37522 ⎘
Cleaning hollow articles by methods or apparatus specially adapted thereto; Cleaning pipes or tubes or systems of pipes or tubes; Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
Drainage structure cleaning tool and method
#302Scrubbing element with welded wire leader
#303Disposable gun barrel cleaning device
#304Drainage structure cleaning tool and method
#305Method for cleaning a culvert
#306Pressure washer
#307Endotracheal tube cleaning apparatus
#308Device for cleaning a smooth-walled tube
#309Cannula cleaning device
#310Apparatus for use in measuring fluid levels
#311Pipe-cleaning device
#312Downhole magnetic retrieval tool
#313METAL BRUSH AND METHOD THEREFOR
#314Downhole ultrasonic well cleaning device
#315Snake plunger
#316Brush
#317Apparatus for use in measuring fluid levels
#318Method and tool for cleaning a watercraft speedometer
#319Removal of solids from tubes of a tube bundle heat exchanger
#320Vent cleaning system
#321Vent cleaning system
#322Culvert cleaning tool and method
#323Dryer duct and register brush
#324Systems and methods for drying and/or cleaning endoscopic devices
#325Methods, devices, and systems for modular and mobile automated coating of tubes and tubular arrays using artificial intelligence
#326Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems
#327Hole cleaning apparatus
#328Reusable foldable drinking straw in storage case
#329Pull-through applicator assembly for a firearm
#330Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems
#331Spatter control guard for a drain cleaning brush
#332Method and apparatus for cleaning a tube
#333Drive shaft coupling
#334Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems
#335Valve guide reamer for engines method and device
#336Pipe cleaning apparatus
#337Pipe clearing cables and apparatus
#338Culvert cleaning apparatus