How many patents does
Chengdu Damo Petroleum Machinery Group Company have?
patents
434
families
415
granted
19
applications
415
CN
434
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
Chengdu Damo Petroleum Machinery Group Company
Top ten assignees appearing on patents
2009
2018
Chengdu Damo Petroleum Machinery Group Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| centering device applicable to large hydraulic dismantling machine | 2 | 2009 |
| assembling and disassembling for bonnet bolt | 2 | 2014 |
| pccp pipe diameter measuring device | 2 | 2015 |
| oil pipe supporting device suitable for elbow | 2 | 2015 |
| safety monitoring system for bent pipe | 2 | 2015 |
| pressure contact type spring pressure test device | 2 | 2013 |
| blowout control box pneumatic control device capable of reducing cost | 2 | 2015 |
| cleaning mechanism for removing dirt from inner wall by spiral advancing | 2 | 2015 |
| fixing rack for supporting oil pipeline | 2 | 2015 |
| height-adjustable supporting pipe for oil delivery pipe | 2 | 2015 |