How many patents does
Mhwirth have?
patents
501
families
84
granted
108
applications
393
GB
106
WO
89
US
82
EP
36
CN
26
KR
5
JP
1
RoW
156
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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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Mhwirth
Top ten assignees appearing on patents
2009 - 2018
| mhwirth | 323 |
| aker mh | 68 |
| aker wirth | 60 |
| maritime promeco | 12 |
| aker kvaerner mh | 10 |
| aker subsea | 1 |
| mhwirht | 1 |
| aker virt | 1 |
| wirth maschinen- und bohrgeraete-f… 🛈 | 1 |
2018
| mhwirth | 80 |
| maritime promeco | 2 |
| aker wirth | 1 |
| aker mh | 1 |
| aker kvaerner mh | 1 |
Mhwirth
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| positive displacement pump and operating method thereof | 17 | 2011 |
| a compensator | 16 | 2011 |
| a riser connector assembly | 15 | 2013 |
| a fluid diverter system for a drilling facility. | 14 | 2011 |
| top drive drilling apparatus | 13 | 2005 |
| multi capacity riser tensioners | 12 | 2012 |
| a method and a system for controlling movements of a free-hanging tubular | 12 | 2010 |
| pumping system | 11 | 2005 |
| apparatus and method for making boreholes in the ground, the cross sections of which bor… 🛈 | 11 | 2008 |
| a seafastening apparatus for a tensioner assembly | 11 | 2010 |