4. Furnaces
  5. Utilizing powdered fuel
  6. Having rotary flow means

James Howden & Company Ltd.

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Coal burner

Furnaces – Utilizing powdered fuel – Having rotary flow means
Patent

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Pipeline safety joint

Pipe joints or couplings – Safety release – With frangible or deformable element
Patent

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Wind turbines

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Responsive to relative working fluid velocity
Patent

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