Inventor
HOPENFELD BRUCE
US26 patents
⚠️ This page may combine multiple inventors who share the name “HOPENFELD BRUCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANGEL MEDICAL SYSTEMS INC
10 patentsUS7991460B2Aug 2, 2011
Methods and apparatus for detecting cardiac events based on heart rate sensitive parameters
ANGEL MEDICAL SYSTEMS INC108 citations98
US9375151B1Jun 28, 2016
Acute ischemia detection based on parameter value range estimation
ANGEL MEDICAL SYSTEMS INC14 citations92
US9192309B1Nov 24, 2015
Acute ischemia detection based on smoothed temporal thresholding
ANGEL MEDICAL SYSTEMS INC13 citations92
US8954139B2Feb 10, 2015
Acute ischemia detection based on parameter value range analysis
ANGEL MEDICAL SYSTEMS INC13 citations92
US8682422B2Mar 25, 2014
Acute ischemia detection based on parameter value range analysis
ANGEL MEDICAL SYSTEMS INC13 citations92
US9174057B1Nov 3, 2015
Cardiac event detection based on selective pacing for establishing a paced heart signal parameter baseline
ANGEL MEDICAL SYSTEMS INC10 citations84
US9031644B2May 12, 2015
Threshold adjustment schemes for acute ischemia detection
ANGEL MEDICAL SYSTEMS INC12 citations84
US9414757B2Aug 16, 2016
Posture dependent time series filtering system and methods for the detection of cardiac events
ANGEL MEDICAL SYSTEMS INC2 citations62
US9220428B2Dec 29, 2015
Heart rate correction system and methods for the detection of cardiac events
ANGEL MEDICAL SYSTEMS INC2 citations62
US9415228B1Aug 16, 2016
System for ischemia detection based on adjustable paced beat analysis timing
ANGEL MEDICAL SYSTEMS INC0 citations52
HOPENFELD BRUCE
6 patentsUS8428703B2Apr 23, 2013
Acute ischemia detection based on parameter value range analysis
HOPENFELD BRUCE26 citations92
US8406862B2Mar 26, 2013
Ischemia detection based on combination of parameters associated with different sensors
HOPENFELD BRUCE25 citations92
US9943244B2Apr 17, 2018
Waveform feature value averaging system and methods for the detection of cardiac events
HOPENFELD BRUCE2 citations72
US12408875B2Sep 9, 2025
Adaptive correlation methods for heartbeat detection
HOPENFELD BRUCE0 citations62
US9402557B2Aug 2, 2016
Heart beat detection based on permissible sequence searching
HOPENFELD BRUCE2 citations62
US9042969B2May 26, 2015
Heart rate correction system and methods for the detection of cardiac events
HOPENFELD BRUCE2 citations62
FISCHELL DAVID R
5 patentsUS8903487B1Dec 2, 2014
Pacemaker enabled ischemia detection with selective ischemia tests
FISCHELL DAVID R17 citations92
US8224430B2Jul 17, 2012
Baseline processing for a cardiac event detection system
FISCHELL DAVID R20 citations92
US8676304B2Mar 18, 2014
Ischemia monitoring system for patients having periods of left bundle branch block
FISCHELL DAVID R9 citations84
US8630702B2Jan 14, 2014
System for detection of different types of cardiac events
FISCHELL DAVID R8 citations84
US8275457B1Sep 25, 2012
Cardiac monitoring system for paced patients having paced and non-paced ischemia detection thresholds
FISCHELL DAVID R18 citations84
JOHNSON STEVEN R
3 patentsUS8428704B2Apr 23, 2013
Threshold adjustment schemes for acute ischemia detection
JOHNSON STEVEN R30 citations92
US8396542B2Mar 12, 2013
Parameter value rejection for a cardiac monitor
JOHNSON STEVEN R25 citations92
US8560055B2Oct 15, 2013
System and methods for the selective updating of heart signal parameter time series
JOHNSON STEVEN R1 citations51