Keith Allison
16Patents
4h-index
12Co-inventors
57Inventor score
Filing activity: Feb 10, 1995 → Oct 3, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5464470A | Color-changing marking composition system | Chemistry; Metallurgy | 44 | Expired |
| US6160034A | Coloring composition | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6344498B1 | Erasable marking composition | Chemistry; Metallurgy | 8 | Expired |
| USD954320S1 | Heated light pad | General | 5 | Active |
| US11472219B2 | Wicking nib device and system | Performing Operations; Transporting | 2 | Active |
| USD968682S1 | Gripper pad | General | 2 | Active |
| US10711150B2 | Color development writing compositions and writing instruments | Chemistry; Metallurgy | 1 | Active |
| US9321927B2 | Enhanced washability inks and methods of making the same | Performing Operations; Transporting | 1 | Active |
| USD976096S1 | Product hanger hole | General | 1 | Active |
| US10669206B2 | Bead maker and decorator | Chemistry; Metallurgy | 0 | Active |
| US12097722B2 | Erasable writing compositions | Chemistry; Metallurgy | 0 | Active |
| US11813887B2 | Wicking nib device and system | Performing Operations; Transporting | 0 | Active |
| US11192395B2 | Color development writing compositions and writing instruments | Chemistry; Metallurgy | 0 | Active |
| US11377389B2 | Bead maker and decorator | Chemistry; Metallurgy | 0 | Active |
| US6706783B2 | Erasable marking composition | Chemistry; Metallurgy | 0 | Expired |
| US12345405B2 | Heated light pad | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.