How many patents does
Clearwater International have?
patents
553
families
80
granted
172
applications
381
US
176
GB
68
EP
49
WO
24
CN
10
RoW
226
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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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Clearwater International
Top ten assignees appearing on patents
2009
| clearwater international | 25 |
| weatherford/lamb | 5 |
| cisco technology | 2 |
Clearwater International
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method to consolidate solid materials during subterranean treatment operations | 20 | 2013 |
| a quick lock wireline valve/blow-out preventor and methods for making and using same | 20 | 2007 |
| environmentally friendly permanent quaternaries of polyamines and their use as clay stab… 🛈 | 18 | 2013 |
| foamed gel systems for fracturing subterranean formations, and methods for making and us… 🛈 | 17 | 2008 |
| aggregating reagents, modified particulate metal-oxides, and methods for making and usin… 🛈 | 17 | 2005 |
| stable foamed cement slurry compositions and methods for making and using same | 16 | 2008 |
| composition and method for pipeline conditioning and freezing point suppression | 15 | 2007 |
| compositions and method for breaking hydraulic fracturing fluids | 15 | 2010 |
| sand aggregating reagents, modified sands, and methods for making and using same | 15 | 2005 |
| a defoamer formulation and methods for making and using same | 14 | 2010 |