UNT Libraries Government Documents Department - 6 Matching Results

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Ventilator.

Description: Patent for a ventilating cowl for buildings for fire prevention by causing smoke and sparks to pass outside of a building or deflate to the surface below. The cowl is cone shaped with a deflecting surface and has several rings through which smoke and sparks can pass through to the outside.
Date: November 30, 1915
Creator: Ashorn, Inshrish
Item Type: Refine your search to only Patent

Condenser for Baling-Press

Description: Patent for "a device capable of being applied to any horizontal baling-press for the purpose of compressing the charge of hay or other material before it enters the baling-chamber" (lines 10-14).
Date: November 12, 1889
Creator: Bailey, James W.
Item Type: Refine your search to only Patent

Snowplow.

Description: Patent for a new snowplow design for use at the front of a motor vehicle, steam car, or electric car. The snowplow is triangular in shape, and has sides that can be adjusted vertically, to increase the height of the plow.
Date: November 15, 1921
Creator: Jezova, Mary
Item Type: Refine your search to only Patent

Attachment For Plows

Description: Patent for an attachment for plows. This invention "relates to new and useful improvements in attachments for plows, and my object is to provide means whereby the pitch of the moldboard or shovel may be regulated as desired" (lines 12-16). Illustration included.
Date: November 13, 1906
Creator: Wilke, Ernest
Item Type: Refine your search to only Patent
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