Inventor
POTHARAJU VENKATA SUBBARAO
NZ20 patents
⚠️ This page may combine multiple inventors who share the name “POTHARAJU VENKATA SUBBARAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER & PAYKEL HEALTHCARE LTD
16 patentsUS6881033B2Apr 19, 2005
Impeller
FISHER & PAYKEL HEALTHCARE LTD59 citations96
US10252019B2Apr 9, 2019
Humidifier heater base
FISHER & PAYKEL HEALTHCARE LTD18 citations93
US10155097B2Dec 18, 2018
Integrated humidifier chamber and lid
FISHER & PAYKEL HEALTHCARE LTD10 citations92
US7210226B2May 1, 2007
Method of manufacturing an impeller
FISHER & PAYKEL HEALTHCARE LTD22 citations92
US9579480B2Feb 28, 2017
Method and apparatus for increasing therapy compliance
FISHER & PAYKEL HEALTHCARE LTD17 citations89
US11497881B2Nov 15, 2022
Humidified respiratory gas supply system
FISHER & PAYKEL HEALTHCARE LTD4 citations83
US11426554B2Aug 30, 2022
Humidifier system
FISHER & PAYKEL HEALTHCARE LTD4 citations83
US10898670B2Jan 26, 2021
Method and apparatus for increasing therapy compliance
FISHER & PAYKEL HEALTHCARE LTD7 citations82
US12201777B2Jan 21, 2025
Humidifier heater base
FISHER & PAYKEL HEALTHCARE LTD2 citations74
US11857729B2Jan 2, 2024
Integrated humidifier chamber and lid
FISHER & PAYKEL HEALTHCARE LTD1 citations72
US11497877B2Nov 15, 2022
Integrated humidifier chamber and lid
FISHER & PAYKEL HEALTHCARE LTD1 citations72
US11273281B2Mar 15, 2022
Humidifier heater base
FISHER & PAYKEL HEALTHCARE LTD2 citations72
US11517689B2Dec 6, 2022
Control for respiratory device
FISHER & PAYKEL HEALTHCARE LTD3 citations67
US12582794B2Mar 24, 2026
Humidifier heater base
FISHER & PAYKEL HEALTHCARE LTD0 citations62
US12168099B2Dec 17, 2024
Integrated humidifier chamber and lid
FISHER & PAYKEL HEALTHCARE LTD0 citations62
US12268818B2Apr 8, 2025
Integrated humidifier chamber and lid
FISHER & PAYKEL HEALTHCARE LTD0 citations51
POTHARAJU VENKATA SUBBARAO
3 patentsUS8555879B2Oct 15, 2013
Integrated humidifier chamber and lid
POTHARAJU VENKATA SUBBARAO30 citations92
US9220865B2Dec 29, 2015
Method and apparatus for increasing therapy compliance
POTHARAJU VENKATA SUBBARAO10 citations89
US9174017B2Nov 3, 2015
Humidifier heater base
POTHARAJU VENKATA SUBBARAO11 citations88