Landscaping block wall
US-D905282-S · Dec 15, 2020 · US
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Keystone Retaining Wall Systems Llc patents in 2020
Keystone Retaining Wall Systems Llc was listed as an assignee on 14 patent publications in 2020.
| Metric | Value |
|---|---|
| Company | Keystone Retaining Wall Systems Llc |
| Year | 2020 |
| Patents | 14 |
Patents
Representative publications for Keystone Retaining Wall Systems Llc in 2020.
Retaining wall block and retaining wall block system
US-2020347596-A1 · Nov 5, 2020 · US
Wall blocks having one or more multi-faceted faces or side walls, wall block systems and methods of constructing a wall
US-2020299920-A1 · Sep 24, 2020 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-2020284046-A1 · Sep 10, 2020 · US
Retaining wall block and retaining wall block system
US-10760269-B2 · Sep 1, 2020 · US
Top CPC classifications
Most common classification codes for Keystone Retaining Wall Systems Llc in 2020.
| CPC | Patents |
|---|---|
| E02D29/025 | 7 |
| E04C1/395 | 7 |
| E04B2/12 | 4 |
| E01C2201/02 | 3 |
| E01C5/06 | 3 |
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