LandOfFree - US Patents - Listing for Hydraulic and earth engineering

Hydraulic and earth engineering – Drainage or irrigation – Having regulation of flow through channel

Orifice shield for drainage pipe

Hydraulic and earth engineering – Marine vessel portage – launching – or removing – Lifting

Original method of drydocking ships

Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base

Oscillatable marine installation and method for its construction

Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base

Oscillating installation for installing in a body of water and m

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...

Oscillating jet head underwater trenching apparatus

Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base

Oscillating marine platform connected via a shear device to a ri

Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base

Oscillating marine platform with a rigid base

Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base

Oscillating platform on flexible piles for work at sea

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – By means advancing along terrain and guiding pipe or cable...

Oscillating plow apparatus

Hydraulic and earth engineering – Marine structure or fabrication thereof – With pivotal connection between work deck and base

Oscillating structure for exploration at sea

Hydraulic and earth engineering – Marine structure or fabrication thereof – Structure protection

Outer device for universal inspection of risers

Hydraulic and earth engineering – Drainage or irrigation – End cap

Outwardly dished end plate for stormwater chamber

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Repair – replacement – or improvement

Overdrilling apparatus

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Overflow spillway for dams, weirs and similar structures

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Overflow spillway for dams, weirs and similar structures

Hydraulic and earth engineering – Marine structure or fabrication thereof – With work deck vertically adjustable relative to floor

Overloading device for a jack-up oil platform and platform inclu

Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization

Oxidative cleaning process of contaminated slurries or slurried

Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization

Oxidative particle mixtures for groundwater treatment