How many patents does
Bj Services Company have?
patents
821
families
181
granted
298
applications
523
US
312
EP
51
GB
49
WO
19
CN
12
RoW
378
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Bj Services Company
Top ten assignees appearing on patents
Bj Services Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| fluidic impulse generator | 19 | 2009 |
| thermophilic mannanohydrolase and fracturing fluids containing the same | 18 | 2009 |
| apparatus and methods for allowing fluid flow inside at least one screen and outside a p… 🛈 | 17 | 2008 |
| system and method for selectively communicatable hydraulic nipples | 16 | 2008 |
| boron crosslinkers for fracturing fluids with appreciably lower polymer loading and rela… 🛈 | 16 | 2008 |
| improved subsea cementing plug system with plug launching tool | 15 | 2009 |
| method and apparatus for releasing a coiled tubing internal conduit from a bottom hole a… 🛈 | 15 | 2009 |
| bottom hole assembly with ported completion and methods of fracturing therewith | 15 | 2009 |
| method and apparatus for continuously injecting fluid in a wellbore while maintaining sa… 🛈 | 14 | 2005 |
| subsurface safety valve flapper | 13 | 2009 |