3 patents
Utility
Heat treatment of helical springs or similarly shaped articles by electric resistance heating
22 Jun 21
Apparatus is provided for metallurgical heat treatment of coil springs, or similarly shaped workpieces and articles of manufacture, by electric resistance heating along the entire length of the workpiece so that the ends of the workpiece can be heat treated to the same degree and quality as the section of the workpiece between its two ends.
Jerry G. Warner
Filed: 5 Nov 17
Utility
Toroidal hand-held autotransformer assembly
9 Nov 20
A hand-held, water-cooled toroidal autotransformer assembly is formed from longitudinally-oriented electrically conductive radially spaced apart concentric pipes that are physically and electrically configured in series and arranged around a longitudinally-oriented toroidal magnetic core to form the windings of the autotransformer with the spaces between the longitudinally-oriented concentric pipes forming a flow path for a cooling fluid within the autotransformer.
Roberto Bernardo Benedicto Ovando, Thomas Cahill, Robert F. Adamczyk, John Justin Mortimer
Filed: 11 Jun 18
Utility
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11 Nov 19
Discrete workpieces move through a longitudinally-oriented through-gap in an open-box rectangular ferromagnetic material.
John Justin Mortimer
Filed: 11 Dec 16
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