How many patents does
Haicheng Petroleum Machinery Manufacture Company have?
patents
236
families
235
granted
1
applications
235
CN
236
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
Haicheng Petroleum Machinery Manufacture Company
Top ten assignees appearing on patents
Haicheng Petroleum Machinery Manufacture Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| lifting and lowering buffer control device for derrick of drilling machine and use metho… 🛈 | 2 | 2015 |
| high -power direct current rig low level winch motor beam | 1 | 2015 |
| water supplying device for drilling machine | 1 | 2011 |
| jaw plate returning device | 1 | 2011 |
| centre frame rotation header for practical lathe | 1 | 2011 |
| rotating four-jaw chuck for lathe tailstock | 1 | 2011 |
| sealing structure of chain case observation hole | 1 | 2011 |
| grind shoe | 1 | 2011 |
| novel lifting type sleeve table for drilling machine | 1 | 2011 |
| racking platform of drilling rig | 1 | 2011 |