Unlocking packer setting method and device

Unplanar non-axisymmetric inserts

Unplugging brine-submerged perforations in a well

Unreinforced shrinkage-compensating concrete floor slab

Unsintered mesh sand control screen

Unsupported, braced arch element and protecting roof with...

Up-flow rake bar screen assembly

Up-hole overshot and safety drilling apparatus

Up-hole pump-in core barrel apparatus

Up-to-set-lock mandrel with no-go key structure and method...

Upflow filtration method and apparatus for stormwater treatment

Upgrading and mining of coal

Upgrading and recovery of heavy crude oils and natural...

Uphole hammer

Uplift restraint for composite expansion joint assembly

Uplock assembly

Upper beam for a telescopic feeder, telescopic feeder and...

Upper chord bearing cold-formed steel joists

Upper edge holder for a swinging tilting casing of a window,...

Upper frame for a vertical venetian blind