Walter Haug
21Patents
7h-index
21Co-inventors
69Inventor score
Filing activity: Dec 1, 1982 → Feb 4, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4726129A | Snow tiller | Fixed Constructions | 25 | Expired |
| US4509768A | Vehicle with detachable implement | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4523398A | Track former for cross country ski tracks with means to move former to transport position | Fixed Constructions | 24 | Expired |
| US5197211A | Vehicle for beach cleaning | Fixed Constructions | 14 | Expired |
| US5659984A | Snow grooming device | Human Necessities | 11 | Expired |
| US5265949A | Steel crosspiece | Performing Operations; Transporting | 11 | Expired |
| US4560303A | Apparatus for forming cross country skiing tracks in a snow covered surface | Fixed Constructions | 10 | Expired |
| US4559725A | Rotary tiller for maintaining cross country ski trails | Fixed Constructions | 7 | Expired |
| US4738037A | Track maintenance vehicle with vertically adjustable track conditioner implement, particularly a snow tiller apparatus | Fixed Constructions | 7 | Expired |
| US5220965A | Vehicle for beach cleaning | Fixed Constructions | 6 | Expired |
| US4718183A | Snow tiller | Fixed Constructions | 6 | Expired |
| US9706893B2 | Liquid extraction cleaning device and method | Human Necessities | 5 | Active |
| US9282869B2 | Liquid extraction cleaning device and method | Human Necessities | 5 | Active |
| USD727578S1 | Liquid extraction cleaning device | General | 3 | Active |
| US4888891A | Levelling attachment | Fixed Constructions | 3 | Expired |
| US9788700B2 | Liquid extraction cleaning device and method | Human Necessities | 2 | Active |
| US9448807B2 | Automatic creation, deployment, and upgrade of disk images | Physics | 1 | Active |
| US9788699B2 | Liquid extraction cleaning device and method | Human Necessities | 0 | Active |
| US9538893B2 | Liquid extraction cleaning device | Human Necessities | 0 | Active |
| US9717386B2 | Liquid extraction cleaning device | Human Necessities | 0 | Active |
| USD728874S1 | Liquid extraction cleaning device | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.