Oil filter wrench
US6520052B1 · kind B1 · utility
16Cited by
23References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2000 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | Jan 16, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B13/52
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An oil filter wrench comprising a gripping strap having an inner and outer surface, a handle for tightening the gripping strap. Gripping fingers extending inwardly from the gripping strap, each gripping finger being round and symmetrical and having a smooth convex gripping inner surface and a smooth concave outer surface. The fingers are provided on the strap in spaced relationship to each other in clusters of nine at spaced intervals around the strap, arranged in parallel rows of three each.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.