4. Pipe joints or couplings
  5. With casing, lining or protector
  6. Lined

S. W. Hart & Co. Pty. Ltd.

Corporate Assignee

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Corporate Assignee

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Method of attaching a solar collector plate to a tube water way

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Roof assembly

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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Socket connection for an enamelled vessel

Pipe joints or couplings – With casing – lining or protector – Lined
Patent

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Solar booster water heater

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

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Solar water heaters

Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent

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