UNT Libraries Government Documents Department - 6 Matching Results

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Cigar-Box Clip.

Patent for an inexpensive improvement to cigar box clips or clamps, that will make it easier for the box to be left open at a tilted angle, for the purpose of displaying the cigars or other objects inside.

Date: November 21, 1911

Creator: Holder, Andrew Thomas

Compressing-Machine.

Patent for a compressing machine for pressing plastic, cotton, and cotton seeds.

Date: May 2, 1911

Creator: Baade, John

Harrow.

Patent for a harrow that cuts weeds at the root and pulls them out without breaking up the sod.

Date: February 14, 1911

Creator: Halvé, Bruno

Lamp Attachment.

Patent for a lamp attachment that will decrease the likelihood of a lamp explosion and allow liquids to be heated over the lamp. The attachment has a top plate which prevents insects or other debris from igniting and falling into the lamp chimney, therefore decreasing the potential for a lamp explosion. The attachment also has a perforated cylinder that rests on top of the lamp chimney and can support a vessel for heating liquids.

Date: October 31, 1911

Creator: Lehmann, Hugo

Liquid-Fuel Burner.

Patent for a liquid fuel burner that mixes air with the fuel.

Date: June 13, 1911

Creator: Hannah, Robert L. & Hannah, Homer R.

Water-Purifier for Ice-Machines.

Patent for a water purifier for ice machines that removes oil residue from the condensing process.

Date: January 31, 1911

Creator: Schrade, John Jacob