding apparatus | Performing Operations; Transporting | 36 | Expired |
| US4677865A | Pipe pig with running gear | Performing Operations; Transporting | 31 | Expired |
| US3984278A | Apparatus for tensioning and fusing strips of thermoplastic material | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5264036A | Apparatus for applying a fluid under hydrostatic pressure to a moving web of material | Performing Operations; Transporting | 23 | Expired |
| US6382710B1 | Vehicle structure | Performing Operations; Transporting | 23 | Expired |
| US4956261A | Photosensitive diazo and photopolymerizable recording material with a photosensitive diazo intermediate layer | Physics | 19 | Expired |
| US5810345A | Apparatus for processing printed sheets with a fold | Performing Operations; Transporting | 18 | Expired |
| US4245030A | Photopolymerizable mixture containing improved plasticizer | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4798231A | Method and device for connecting at least two rods | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4680244A | Light-sensitive recording material for the production of a printing form or printed circuit with photoconductive layer and light-sensitive overlayer | Electricity | 13 | Expired |
| US5390806A | Beam tank | Performing Operations; Transporting | 12 | Expired |
| US4487823A | Light-sensitive copying material and process for the manufacture thereof utilizing non-ionic fluorinated ester surfactant | Physics | 11 | Expired |
| US5082537A | Process and apparatus for roughening a substrate for photosensitive layers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5029598A | Process for the uniform introduction of a fluid, and apparatus for carrying out the process | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4947902A | Device for twisting wires for connecting rods | Fixed Constructions | 9 | Expired |
| US4669597A | Escalator skirt panel | Performing Operations; Transporting | 8 | Expired |
| US5178195A | Apparatus for connecting at least two rods | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5998084A | Radiation-sensitive recording material for the production of planographic printing plates | Physics | 8 | Expired |
| US5097567A | Method and device for connecting at least two rods | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4814246A | Light-sensitive photoconductive recording material with light sensitive covering layer for use in manufacturing printing form or printed circuit | Electricity | 7 | Expired |
| US5054614A | Twistable wire clamp for connecting or closing objects | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7760895B1 | Virtual sound imaging loudspeaker system | Electricity | 6 | Active |
| US7287748B2 | Method and apparatus for producing selectively collated print products | Performing Operations; Transporting | 6 | Expired |
| US7486394B2 | Optical measuring head | Physics | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.