How many patents does
Wuxi Seamless Oil Pipe Company have?
patents
332
families
298
granted
36
applications
296
CN
332
Buy the report
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
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Wuxi Seamless Oil Pipe Company
Top ten assignees appearing on patents
Wuxi Seamless Oil Pipe Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| cambered surface and plane sealed variable tooth wide wedge-type coupling structure and … 🛈 | 2 | 2013 |
| multi-plane sealing tooth-width-changing wedge type coupling structure and oil well pipe… 🛈 | 2 | 2013 |
| structure of open hydraulic cylinder device of three-roller centering unit | 2 | 2012 |
| control circuit of steel pipe paint sprayer | 2 | 2012 |
| improved orsat gas analyzer and analysis method thereof | 2 | 2012 |
| special round thread pipe coupling | 2 | 2012 |
| special buttress thread oil sleeve connecting joint | 2 | 2012 |
| high-sealing special circular thread oil sleeve connection connector | 2 | 2012 |
| special buttress thread oil sleeve joint | 2 | 2012 |
| arc-shaped conical surface sealed variable tooth wide wedge-type coupling structure and … 🛈 | 2 | 2013 |