How many patents does
Pratt & Whitney Canada Corporation have?
patents
4,312
families
1,258
granted
1,101
applications
3,211
US
1,989
EP
708
CN
45
WO
44
JP
1
GB
1
RoW
1,524
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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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Pratt & Whitney Canada Corporation
Top ten assignees appearing on patents
2009 - 2018
Pratt & Whitney Canada Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| compound engine assembly with inlet lip anti-icing | 32 | 2015 |
| engine intake assembly with selector valve | 25 | 2015 |
| auxiliary power unit with variable speed ratio | 22 | 2015 |
| turbofan case and method of making | 18 | 2003 |
| a piece of furniture, such as an adjustable bed, having an adjustable platform | 18 | 2011 |
| multi-spool gas turbine engine architecture | 16 | 2016 |
| rotary internal combustion engine with pilot subchamber | 15 | 2011 |
| vane assembly with improved vane roots | 15 | 2005 |
| blade outer air seal anti-rotation | 14 | 2009 |
| umbrella shelter | 14 | 2009 |