How many patents does
Unico have?
patents
291
families
40
granted
69
applications
222
US
67
EP
53
WO
25
KR
6
JP
5
CN
3
RoW
132
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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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12,000+
patents
42 million
patent families
23 million
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Unico
Top ten assignees appearing on patents
Unico
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| apparatus and method of referencing a sucker rod pump | 16 | 2012 |
| cranked rod pump apparatus and method | 15 | 2007 |
| subterranean pump with pump cleaning mode | 15 | 2014 |
| estimating fluid levels in a progressing cavity pump system | 15 | 2011 |
| induction motor torque control in a pumping system | 14 | 2009 |
| control system for centrifugal pumps | 14 | 2002 |
| enhanced oil production using control of well casing gas pressure | 14 | 2013 |
| autotransformer system reducing total harmonic distortion | 14 | 2013 |
| linear rod pump apparatus and method | 13 | 2006 |
| thermal protection for electrical device | 13 | 2013 |