Vaughan Co. Patents and Published Patent Applications

Last updated: February 26, 2025

Pump References:
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”
US Patent #10,473,103		“Chopper Pump with Double-Edged Cutting Bars”
US Patent #11,028,850		“Chopper Pump with Double-Edged Cutting Bars”
Canadian Patent #2,630,321		“Cutter Nut and Cutter Bar Assembly”
Canadian Patent #2,961,219		“Chopper Pump with Double-Notch Cutting Bars"

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 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 Nozzles 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 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 #2,733,720		“Internal Cutter on Submersed Mixer”

Vaughan Registered Trademarks:
Reg. #1593834		Scumbuster
Reg. #1634659		Vaughan
Reg. #3639998		Foambuster
Reg. #7208277		CHOP SMART
Reg. #4594405
Reg. #4594400
Reg. #4594402
Reg. #4594404
Reg. #7208278
UK00902556504		ROTAMIX