How many patents does
Hydrometer have?
patents
263
families
91
granted
90
applications
173
EP
71
US
24
CN
14
WO
8
RoW
146
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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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Hydrometer
Top ten assignees appearing on patents
2009 - 2018
| hydrometer | 211 |
| diehl metering | 41 |
| hydrometer electronic | 3 |
| ems-patent | 3 |
| ehms-patent | 1 |
2009
| hydrometer | 16 |
| ems-patent | 2 |
| hydrometer electronic | 1 |
| ehms-patent | 1 |
2018
| diehl metering | 8 |
Hydrometer
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| ultrasound transducer assembly and ultrasound flowmeter | 15 | 2010 |
| flow aligner for a flow measuring device, in particular an ultrasound measuring device | 12 | 2008 |
| gas meter | 9 | 2010 |
| gas meter | 8 | 2011 |
| gas meter | 8 | 2010 |
| method for correcting offset drift effects of a thermal measuring device, thermal measur… 🛈 | 7 | 2011 |
| zählergehäuse zum einsetzen in eine rohrleitung | 6 | 2006 |
| flowmeter | 6 | 2013 |
| flow meter | 6 | 2005 |
| fluid counter | 6 | 2007 |