4. Transportation
  5. Rail vehicle
  6. Element or attachment

Charles T. Bomgardner

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Cushioning unit shaft seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Fabricated backstop/buffstop

Railway draft appliances – Cushioned – Single center sill
Patent

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Internal neutral positioning spring for railcar shock absorber

Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Reexamination Certificate

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Rail car cushion slider valve

Railway draft appliances – Cushioned – Springs
Patent

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Railcar hydraulic shock absorber backstop

Transportation – Rail vehicle – Element or attachment
Patent

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Profile ID: LFUS-PAI-P-524405

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