Membrane roofing
US-9963880-B2 · May 8, 2018 · US
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Mechanical Engineering
Mechanical Engineering · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24J2002/4659 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 4 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2017 | 3 |
| 2018 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Membrane roofing
US-9752326-B2 · Sep 5, 2017 · US
Membrane roofing
US-9637926-B2 · May 2, 2017 · US
Solar roofing system
US-9541308-B2 · Jan 10, 2017 · US