Inventor
CHEW BRADFORD B
US20 patents
⚠️ This page may combine multiple inventors who share the name “CHEW BRADFORD B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NELLCOR PURITAN BENNETT LLC
6 patentsUS7400919B2Jul 15, 2008
Oximeter ambient light cancellation
NELLCOR PURITAN BENNETT LLC75 citations98
US7869849B2Jan 11, 2011
Opaque, electrically nonconductive region on a medical sensor
NELLCOR PURITAN BENNETT LLC66 citations97
US7212847B2May 1, 2007
Delta-sigma modulator for outputting analog representation of physiological signal
NELLCOR PURITAN BENNETT LLC16 citations84
US7658652B2Feb 9, 2010
Device and method for reducing crosstalk
NELLCOR PURITAN BENNETT LLC4 citations61
US7476131B2Jan 13, 2009
Device for reducing crosstalk
NELLCOR PURITAN BENNETT LLC2 citations61
US7794266B2Sep 14, 2010
Device and method for reducing crosstalk
NELLCOR PURITAN BENNETT LLC0 citations51
NELLCOR PURITAN BENNETT INC
6 patentsUS6023541AFeb 8, 2000
Active optical oximeter probe adapter
NELLCOR PURITAN BENNETT INC377 citations98
US7355539B2Apr 8, 2008
Multi-bit ADC with sigma-delta modulation
NELLCOR PURITAN BENNETT INC31 citations92
US7190985B2Mar 13, 2007
Oximeter ambient light cancellation
NELLCOR PURITAN BENNETT INC12 citations92
US7120479B2Oct 10, 2006
Switch-mode oximeter LED drive with a single inductor
NELLCOR PURITAN BENNETT INC19 citations92
US7373192B2May 13, 2008
Oximeter red and IR zero calibration control
NELLCOR PURITAN BENNETT INC17 citations84
US7120480B2Oct 10, 2006
LED forward voltage estimation in pulse oximeter
NELLCOR PURITAN BENNETT INC15 citations84