4. Pipe joints or couplings
  5. With assembly means or feature
  6. Particular tool-engaging means or with tool

Kwok-Ping Wong

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Grease injection control system

Wells – Above ground apparatus – With seal for reciprocating member
Patent

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Line clamp

Brakes – Strand
Patent

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Manual blowout preventer with invertible rams

Valves and valve actuation – Blow-out preventers – Radial reciprocating ram
Patent

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Union for pipe or tree with metal and resilient seals

Pipe joints or couplings – With assembly means or feature – Particular tool-engaging means or with tool
Patent

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Well servicing system

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent

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Profile ID: LFUS-PAI-P-75786

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