2 Matching Results

Search Results

Results: 1 - 2

Upward-Current Separating Process and Device.

Description: Patent for upward-current separation processes and devices to allow for working with changes in conditions and proportions with ease.
Date: July 3, 1917
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department

Screening Device.

Description: Patent for a screening device that offers "an improved means for imparting motion to and controlling or varying the motion of the screen to affect a separation of the materials undergoing treatment." (lines 10-13).
Date: July 24, 1917
Creator: Cole, David
Partner: UNT Libraries Government Documents Department
Back to Top of Screen