4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Spanner

John W. Rocheleau

Inventor

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Flange tightening tool

Tools – Wrench – screwdriver – or driver therefor – Spanner
Patent

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Hot water heating system and connector for use therewith

Liquid heaters and vaporizers – Water tube – Headers and connections
Reexamination Certificate

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Hydronic heating system and kit

Liquid heaters and vaporizers – Water tube – Having forced circulation system
Reexamination Certificate

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Pipe flange and piping system

Pipe joints or couplings – Packed – Flanged pipe
Reexamination Certificate

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Pipe, piping system, radiant heating system, and kit

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1619322

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