4. Valves and valve actuation
  5. With means to increase head and seat contact pressure
  6. Fluid pressure

Robert D. MacDonald

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Annular heat exchanger fins

Heat exchange – Radiator core type – Side-by-side tubes traversing fin means
Patent

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Door closing apparatus

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Checks and closers – Liquid
Patent

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Faucet

Fluid handling – Systems – Multiple inlet with single outlet
Patent

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Handle valve assembly

Fluid handling – With indicator – register – recorder – alarm or inspection means
Patent

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Hinge for latchless door

Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent

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Profile ID: LFUS-PAI-P-228554

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