LandOfFree - US Patents - Listing for Hydraulic and earth engineering,Subterranean or submarine pipe or cable laying, retrieving,...

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

Pipe laying vessel and methods of operation thereof

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

Pipe placement and support system

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

Pipe positioner

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

Pipe propelling apparatus

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Plural pipe sections

Pipe puller

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Plural pipe sections

Pipe puller

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

Pipe pulling and pushing apparatus and method

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Advancing subterranean length of pipe or cable

Pipe pulling method and device

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

Pipe rehabilitation pulling mandrel

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

Pipe rehabilitation system and method for introducing a...

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

Pipe rehabilitation test mandrel

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

Pipe reinforcement system and method

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

Pipe replacement apparatus

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

Pipe replacement apparatus

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

Pipe replacement method and rotary impact mechanism for pipe...

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

Pipe sealing and anti-corrosion system

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

Pipe section for installation into a subsea pipeline

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

Pipe splitting and spreading system

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

Pipe support frame