How many patents does
Keystone Retaining Wall Systems have?
patents
413
families
114
granted
65
applications
348
US
220
WO
25
EP
23
CN
3
KR
2
RoW
140
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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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Keystone Retaining Wall Systems
Top ten assignees appearing on patents
Keystone Retaining Wall Systems
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| irregular tessellated building units | 26 | 2003 |
| wall block with weight bearing pads and method of producing wall blocks | 20 | 2007 |
| retaining wall block | 13 | 2007 |
| wall blocks, veneer panels for wall blocks and method of constructing walls | 12 | 2009 |
| block splitter assembly and method of producing wall blocks | 12 | 2007 |
| wall block and wall block system | 12 | 2012 |
| artificial knee implant including liquid ballast supporting / rotating surfaces and inco… 🛈 | 12 | 2007 |
| retaining wall | 11 | 2010 |
| method of making wall block | 11 | 2003 |
| permeable surface covering units and permeable surface covering | 11 | 2012 |