Inventor · disambiguated record
Andrew R. Chapman
Also filed as: CHAPMAN ANDREW · CHAPMAN ANDREW R · CHAPMAN ANDREW ROSS
2 granted patents·2 pending applications·0 citations·filing 2004–2023
22Inventor score
Top patents by PatentIndex Score
4 records- 0156US2025090786A1Systems and methods for generating concentrated oxygenVENTEC LIFE SYSTEMS INC·Filed 2023·Application pending·0 cites
- 0247US12440634B2Ventilator systems with integrated oxygen delivery, and associated devices and methodsVENTEC LIFE SYSTEMS INC·Filed 2021·Granted Oct 14, 2025·0 cites·16 claims
- 0332US11383245B2Mill liner installationRUSSELL MINERAL EQUIPMENT PTY LTD·Filed 2017·Granted Jul 12, 2022·0 cites·46 claims
- 0429US2006196502A1Oxygen deprivation systemPILCHER MURRAY·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Andrew R. Chapman 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 →