Inventor · disambiguated record
Douglas W. Northcut
Also filed as: NORTHCUT DOUGLAS W
3 granted patents·72 citations·filing 1998–2002
73Inventor score
Top patents by PatentIndex Score
3 records- 0180US6423223B1Multi-element, reverse osmosis, liquid filter system with flushing and filtering circuitsFiled 2001·Granted Jul 23, 2002·36 cites·12 claims
- 0276US6521124B2Reverse osmosis liquid filter system with ultraviolet filtrationFiled 2002·Granted Feb 18, 2003·27 cites·17 claims
- 0332US6027647AMulti-element liquid filter system with flushing and filtering circuitsFiled 1998·Granted Feb 22, 2000·9 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Douglas W. Northcut files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →