4. Ships
  5. Implements
  6. Hull cleaning

Andrew F. Conn

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Cavitating liquid jet assisted drill bit and method for deep-hol

Boring or penetrating the earth – Processes – Boring with specific fluid
Patent

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Cavitating liquid jet assisted drill bit and method for deep-hol

Boring or penetrating the earth – Bit or bit element – With fluid conduit lining or element
Patent

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Erosive-jet diver tool

Ships – Implements – Hull cleaning
Patent

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Fluid jet apparatus and method for cleaning tubular components

Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...
Patent

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Protective headgear for whitewater use

Apparel – Guard or protector – For wearer's head
Reexamination Certificate

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Profile ID: LFUS-PAI-P-6612

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