128595 ⎘
underground or underwater structures Independent ; Retaining walls; Manhole shafts; Other inspection or access chambers; Accessories therefor; Covers for manholes or the like; Frames for covers Tools for positioning or removing cover frames
LIFTING DEVICE FOR COVERS
#2LOCKING APPARATUS FOR MANHOLE IRON COVER
#3Method for adjusting or replacing a manhole floating type hatch
#4Method and Apparatus for Installing a Manhole Cover
#5Automated tool access to a manhole through automated manhole cover removal using self-driving vehicle
#6MODULAR ACCESS COVER
#7VERTICAL MANHOLE APPARATUS AND METHOD FOR PROVIDING ACCESS TO LEACHATE COLLECTION PIPES IN A LANDFILL
#8Cover lift and move apparatus
#9Manhole adjustment ring removal assembly and method
#10Vertical manhole apparatus and method for providing access to leachate collection pipes in a landfill
#11Sewer Grate Removal Apparatus and Methods of Using the Same
#12COVER ASSEMBLY
#13Cover device
#14Vertical manhole apparatus and method for providing access to leachate collection pipes in a landfill
#15Manhole cover lifting tool
#16Cover assembly
#17Alignment tool for a manway cover
#18Closure systems, debris caps, holder devices, and related technologies
#19Cover of traps or manholes equipped with a mechanism for lifting and horizontally translating the cover
#20Adjustable manhole cover
#21SAFE MAINTENANCE INDUSTRIAL COVERS
#22Cover alignment tool
#23Alignment tool for a manway cover
#24Hydraulic Lifting Apparatus
#25Manhole remover
#26Method and apparatus for raising manhole castings
#27Supplemental cover apparatus and method for access openings
#28Dual lifting manhole cover
#29Manhole leveler
#30MANHOLE INSTALLATION AND REPAIR ASSEMBLY
#31ACCESS COVER
#32Manhole cover removal apparatus and method of use
#33Method and apparatus for adjusting the height and inclination of roadway and greenway appurtenances
#34Manhole lift insert with frangible positioner
#35Claw device
#36Anchored hole cover
#37Manhole cover assembly
#38Manhole removal device for use with a manhole cutting and removing tool