The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 30, 2026
Filed:
Apr. 12, 2023
Pyrotek, Inc., Spokane, WA (US);
Sean Cullen, Kent, OH (US);
Lennard Lutes, Copley, OH (US);
Jason Tetkoskie, Cleveland Heights, OH (US);
PYROTEK, INC., Spokane, WA (US);
Abstract
A pump for transferring molten metal from a vessel, the system comprising: (a) a stationary intake tube, the stationary intake tube comprising (i) a cavity having a diameter, and being configured to direct molten metal upward through the inner cavity, (ii) a first end configured to be at least partially submerged in the molten metal in the vessel, and (iii) a second end: (b) a DC motor juxtaposed the second end: (c) a rotatable drive shaft positioned at least partially within the cavity of the stationary intake tube, the rotatable drive shaft having a first end connected to the motor and a second end: (d) a rotor positioned at least partially in the cavity at the first end of the stationary intake tube: (c) an overflow conduit coupled to the stationary intake tube above the rotor, the overflow conduit for directing molten metal out of the stationary intake tube: (f) a battery power source for activating the motor: (g) a control panel for operating the pump; and (g) an integral battery charger.