How many patents does
Prad Research And Development have?
patents
19,892
families
3,364
granted
4,122
applications
15,770
US
5,826
WO
3,951
EP
2,126
GB
1,568
CN
862
JP
38
RoW
5,521
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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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patents
42 million
patent families
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Prad Research And Development
Top ten assignees appearing on patents
2009 - 2018
| schlumberger technology | 14604 |
| schlumberger holdings | 7096 |
| prad research and development | 6688 |
| services petroliers schlumberger | 6008 |
| schlumberger canada | 5344 |
| logined | 361 |
| smith international | 287 |
| chevron corporation | 107 |
| prad res & dev | 103 |
| schlumberger seaco | 86 |
Prad Research And Development
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| pick assembly | 80 | 2006 |
| stochastic bit noise control | 72 | 2007 |
| method and apparatus for sampling formation fluids | 47 | 2006 |
| a method for estimating an interval density in a wellbore | 45 | 2011 |
| system and method for low damage fracturing | 40 | 2007 |
| methods and apparatus for determining downhole parameters | 32 | 2011 |
| energy radiation generator with bi-polar voltage ladder | 29 | 2011 |
| system and method for performing downhole stimulation operations | 29 | 2010 |
| oberflächenkommunikationsgerät und verfahren zur verwendung für strangtelemetrie | 28 | 2005 |
| system and method for delivery of oilfield materials | 27 | 2012 |