Inventor
ROBERTS CHRIS R
US39 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS CHRIS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WELCH ALLYN INC
30 patentsUS6390625B1May 21, 2002
Focusing mechanism
WELCH ALLYN INC195 citations99
US9931028B2Apr 3, 2018
Replacement light assembly
WELCH ALLYN INC37 citations98
US7276025B2Oct 2, 2007
Electrical adapter for medical diagnostic instruments using LEDs as illumination sources
WELCH ALLYN INC165 citations98
US7029439B2Apr 18, 2006
Medical diagnostic instrument
WELCH ALLYN INC1,254 citations98
US7354399B2Apr 8, 2008
Otoscopic tip element and related method of use
WELCH ALLYN INC49 citations95
US7784940B2Aug 31, 2010
Eye viewing device comprising video capture optics
WELCH ALLYN INC28 citations92
USD613402SApr 6, 2010
Eye viewing device
WELCH ALLYN INC22 citations92
US7458934B2Dec 2, 2008
Electrical adapter for medical diagnostic instruments using replaceable LEDs as illumination sources
WELCH ALLYN INC23 citations92
USD566270SApr 8, 2008
Otoscopic tip element
WELCH ALLYN INC36 citations92
US7311401B2Dec 25, 2007
Eye viewing device comprising eyepiece and video capture optics
WELCH ALLYN INC13 citations92
USD493887SAug 3, 2004
Eye viewing device
WELCH ALLYN INC20 citations92
US6637882B1Oct 28, 2003
Eye viewing device for retinal viewing through undilated pupil
WELCH ALLYN INC23 citations92
US6065837AMay 23, 2000
Ophthalmoscope comprising defocused light source
WELCH ALLYN INC31 citations92
US9636004B2May 2, 2017
Replacement light assembly
WELCH ALLYN INC10 citations84
US9198566B2Dec 1, 2015
Replacement light assembly
WELCH ALLYN INC10 citations84
USD528236SSep 12, 2006
Lamp housing
WELCH ALLYN INC15 citations84
US6830347B2Dec 14, 2004
Eye viewing device comprising eye cup
WELCH ALLYN INC16 citations84
USD493528SJul 27, 2004
Eye viewing device
WELCH ALLYN INC14 citations84
US10413199B2Sep 17, 2019
Connectors for medical equipment
WELCH ALLYN INC1 citations73
US6939006B2Sep 6, 2005
Eye viewing device for large field viewing
WELCH ALLYN INC8 citations73
US6527390B2Mar 4, 2003
Eye viewing device for large field viewing
WELCH ALLYN INC12 citations73
US12220109B2Feb 11, 2025
Integrated illumination assembly for handheld medical devices
WELCH ALLYN INC0 citations63
US11547291B2Jan 10, 2023
Integrated illumination assembly for handheld medical devices
WELCH ALLYN INC1 citations63
US11857295B2Jan 2, 2024
Connectors for medical equipment
WELCH ALLYN INC0 citations62
US7670287B2Mar 2, 2010
Medical diagnostic instrument
WELCH ALLYN INC5 citations62
US11246482B2Feb 15, 2022
Visual acuity examination
WELCH ALLYN INC1 citations58
US10820812B2Nov 3, 2020
Connectors for medical equipment
WELCH ALLYN INC0 citations52
US9220422B2Dec 29, 2015
Blood pressure sleeve
WELCH ALLYN INC1 citations50
US11406257B2Aug 9, 2022
Vision screening device and methods
WELCH ALLYN INC0 citations46
US11915826B2Feb 27, 2024
Digital image screening and/or diagnosis using artificial intelligence
WELCH ALLYN INC0 citations44
ROCHE COLORADO CORP
4 patentsUS6545165B1Apr 8, 2003
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
ROCHE COLORADO CORP22 citations91
US6818789B2Nov 16, 2004
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
ROCHE COLORADO CORP6 citations72
US6858749B2Feb 22, 2005
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
ROCHE COLORADO CORP0 citations50
US6743927B2Jun 1, 2004
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
ROCHE COLORADO CORP0 citations50