Inventor · disambiguated record
Roy E. Underwood
Also filed as: UNDERWOOD ROY E
4 granted patents·1 pending application·31 citations·filing 2001–2013
74Inventor score
Files withUNDERWOOD ROY E3
Top patents by PatentIndex Score
5 records- 0177US9332736B2Deodorizing, sterilizing and moisture reduction system for animal waste and litterUNDERWOOD ROY E·Filed 2013·Granted May 10, 2016·7 cites·20 claims
- 0257US6557356B2Air purification device for air conditioning evaporator coilFiled 2001·Granted May 6, 2003·14 cites·2 claims
- 0346USD644095SQuick release clamp assembly for sealing a rigid tube/container junctureUNDERWOOD ROY E·Filed 2009·Granted Aug 30, 2011·8 cites·1 claims
- 0444US2003129255A1Colloidal silver suspension for treating skin problems in tropical and decorative fishFiled 2003·Application pending·0 cites
- 0528USD618784SVent pipe using ultraviolet light for purification of discharge gasesUNDERWOOD ROY E·Filed 2008·Granted Jun 29, 2010·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →