Patents and Published Patent Applications


Vaughan Co. Patents and Published Patent Applications

Last updated: September 20, 2018

Pump References:
US Patent #7,125,221 “Centrifugal Pump Improvements”
US Patent #7,841,550 "Cutter Nut and Cutter Bar Assembly"
US Patent #8,105,017 "Centrifugal Chopper Pump with Impeller Assembly"
US Patent #8,905,341 “Screw Centrifugal Pump with Cutting Inserts”
US Patent #8,985,490 “Chopper Pump with Cutting Inserts”
Canadian Patent #2,630,321 “Cutter Nut and Cutter Bar Assembly”
United Kingdom Patent #2,371,834 “Centrifugal Pump Improvements”
US Patent Application #15/457,405 “Chopper Pump with Double-Notch Cutter Bar”
Canadian Patent Application #2,961,219 “Chopper Pump with Double-Notch Cutter Bar”

Rotamix and Related Tank Mixing References:
US Patent #7,025,492 “Storage/Treatment Tank Mixing System”
US Patent #7,628,183 “Surface Foam Diffuser System”
US Patent #8,992,072 “Nozzle System for Tank Floor”
US Patent #9,360,014 “Chopper Pump with Multiple Mixing Nozzles for a Sewage Wet Well”
US Patent #9,486,819 “System Having Foam Busting Nozzle and Sub-Surface Mixing Nozzle”
Canadian Patent #2,729,146 “System Having Foam Busting Nozzle and Sub-Surface Mixing Nozzle”
US Patent Application #15/161,406 “Chopper Pump with Single Mixing Nozzle for a Sewage Wet Well”
Canadian Patent Application #2,820,938 “Chopper Pump with Single Mixing Nozzle for a Sewage Wet Well”

Turbo Mixer References:
US Patent #8,118,244 “Internal Cutter on Submersed Mixer”
US Patent #8,348,188 “Internal Cutter on Submersed Mixer”
Canadian Patent Application #2,733,720 “Internal Cutter on Submersed Mixer”