Patio blocks and block systems with side surface positioning and retaining structures
US-11060305-B2 · Jul 13, 2021 · US
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having fixed spacing features
having fixed spacing features · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E01C2201/02 |
| Official title | having fixed spacing features |
| Display label | having fixed spacing features |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Patio blocks and block systems with side surface positioning and retaining structures
US-2020284046-A1 · Sep 10, 2020 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-10655340-B2 · May 19, 2020 · US
Landscaping block
US-D880727-S · Apr 7, 2020 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-2019352914-A1 · Nov 21, 2019 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-10370859-B2 · Aug 6, 2019 · US
Landscaping block
US-D844181-S · Mar 26, 2019 · US
Permeable surface covering units and permeable surface covering
US-2018371705-A1 · Dec 27, 2018 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-2018238061-A1 · Aug 23, 2018 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-9951527-B2 · Apr 24, 2018 · US
Irregular tessellated building units
US-9745742-B2 · Aug 29, 2017 · US
Permeable surface covering units and permeable surface covering
US-2017167086-A1 · Jun 15, 2017 · US
Patio blocks and block systems with side surface positioning and retaining structures
US-2017022722-A1 · Jan 26, 2017 · US
Irregular tessellated building units
US-2016333577-A1 · Nov 17, 2016 · US
Irregular tessellated building units
US-9428906-B2 · Aug 30, 2016 · US