How many patents does
Dresser-Rand Company have?
patents
1,291
families
254
granted
314
applications
977
US
441
EP
299
WO
237
CN
41
GB
31
JP
16
KR
4
RoW
222
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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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the following tables are just extracts from the report
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Dresser-Rand Company
Top ten assignees appearing on patents
2009 - 2018
2009
| dresser-rand company | 48 |
| peter brotherhood | 3 |
| synchrony | 2 |
| transcanada pipelines | 1 |
Dresser-Rand Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| heat engine and heat to electricity systems and methods | 31 | 2009 |
| supersonic compressor | 27 | 2011 |
| impulse turbine for use in bi-directional flows | 21 | 2006 |
| magnetic thrust bearing with integrated electronics | 18 | 2008 |
| power augmentation of combustion turbines by extraction of additional expander airflow a… 🛈 | 16 | 2007 |
| bladed drum for rotary separator system and method | 14 | 2010 |
| adiabatic compressed air energy storage process | 13 | 2010 |
| gas turbine engine with supersonic compressor | 13 | 2011 |
| supersonic ejector package | 12 | 2008 |
| caes plant using humidified air in the bottoming cycle expander | 12 | 2007 |