Helmut Lahr
5Patents
2h-index
4Co-inventors
44Inventor score
Filing activity: Sep 15, 1978 → Sep 26, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD262274S | Plant stand | General | 49 | Expired |
| US4241538A | Device for automatically watering plant containers | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5436377A | Process for isolating M-dichlorobenzene from mixtures of dichlorobenzene isomers | Chemistry; Metallurgy | 1 | Expired |
| US6255542A | Process for preparing 2-chloro-4-nitroalkylbenzene | Chemistry; Metallurgy | 0 | Expired |
| US6706934B2 | Method for producing 2,3,4,5-tetrachlorobenzotrifluoride | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.