Building based on large-space structure and freestanding external envelope as well as construction method
US-2019257094-A1 · Aug 22, 2019 · US
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for carrying away waste gases, e.g. flue gases (free-standing chimneys E04H12/28; connections between fireplace and chimney, chimney fittings, covers for cleaning holes of chimneys F23J; chimney tops F23L); Building elements specially designed therefor, e.g. shaped bricks or sets thereof {(coke-ovens C10B; working measures on existing vertical ducts E04G23/02; apparatus for inserting new lining elements in existing ducts E04G21/16; metallic chimneys, linings, joints and spacers therefor F23J11/00, F23J13/00)}
for carrying away waste gases, e.g. flue gases (free-standing chimneys E04H12/28; connections between fireplace and chimney, chimney fittings, covers for cleaning holes of chimneys F23J; chimney tops F23L); Building elements specially designed therefor, e.g. shaped bricks or sets thereof {(coke-ovens C10B; working measures on existing vertical ducts E04G23/02; apparatus for inserting new lining elements in existing ducts E04G21/16; metallic chimneys, linings, joints and spacers therefor F23J11/00, F23J13/00)} · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E04F17/02 |
| Official title | for carrying away waste gases, e.g. flue gases (free-standing chimneys E04H12/28; connections between fireplace and chimney, chimney fittings, covers for cleaning holes of chimneys F23J; chimney tops F23L); Building elements specially designed therefor, e.g. shaped bricks or sets thereof {(coke-ovens C10B; working measures on existing vertical ducts E04G23/02; apparatus for inserting new lining elements in existing ducts E04G21/16; metallic chimneys, linings, joints and spacers therefor F23J11/00, F23J13/00)} |
| Display label | for carrying away waste gases, e.g. flue gases (free-standing chimneys E04H12/28; connections between fireplace and chimney, chimney fittings, covers for cleaning holes of chimneys F23J; chimney tops F23L); Building elements specially designed therefor, e.g. shaped bricks or sets thereof {(coke-ovens C10B; working measures on existing vertical ducts E04G23/02; apparatus for inserting new lining elements in existing ducts E04G21/16; metallic chimneys, linings, joints and spacers therefor F23J11/00, F23J13/00)} |
| Total patents | 2 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device for discharging an explosive gas
US-9316395-B2 · Apr 19, 2016 · US