Inventor · disambiguated record
Christopher John Underwood
Also filed as: UNDERWOOD CHRISTOPHER J · UNDERWOOD CHRISTOPHER JOHN
5 granted patents·1 pending application·94 citations·filing 1990–2014
79Inventor score
Files withPOLYMEDICA IND INC2ESP TECH LIMITED1GREENE TWEED INC1NEWTEC V P LTD1UNDERWOOD CHRISTOPHER JOHN1
Top patents by PatentIndex Score
6 records- 0178US5132066AMethod of forming a bio-compatible vascular prosthesisNEWTEC V P LTD·Filed 1990·Granted Jul 21, 1992·54 cites·20 claims
- 0252US11104768B2Process for the processing of a perfluoropolymer materialESP TECH LIMITED·Filed 2014·Granted Aug 31, 2021·0 cites·17 claims
- 0351US8281513B2Fishing rodUNDERWOOD CHRISTOPHER JOHN·Filed 2007·Granted Oct 9, 2012·2 cites·10 claims
- 0441US5549860AMethod of forming a vascular prosthesisPOLYMEDICA IND INC·Filed 1995·Granted Aug 27, 1996·21 cites·36 claims
- 0538US2003176516A1Cellular perfluoroelastomeric compositions, sealing members, methods of making the same and cellular materials for medical applicationsGREENE TWEED INC·Filed 2002·Application pending·0 cites
- 0633US5756035AMethod of making an access graft and a vascular prosthesisPOLYMEDICA IND INC·Filed 1996·Granted May 26, 1998·17 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →