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Cleaning or disinfecting thereof
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CPC
E04F17/123
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Parent Industries
E
FIXED CONSTRUCTIONS
E04
Building
E04F
FINISHING WORK ON BUILDINGS
E04F17/00
Vertical ducts Channels
Current Industry
E04F17/123
Cleaning or disinfecting thereof
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Patents Grants
last 30 patents
Information
Patent Grant
Air treatment systems and methods
Patent number
9,334,118
Issue date
May 10, 2016
Prolitec Inc.
Howard Tanner
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Trash chute locking system
Patent number
4,002,229
Issue date
Jan 11, 1977
Norris J. Washington
E04 - BUILDING
Information
Patent Grant
3775334
Patent number
3,775,334
Issue date
Nov 27, 1973
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
A BLOCKAGE CLEARING SYSTEM FOR A MULTI-STORY BUILDING CHUTE SYSTEM
Publication number
20240200341
Publication date
Jun 20, 2024
FENTIAN NOMINEES PTY LTD
Tian VAN RENSBURG
B08 - CLEANING