Assignee
DURASYSTEMS BARRIERS INC
CA·3 granted patents·11 citations·filing 2017–2020
Top patents by PatentIndex Score
3 records- 0194US11333390B2Fire-rated ventilation duct and improvements thereinDURASYSTEMS BARRIERS INC·Filed 2020·Granted May 17, 2022·4 cites·26 claims
- 0289USRE49087EFire-rated modular duct assembly suitable for exhausting flammable or hazardous gases, vapours and other materialsDURASYSTEMS BARRIERS INC·Filed 2019·Granted May 31, 2022·4 cites·14 claims
- 0383US11441810B2Pre-fabricated modular fire-rated conduit assemblyDURASYSTEMS BARRIERS INC·Filed 2017·Granted Sep 13, 2022·3 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →