LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Fluid control, treatment, or containment,Flow control

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

Barrier, in particular for damming a tidal waterway during storm

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

Beaver control device for a culvert pipe

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

Beaver control screen for culvert pipe

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

Beaver control siphon apparatus

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

Beaver controlling culvert attachment

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

Bending weir

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

Bio-passage for disrupting laminar flow

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

Box culvert

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

Box culvert without rib stiffeners

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

Building construction

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

Bulkhead for and method for dry isolation of dam gates

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

Canadian flexible dams

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

Canal covering system and method of installing same

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

Chemical safety conduit or trench

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

Closed modular ditch liners

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

Collapsable dam

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

Collapsible and re-usable flood barrier

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

Collapsible dam and apparatus for raising and lowering the dam

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

Collapsible rubber dam