Inventor · disambiguated record
David Perkins
Also filed as: PERKINS DAVID · PERKINS DAVID E
11 granted patents·12 pending applications·476 citations·filing 1997–2015
93Inventor score
Top patents by PatentIndex Score
23 records- 0195US8671686B2Systems and methods for providing backup energy to a loadPINKERTON JOSEPH F·Filed 2010·Granted Mar 18, 2014·72 cites·19 claims
- 0293US7693402B2Thermal storage unit and methods for using the same to heat a fluidACTIVE POWER INC·Filed 2004·Granted Apr 6, 2010·103 cites·24 claims
- 0389US7750518B1Transient energy systems and methods for use of the sameACTIVE POWER INC·Filed 2006·Granted Jul 6, 2010·24 cites·10 claims
- 0489US7127895B2Systems and methods for providing backup energy to a loadACTIVE POWER INC·Filed 2003·Granted Oct 31, 2006·61 cites·32 claims
- 0580US7681395B2Systems and methods for providing backup energy to a loadPINKERTON JOSEPH F·Filed 2006·Granted Mar 23, 2010·17 cites·20 claims
- 0679US7425807B1Transient energy systems and methods for use of the sameACTIVE POWER INC·Filed 2006·Granted Sep 16, 2008·20 cites·17 claims
- 0779US6208056B1Cartridge armatures for electro-dynamic machinesACTIVE POWER INC·Filed 1997·Granted Mar 27, 2001·49 cites·14 claims
- 0877US6955050B2Thermal storage unit and methods for using the same to heat a fluidACTIVE POWER INC·Filed 2003·Granted Oct 18, 2005·18 cites·88 claims
- 0977US6642682B1Circuits and methods for preheating a rotor of a motor-generator deviceACTIVE POWER INC·Filed 2002·Granted Nov 4, 2003·41 cites·26 claims
- 1072US6657320B1Integrated flywheel uninterruptible power supply systemACTIVE POWER INC·Filed 1999·Granted Dec 2, 2003·67 cites·31 claims
- 1171US7918091B1Systems and methods for controlling humidityACTIVE POWER INC·Filed 2006·Granted Apr 5, 2011·4 cites·7 claims
- 1258US2014010594A1Fluid storage in compressed-gas energy storage and recovery systemsMCBRIDE TROY O·Filed 2013·Application pending·0 cites
- 1358US2014013735A1Fluid storage in compressed-gas energy storage and recovery systemsMCBRIDE TROY O·Filed 2013·Application pending·0 cites
- 1457US2013336721A1Fluid storage in compressed-gas energy storage and recovery systemsMCBRIDE TROY O·Filed 2013·Application pending·0 cites
- 1550US2013152572A1Valve activation in compressed-gas energy storage and recovery systemsMADDERNO JEFFREY·Filed 2012·Application pending·0 cites
- 1650US2013152571A1Valve activation in compressed-gas energy storage and recovery systemsMODDERNO JEFFERY·Filed 2012·Application pending·0 cites
- 1750US2007022754A1Thermal storage unit and methods for using the same to head a fluidACTIVE POWER INC·Filed 2005·Application pending·0 cites
- 1849US2013152568A1Valve activation in compressed-gas energy storage and recovery systemsMODDERNO JEFFREY·Filed 2012·Application pending·0 cites
- 1942US2005126172A1Thermal storage unit and methods for using the same to heat a fluidFiled 2004·Application pending·0 cites
- 2041US2007139883A1Systems and methods for providing resources such as cooling and secondary power to electronics in a data centerPINKERTON JOSEPH F III·Filed 2005·Application pending·0 cites
- 2137US2015197827A1Methods and systems of metal sorption using interstage screeningDERRICK CORP·Filed 2015·Application pending·0 cites
- 2237US2006059937A1Systems and methods for providing cooling in compressed air storage power supply systemsPERKINS DAVID E·Filed 2004·Application pending·0 cites
- 2329US2006059936A1Systems and methods for providing cooling in compressed air storage power supply systemsRADKE ROBERT E·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David Perkins 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 →