Soil conditioning device
US7478684B2 · kind B2 · utility
7Cited by
52References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 2005 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Jul 7, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B29/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A soil conditioning device having a series of peripheral ridge members having a leading and trailing prow shaped surface circumscribing a disc, wheel or drum and a method of use. Optionally the prow shaped peripheral ridge members are joined by sub-ridge members forming a single ridge of varying heights circumscribing the disc, wheel or drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.