56 Matching Results

Search Results

Results: 1 - 24 next

Wrench

Description: Patent for a wrench. This invention is designed to prevent movement. Illustration included.
Date: June 13, 1911
Creator: Miller, William J. & Cass, Thomas N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Plug

Description: Patent for a spark plug that has a cooling method for keeping the porcelain section from cracking and a better way of keeping it clean.
Date: June 27, 1911
Creator: Harpst, Fred E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a hand- or wind mill-operated water pump that is cheap and easy to manufacture.
Date: June 6, 1911
Creator: Eppler, Edwin R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark-Gap Muffler.

Description: Patent for a spark gap muffler that muffles the sound of a spark jumping a gap between wires in wireless telephone and telegraph systems.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Equalizer for Pump Rods

Description: Patent for an equalizer for pump rods. This invention is designed to "assist in elevating the column of water in a pump, is designed to sustain the pump rod in its fixed position" (line 11-14). Illustration included.
Date: June 13, 1911
Creator: Johnson, Robert H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wireless-Telephone System.

Description: Patent for a wireless telephone system that does not require the user to flip a switch in between receiving and sending a message.
Date: June 27, 1911
Creator: Johnson, Maurice Bernays
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Metal Storage-Tank

Description: Patent for a multi-part/multi-section metal storage tank (also known as a knock-down tank). Parts are secured by a clamp.
Date: June 13, 1911
Creator: Harry, Jefferson D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen