Inventor · disambiguated record
Winslow K. Duff
Also filed as: DUFF WINSLOW K · DUFF WINSLOW KEVIN
37 granted patents·3 pending applications·2,234 citations·filing 1990–2019
98Inventor score
Files withRIC INVESTMENTS LLC14KONINKLIJKE PHILIPS NV3MATTHEWS GREG3RESPIRONICS INC3WESTINGHOUSE ELECTRIC CORP3
Top patents by PatentIndex Score
40 records- 0198US6851425B2Exhaust port assembly for a pressure support systemRESPIRONICS INC·Filed 2002·Granted Feb 8, 2005·493 cites·11 claims
- 0295US7938114B2Auto-titration bi-level pressure support system and method of using sameRIC INVESTMENTS LLC·Filed 2005·Granted May 10, 2011·110 cites·11 claims
- 0394US7225809B1Method and apparatus for monitoring and controlling a medical deviceRIC INVESTMENTS LLC·Filed 2000·Granted Jun 5, 2007·250 cites·2 claims
- 0493US7168429B2Auto-titration pressure support system and method of using sameRIC INVESTMENTS LLC·Filed 2002·Granted Jan 30, 2007·216 cites·18 claims
- 0591US5329956APneumatic operated valve stroke timingCOMBUSTION ENG·Filed 1993·Granted Jul 19, 1994·89 cites·12 claims
- 0690US7568482B2Exhaust port assembly for a pressure support systemRIC INVESTMENTS LLC·Filed 2005·Granted Aug 4, 2009·52 cites·19 claims
- 0790US7011091B2Average volume ventilationRIC INVESTMENTS LLC·Filed 2002·Granted Mar 14, 2006·167 cites·22 claims
- 0889US8136521B2Auto-titration bi-level pressure support system and method of using sameMATTHEWS GREG·Filed 2007·Granted Mar 20, 2012·55 cites·12 claims
- 0989US7717110B2Method and apparatus for treating Cheyne-Stokes respirationRIC INVESTMENTS LLC·Filed 2005·Granted May 18, 2010·51 cites·16 claims
- 1086US6644311B1Monitoring fluid flow in a pressure support systemRESPIRONICS INC·Filed 2001·Granted Nov 11, 2003·120 cites·26 claims
- 1185US7044129B1Pressure support system and methodRIC INVESTMENTS LLC·Filed 2004·Granted May 16, 2006·100 cites·31 claims
- 1283US8381724B2Method and apparatus for monitoring and controlling a medical deviceRIC INVESTMENTS LLC·Filed 2007·Granted Feb 26, 2013·33 cites·13 claims
- 1383US8061355B2Exhaust port assembly for a pressure support systemJAFFRE MARCEL DOUGLAS·Filed 2009·Granted Nov 22, 2011·30 cites·16 claims
- 1482US8220456B2Method and apparatus for treating cheyne-stokes respirationKANE MICHAEL THOMAS·Filed 2010·Granted Jul 17, 2012·15 cites·16 claims
- 1581US7588031B2Measurement of a fluid parameter in a pressure support systemRIC INVESTMENTS LLC·Filed 2005·Granted Sep 15, 2009·21 cites·11 claims
- 1680US6968842B1Measurement of a fluid parameter in a pressure support systemRIC INVESTMENTS INC·Filed 2003·Granted Nov 29, 2005·71 cites·26 claims
- 1778US10729864B2Automatic rise time adjustmentKONINKLIJKE PHILIPS NV·Filed 2018·Granted Aug 4, 2020·2 cites·13 claims
- 1876US7574368B2System and method for upgrading a pressure generating systemRIC INVESTMENTS LLC·Filed 2001·Granted Aug 11, 2009·30 cites·44 claims
- 1974US7827988B2Auto-titration pressure support system and method of using sameRIC INVESTMENTS LLC·Filed 2004·Granted Nov 9, 2010·54 cites·13 claims
- 2073US8695595B2Method and apparatus for treating Cheyne-Stokes respirationKANE MICHAEL THOMAS·Filed 2012·Granted Apr 15, 2014·6 cites·17 claims
- 2172US8701662B2Humidifier with back-flow prevention valvePUJOL J RAYMOND·Filed 2006·Granted Apr 22, 2014·14 cites·17 claims
- 2272US6269811B1Pressure support system with a primary and a secondary gas flow and a method of using sameRESPIRONICS INC·Filed 1999·Granted Aug 7, 2001·151 cites·24 claims
- 2370US8997740B2Humidifier with back-flow prevention valvePUJOL J RAYMOND·Filed 2007·Granted Apr 7, 2015·9 cites·18 claims
- 2470US8567398B2Pressure support system and methodTRUSCHEL WILLIAM A·Filed 2006·Granted Oct 29, 2013·8 cites·18 claims
- 2568US11147938B2Volume control in a medical ventilatorKONINKLIJKE PHILIPS NV·Filed 2019·Granted Oct 19, 2021·1 cites·20 claims
- 2668US9629970B2Auto-titration bi-level pressure support system and method of using sameMATTHEWS GREG·Filed 2007·Granted Apr 25, 2017·6 cites·14 claims
- 2766US9314579B2Porting block for a medical ventilatorMCDANIEL CHRISTOPHER W·Filed 2009·Granted Apr 19, 2016·10 cites·15 claims
- 2863US7246619B2Snore detecting method and apparatusRIC INVESTMENTS LLC·Filed 2002·Granted Jul 24, 2007·29 cites·24 claims
- 2962US8714152B2Ventilator with limp modeTRUSCHEL WILLIAM A·Filed 2009·Granted May 6, 2014·4 cites·14 claims
- 3058US10195391B2Volume control in a medical ventilatorDUFF WINSLOW K·Filed 2009·Granted Feb 5, 2019·5 cites·18 claims
- 3152US5123283ADiametral change sensor for a cylindrical memberWESTINGHOUSE ELECTRIC CORP·Filed 1990·Granted Jun 23, 1992·17 cites·47 claims
- 3252US2014182589A1Method and apparatus for treating cheyne-stokes respirationRIC INVESTMENTS LLC·Filed 2014·Application pending·0 cites
- 3350US9713692B2Humidifier with back-flow prevention valveRIC INVESTMENTS LLC·Filed 2015·Granted Jul 25, 2017·0 cites·11 claims
- 3449US9913954B2Automatic rise time adjustmentDUFF WINSLOW KEVIN·Filed 2009·Granted Mar 13, 2018·0 cites·13 claims
- 3548US2012152252A1Auto-titration bi-level pressure support system and method of using sameMATTHEWS GREG·Filed 2012·Application pending·0 cites
- 3640US11202875B2Cough assistance and measurement system and methodKONINKLIJKE PHILIPS NV·Filed 2013·Granted Dec 21, 2021·0 cites·15 claims
- 3738US2014076317A1Pulse oximetry in respiratory therapy patient interfaceLOTZ GARY WILLIAM·Filed 2012·Application pending·0 cites
- 3835US5111690AValve stem load monitoring system with means for monitoring changes in the valve yoke elongationWESTINGHOUSE ELECTRIC CORP·Filed 1990·Granted May 12, 1992·6 cites·12 claims
- 3935US5103681ADiametral clamp element for cylindrical membersWESTINGHOUSE ELECTRIC CORP·Filed 1990·Granted Apr 14, 1992·5 cites·9 claims
- 4034US6340211B1Dual station air brake controlWESTINGHOUSE AIR BRAKE CO·Filed 1997·Granted Jan 22, 2002·4 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Winslow K. Duff files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →