Peter van Drumpt
6Patents
2h-index
4Co-inventors
40Inventor score
Filing activity: May 25, 2005 → Jan 15, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7581684B2 | Device for placing material on or beneath the soil surface and method for doing the same | Human Necessities | 16 | Expired |
| US8640636B2 | Device for placing material on or beneath the soil surface | Human Necessities | 2 | Active |
| US10119627B2 | Poppet valve | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8769866B2 | High pressure injection system for applying a pesticide beneath the surface of the ground | Emerging Cross-Sectional Technologies | 1 | Active |
| US9796639B2 | Polymer mixing technique | Emerging Cross-Sectional Technologies | 0 | Active |
| US9243378B2 | Device for placing material on or beneath the soil surface | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.