Patents and Published Patent Applications

Vaughan Co. Patents and Published Patent Applications

Last updated: June 3, 2021

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 Assy"
US Patent #8,905,341   “Screw Centrifugal Pump with Cutting Inserts”
US Patent #8,985,490   “Chopper Pump with Cutting Inserts”
US Patent #10,473,103   “Chopper Pump with Double-Edged Cutter Bar”
US Patent #11,028,850   “Chopper Pump with Double-Edged Cutter Bar”
Canadian Patent #2,630,321   “Cutter Nut and Cutter Bar Assembly”
United Kingdom Patent #2,371,834   “Centrifugal Pump Improvements”
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”
US Patent #10,280,926   “Chopper Pump with Single Mixing Nozzle for a Sewage Wet Well”
Canadian Patent #2,729,146   “System Having Foam Busting Nozzle and Sub-Surface Mixing Nozzle”
Canadian Patent #2,820,938   “Chopper Pump with Mixing Nozzles (Single and Multiple) 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”