4. Metal deforming
  5. By deflecting successively-presented portions of work during...
  6. To form helical coil or tube

Chen-Nan Liao

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Cutting tool assembly in coil spring winding machines

Cutting – Means to drive or to guide tool – With simple rectilinear reciprocating motion only
Reexamination Certificate

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Dynamic delay curve generator for ultrasonic imaging system

Boots – shoes – and leggings
Reexamination Certificate

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Frequency-variation type demodulator and demodulating method

Demodulators – Frequency modulation demodulator – Input signal converted to and processed in pulse form
Reexamination Certificate

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Versatile spring making machine

Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Patent

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Profile ID: LFUS-PAI-P-1778835

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