M-pfd - modified personal flotation device

Machine for gripping, securing and handling underwater...

Machine for making contour-core blankets

Machinery arrangement for a marine vessel

Magnetic array bag system apparatus for the emergency...

Magnetic assemblies

Magnetic differential displacement device with distributing...

Magnetic docking apparatus and method for using the same

Magnus rotor

Mainsail furling mast assembly and mast contruction therefor

Maintenance opening arrangement structure for a personal...

Man overboard device

Man overboard rescue system

Man overboard retrieval apparatus

Manned autonomous underwater vessel

Manual gangway for a boat

Manual propulsor for boat

Manually operated watercraft

Manufacture of boats made up of units which can be...

Manufacture of fibre reinforced foam shells