128591 ⎘
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 adjustable in height or inclination
RISER AND INGRESS DEVICE ASSEMBLY FOR SEPTIC TANK SYSTEM
#2BURIED CONCEALABLE INTELLIGENT MANHOLE COVER
#3ADJUSTABLE COVER FOR ROADWAY OPENING
#4Height adjustment mechanism for a manhole assembly and manhole assembly comprising the same
#5RISER AND INGRESS DEVICE ASSEMBLY FOR SEPTIC TANK SYSTEM
#6Floating foundation
#7Height adjustment mechanism for a manhole assembly and manhole assembly comprising the same
#8Height-adjustable fixtures for buried tubulars and methods of adjusting the height-adjustable fixtures
#9Detecting and alleviating flooding and blocked storm sewers
#10Height adjustment mechanism for a manhole assembly and manhole assembly comprising the same
#11Adapter frame
#12Floating manhole cover assembly
#13ADJUSTABLE MANHOLE COVER
#14FRAME POSITIONING DEVICE FOR POSITIONING A FRAME OVER AN INLET OF A CATCH BASIN OR MANHOLE AND METHOD FOR POSITIONING THE SAME
#15Cover or trapdoor which is height-adjustable and relevant installation method
#16LEVELING MAN-HOLE COVER SYSTEM AND METHOD OF USE
#17System for sealing a manhole riser ring assembly
#18Floating manhole cover assembly
#19APPARATUS FOR COVERING A PORTION OF A ROAD AND METHOD
#20Temporary manhole cover and method
#21Closure systems, debris caps, holder devices, and related technologies
#22Method for forming a surface around an embedded conduit
#23Methods and apparatus for stabilization of surfaces
#24Adjustable manhole cover
#25MANHOLE AND A METHOD FOR PROVIDING A MANHOLE
#26Manhole with height/inclination-adjustable manhole cover
#27Grade-Matching Utility Cover Systems
#28COVER
#29Equipment housing
#30Manhole marker
#31Manhole riser extension assembly
#32FLOATING MANHOLE FRAME ASSEMBLY
#33Integrated frame and cover system
#34INCLINED MANHOLE COVER RISER ASSEMBLY
#35ADJUSTABLE GRATE FRAMES
#36Hinge assembly and corresponding road device
#37HIGHWAY DEVICE, IN PARTICULAR MANHOLE, WITH FRAME AND PLUG WITH BACKWARD MOVEMENT RELATIVE TO THE FRAME TO ENSURE THE CLOSED POSITION OF THE PLUG IN THE FRAME
#38Multi-purpose adjustable quick expandable installment
#39CAP AND RIM ASSEMBLY FOR SEWER
#40Method and apparatus for raising manhole castings
#41Integrated frame and cover system
#42B-W manhole cover-cover
#43Spill containment apparatus for storage tanks
#44Encapsulated manhole cover
#45Device for locking and unlocking a plug on a frame using a wrench
#46Apparatus and method for raising the elevation of a catch basin
#47MANHOLE GRADE RING
#48Grease interceptor latching and riser system and method of use thereof
#49Adjustable Cover Assembly
#50Setting utility access covers
#51Conduit assembly and method of use thereof
#52Frame for a recess in the ground and manhole assembly
#53Manhole cover riser assembly
#54Temporary ramp
#55Method and apparatus for adjusting the height and inclination of roadway and greenway appurtenances
#56Height adjustable manhole cover
#57Floating precast manhole and catch basin cover systems