The report contains ten-year analysis with the following sections
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swelltec | 263 |
weatherford u.k. | 8 |
weatherford/lamb | 2 |
weatherford technology holdings | 1 |
swelltec | 43 |
swelltec | 5 |
weatherford u.k. | 5 |
Title of patent family (most common patent title) |
Family members |
Filing year |
---|---|---|
swellable downhole centraliser | 54 | 2006 |
downhole apparatus and method | 22 | 2008 |
downhole apparatus and method | 21 | 2007 |
downhole apparatus and method | 19 | 2007 |
downhole isolation methods and apparatus therefor | 19 | 2011 |
method of forming a downhole apparatus | 14 | 2008 |
wellbore apparatus and method | 14 | 2008 |
improvements to swellable apparatus | 14 | 2009 |
swellable packer having a cable conduit | 13 | 2008 |
method and apparatus for testing swellable materials | 13 | 2008 |