Olaf Hansen
20Patents
4h-index
42Co-inventors
63Inventor score
Filing activity: Nov 28, 2000 → Jul 26, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6630569B1 | Ectoparasiticide agents | Human Necessities | 18 | Expired |
| US6605595B1 | Avermectin derivatives | Human Necessities | 13 | Expired |
| US7417150B2 | Azoles having an insecticidal action | Chemistry; Metallurgy | 10 | Expired |
| US7728011B2 | Dermally applicable liquid formulations for controlling parasitic insects on animals | Human Necessities | 8 | Active |
| US6838462B2 | Insecticidal azoles | Human Necessities | 4 | Expired |
| US6927215B2 | Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides (I) | Chemistry; Metallurgy | 2 | Expired |
| US7419936B2 | Optically active 2,5-bisaryl-Δ1-pyrrolines and their use as pest control agents | Chemistry; Metallurgy | 1 | Expired |
| US9925167B2 | Agents for the control of parasites on animals | Human Necessities | 1 | Active |
| US6518296B1 | Substituted 3-thiocarbamoylpyrazoles | Chemistry; Metallurgy | 1 | Expired |
| US6710045B2 | Heterocyclic fluoroalkenyl thioethers and the use thereof as pesticides (IV) | Chemistry; Metallurgy | 1 | Expired |
| US7186722B2 | 2-heteroaryl-3,4-dihydro-2h-pyrrole derivatives and the use thereof as pesticides | Chemistry; Metallurgy | 1 | Expired |
| US6908937B2 | Heterocyclic fluoroalkenyl thioethers (II) | Chemistry; Metallurgy | 1 | Expired |
| US7074785B2 | Δ1-pyrrolines used as pesticides | Chemistry; Metallurgy | 1 | Expired |
| US10271553B2 | Spot-on active substance formulation | Human Necessities | 0 | Active |
| US6683028B1 | Cyclic guanidine derivatives and their use as pesticides | Chemistry; Metallurgy | 0 | Expired |
| US11278022B2 | Spot-on active substance formulation | Human Necessities | 0 | Active |
| US7179806B2 | Δ1-pyrrolines used as pesticides | Chemistry; Metallurgy | 0 | Expired |
| US6995185B2 | Δ1-pyrrolines used as pesticides | Chemistry; Metallurgy | 0 | Expired |
| US12396935B2 | Reduced odor formaldehyde-containing antiseptic lotion | Human Necessities | 0 | Active |
| US7115603B2 | A1-pyrrolines | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.