Inventor · disambiguated record
Douglas Frank Schwandt
Also filed as: SCHWANDT DOUGLAS F · SCHWANDT DOUGLAS FRANK
6 granted patents·7 pending applications·125 citations·filing 2010–2023
83Inventor score
Files withALTERG INC8WHALEN SEAN TREMAINE2CHILDRENS NAT MEDICAL CT1KUEHNE ERIC R1KUEHNE ERIC RICHARD1
Top patents by PatentIndex Score
13 records- 0194US10004656B2Systems, methods and apparatus for differential air pressure devicesALTERG INC·Filed 2016·Granted Jun 26, 2018·35 cites·20 claims
- 0294US9642764B2Differential air pressure systemsALTERG INC·Filed 2013·Granted May 9, 2017·40 cites·24 claims
- 0393US8464716B2Differential air pressure systemsKUEHNE ERIC RICHARD·Filed 2010·Granted Jun 18, 2013·49 cites·18 claims
- 0491US12171715B2Systems, methods and apparatus for differential air pressure devicesALTERG INC·Filed 2022·Granted Dec 24, 2024·1 cites·7 claims
- 0574US12239595B2Differential air pressure systemsALTERG INC·Filed 2023·Granted Mar 4, 2025·0 cites·9 claims
- 0664US2021251841A1Systems, methods and apparatus for differential air pressure devicesALTERG INC·Filed 2020·Application pending·0 cites
- 0764US2021205165A1Differential air pressure systemsALTERG INC·Filed 2020·Application pending·0 cites
- 0853US2019099320A1Systems, methods and apparatus for differential air pressure devicesWHALEN SEAN TREMAINE·Filed 2018·Application pending·0 cites
- 0953US2017367916A1Differential air pressure systemsKUEHNE ERIC R·Filed 2017·Application pending·0 cites
- 1050US11344463B2Delayed cord clamping systemCHILDRENS NAT MEDICAL CT·Filed 2019·Granted May 31, 2022·0 cites·41 claims
- 1149US2012277643A1Systems, methods and apparatus for calibrating differential air pressure devicesWHALEN SEAN TREMAINE·Filed 2012·Application pending·0 cites
- 1247US2011098157A1Systems, methods and apparatus for calibrating differential air pressure devicesALTERG INC·Filed 2010·Application pending·0 cites
- 1347US2011098615A1Systems, methods and apparatus for differential air pressure devicesALTERG INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →