LandOfFree - US Patents - Listing for Hydraulic and earth engineering

Hydraulic and earth engineering – Earth treatment or control – Chemical

Backfill paste production facility and method and apparatus for

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

Backfilling device and apparatus therefor

Hydraulic and earth engineering – Earth treatment or control – Chemical

Backfilling in mines

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – With protection or indication of pipe or trench

Backfilling material and method of preparation thereof

Hydraulic and earth engineering – Earth treatment or control – Chemical

Backfilling underground voids

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Backpack

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Backpack for underwater breathing gas tanks

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Backpack systems

Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation

Backshore sill beach and dune erosion control system

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor

Backspan stress joint

Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation

Baffle apparatus

Hydraulic and earth engineering – Fluid control – treatment – or containment – Floatable matter containment

Bagging icebergs

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Balanced buoyancy control diving gear

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Balancing jacket for divers

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Balancing jacket with a plurality of connected discharge...

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

Ball and socket swivel with conduit therethrough and torque tran

Hydraulic and earth engineering – Marine structure or fabrication thereof

Ballast system for tension leg platform

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Ballast tank for buoyancy compensation

Hydraulic and earth engineering – Diving – Suit or accessory therefor

Ballast weight having reduced removal resistance and...