Inventor · disambiguated record
David H. Madden
Also filed as: MADDEN DAVID · MADDEN DAVID H
6 granted patents·4 pending applications·40 citations·filing 2006–2023
79Inventor score
Files withMADDEN DAVID H3NUOVO PIGNONE TECNOLOGIE SRL2WALLACE CYNTHIA K2HAZEL JANICE L1MARKS PETER T1
Top patents by PatentIndex Score
10 records- 0188US9432346B2Protocol for controlling access to encryption keysMADDEN DAVID H·Filed 2014·Granted Aug 30, 2016·18 cites·8 claims
- 0287US8862889B2Protocol for controlling access to encryption keysMADDEN DAVID H·Filed 2012·Granted Oct 14, 2014·16 cites·7 claims
- 0374US9564038B2Method and apparatus for improving hand-sanitizing compliance in health care facilitiesWALLACE CYNTHIA K·Filed 2015·Granted Feb 7, 2017·3 cites·5 claims
- 0472US11189158B1System and method for improving hand sanitation in customer-facing environmentsMADDEN DAVID H·Filed 2020·Granted Nov 30, 2021·1 cites·7 claims
- 0571US10121356B2Hand-sanitation compliance in healthcare facilitiesWALLACE CYNTHIA K·Filed 2017·Granted Nov 6, 2018·2 cites·15 claims
- 0653US2025149607A1Dual purpose energy plant having a fuel cell systemNUOVO PIGNONE TECNOLOGIE SRL·Filed 2023·Application pending·0 cites
- 0749US2007288272A1Collection systems and methods for managing insurance subrogation claimsMARKS PETER T·Filed 2007·Application pending·0 cites
- 0847US2007271127A1Database driven subrogation claim management systemMARKS PETER TASSOCK·Filed 2006·Application pending·0 cites
- 0940US12416245B2Dual purpose energy plantNUOVO PIGNONE TECNOLOGIE SRL·Filed 2023·Granted Sep 16, 2025·0 cites·9 claims
- 1036US2014089200A1Method and Apparatus for Synergistic Online ServicesHAZEL JANICE L·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →