Patent · US Active

Chain with identification apparatus

US7958715B2 · kind B2 · utility

32Cited by

46References

30Claims

0Family size

Assignee

National Oilwell Varco, L.P. · US

Inventors

Nathan Kinert · Houston, US
Leon Ellison · Huffman, US
Reinhold Kammann · Celle, DE
Manfred Worms · Bad Doberan, DE
Clive Lam · Tomball, US
Guy L. McClung, III · Spring, US

Key dates

Filing date	Dec 20, 2008
Grant date	Jun 14, 2011
Priority date	—
Expiry date	Dec 17, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB07B2230/01
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A link member (e.g. a chain link or an elevator link) having a body, the body having two spaced-apart ends, wave-energizable apparatus (one or more) on the link body, and, in one aspect, a wrap or wraps securing the wave-energizable apparatus to the link. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.