Peter Kroll
14Patents
5h-index
27Co-inventors
66Inventor score
Filing activity: Dec 1, 1976 → Mar 24, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4089344A | Two-way pressure-control valve | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6655986B2 | Proximity switch | Electricity | 6 | Expired |
| US4080994A | Control arrangement for supplying pressure fluid to at least two hydraulically operated consumer devices | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6065496A | Electromagnetically operated directional valve | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6158689A | Yarn winding apparatus and method | Performing Operations; Transporting | 5 | Expired |
| US6637279B2 | Sensor assembly | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5197709A | Electromagnetic directional control valve | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5062810A | Plug insert for a metal tube housing | Emerging Cross-Sectional Technologies | 2 | Expired |
| US9464509B2 | Dripping off mat | Emerging Cross-Sectional Technologies | 1 | Active |
| US4489467A | Mounting device for a rod-shaped proximity switch | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10828752B2 | Tool for installing and removing threaded members | Performing Operations; Transporting | 0 | Active |
| US11320085B2 | System and protector for protecting an end of a pipe | Performing Operations; Transporting | 0 | Active |
| US12027295B2 | Housing for ferrite beads and other pass-through electrical filter components | Electricity | 0 | Active |
| US12365145B2 | Mesh to flexible screen frame laminator | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.