4. Rotary expansible chamber devices
  5. Working member has planetary or planetating movement
  6. Helical working member, e.g., scroll

Chih-Cheng Yang

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Axial sealing mechanism of volute compressor

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent

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Manhole cover mounting structure

Road structure – process – or apparatus – Pavement – Vault cover-closure
Reexamination Certificate

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Mask for improving lithography performance by using...

Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Reexamination Certificate

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Mechanism for locating a fixed volute of scroll compressor

Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent

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Method and system for using a server management program for...

Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration
Reexamination Certificate

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Profile ID: LFUS-PAI-P-395531

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