|SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (date >= '1921-00-00' AND date < '1922-00-00') ORDER BY date ASC, patent, type|
Total of 20 patents found where: Year is 1921
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||1,365,411||January 11, 1921||Guy Clamp
A strong and durable guy strain clamp.
|KEARNEY, Samuel G.
|U||1,371,855||March 15, 1921||Insulator
Self-tying slot top
|BULLER, Henry W.
||Self-tying Slot Top|
|U||1,373,519||April 5, 1921||Lightning Rod Connector
Lightning rod coupling composed of a Y-shaped channel to hold the conductor and provide two connections
||Lightning Rod Coupling|
|U||1,373,576||April 5, 1921||Electric Insulator
Suspension insulator composed of several parts to withstand tension
|THOMAS, Percy H.
|U||1,374,029||April 5, 1921||Tone Foot for Phonographs
A rubber base with glass insert to support phonograph legs
|PRICKETT, William H.
|U||1,374,998||April 19, 1921||Insulator
Multipart porcelain insulator of Faradoid design (spelling for other patents: GILCHREST, George Irving)
|FORTESCUE, Charles Le G.
GILCHREST, George I.
|Multipart||Westinghouse Electric & Mfg. Co.|
|U||1,375,974||April 26, 1921||Insulator Connector
Links for Hewlett suspension disks
|PIERCE, Henry T.
MCPHEE, Angus D.
|Suspension||General Electric Co.|
|U||1,376,307||April 26, 1921||Insulator
|AMOS, Frank M.
||Knob||Wheeling Tile Co.|
|U||1,378,667||May 17, 1921||Cable Clamp
Cable clamp to hold the conductor under the insulator.
|ECKERT, Grandon E.
||Clamp||The R. Thomas & Sons Co.|
|U||1,381,594||June 14, 1921||Strain-Insulator Sign
Combination strain insulator and sign to indicate voltage, etc. Car-Stop They were made by the American Porcelain Co.
|SAUEREISEN, Christian F.
|U||1,381,695||June 14, 1921||Porcelain Tube Heading Machine
Machine for making wall tubes
|BEATTY, Thomas W.
|U||1,381,838||June 14, 1921||Insulator Support
Steel pins for crossarm made from one metal rod integral to the wooden crossarm and acts a braces for the crossarm.
|JACKSON, Berry B.
|U||1,382,483||June 21, 1921||Electric Line Wire Insulator
Self-tying slot top with circular slot
|DECKER, John G.
||Self-tying Slot Top|
|U||1,384,214||July 12, 1921||Insulator
Self-tying by means of an upper and lower cylindrical block fitted into a hole and secured with a screw plug.
|U||1,385,638||July 26, 1921||Supporting Bracket
Steel pin with lag screw and spring for threads
|MILLER, Charles E.
|U||1,388,217||August 23, 1921||Insulator
Metal cap to secure conductor to the top of the insulator
|THOMAS, Cyril H.
|U||1,390,118||September 6, 1921||Insulator
|FRIDRICHSEN, Peter Christian Carl
|U||1,393,330||October 11, 1921||Electrical Insulator
Links for Hewlett suspension disks (see 1,110,934)
|WELCH, Walter J.
TRACY, Atlee H.
|Suspension||H. M. Byllesby & Co.|
|U||1,398,937||November 29, 1921||Suspension Insulator
A suspension insulator with pressed on metal cap and special pin that does not require cement.
|D||59,947||December 13, 1921||Design for an Insulator
|AUSTIN, Arthur O.
||Strain||The Ohio Brass Co.|
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