Inventor
UNDERWOOD JOHN R
US26 patents
⚠️ This page may combine multiple inventors who share the name “UNDERWOOD JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNDERWOOD JOHN R
12 patentsUS8845666B2Sep 30, 2014
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R10 citations92
US9585788B2Mar 7, 2017
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R6 citations83
US9517161B2Dec 13, 2016
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R8 citations83
US8888802B2Nov 18, 2014
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R9 citations83
US8747426B2Jun 10, 2014
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R7 citations83
US8545529B2Oct 1, 2013
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R7 citations83
US9522083B2Dec 20, 2016
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R2 citations62
US9101441B2Aug 11, 2015
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R2 citations62
US9095409B2Aug 4, 2015
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R3 citations62
US9095410B2Aug 4, 2015
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R1 citations62
US9005228B2Apr 14, 2015
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R2 citations62
US8844566B2Sep 30, 2014
Vitrectomy probe with adjustable cutter port size
UNDERWOOD JOHN R1 citations62
ALCON INC
9 patentsUS7552508B2Jun 30, 2009
Caster attachment system
ALCON INC8 citations84
US11583441B2Feb 21, 2023
Vitrectomy probe
ALCON INC2 citations72
US11844725B2Dec 19, 2023
Visually traceable vitrectomy probe cap
ALCON INC2 citations71
US11395763B2Jul 26, 2022
Vitrectomy probe interfacing component
ALCON INC2 citations70
US12059374B2Aug 13, 2024
Vitrectomy probe
ALCON INC0 citations61
USD1099338SOct 21, 2025
Vitrectomy probe
ALCON INC0 citations60
US11883325B2Jan 30, 2024
Reduced vibration vitrectomy probe
ALCON INC1 citations60
US11998483B2Jun 4, 2024
Adjustable stiffener for surgical instruments
ALCON INC0 citations52
US7758585B2Jul 20, 2010
Pumping chamber for a liquefaction handpiece
ALCON INC1 citations52