4. Earth working
  5. Processes

Jorn Watvedt

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Bag filter device

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate

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Plough reversing mechanism

Earth working – Alternating for right or left hand operation – Interrelated tool shift and ground support manipulation
Patent

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Plough reversing method

Earth working – Processes
Patent

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Reversible plough having a reversing and adjustment mechanism

Earth working – Alternating for right or left hand operation – Axially rotatable implement
Patent

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Profile ID: LFUS-PAI-P-808188

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