How many patents does
Anton Oilfield Services have?
patents
431
families
311
granted
107
applications
324
CN
378
GB
12
US
11
WO
7
EP
3
RoW
20
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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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Anton Oilfield Services
Top ten assignees appearing on patents
Anton Oilfield Services
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| segmental flow-control method for flow-control filter string in oil-gas well and oil-gas… 🛈 | 11 | 2009 |
| anti-channeling pack-off particles used in a production section of an oil-gas well, and … 🛈 | 11 | 2009 |
| segmented current controlling method of current controlling filter pipe column of oil-ga… 🛈 | 11 | 2009 |
| flow control screen tube for use in oil recovery process | 9 | 2009 |
| oil-gas well structure for facilitating extracting a downhole filter string and method f… 🛈 | 9 | 2009 |
| method and system for segmental flow control in oil-gas well | 6 | 2009 |
| top part packer of tail pipe | 3 | 2014 |
| rotary cutting tool | 2 | 2013 |
| modularized prying device for repairing pipe threads and manufacturing method thereof | 2 | 2010 |
| high temperature-resistance external casing packer | 2 | 2009 |