Inventor · disambiguated record
David Crenella
Also filed as: CRENELLA DAVID
4 granted patents·342 citations·filing 1998–2003
82Inventor score
Top patents by PatentIndex Score
4 records- 0196US5984051ARemote elevator call requests with descriptor tagsOTIS ELEVATOR CO·Filed 1998·Granted Nov 16, 1999·158 cites·8 claims
- 0293US6956463B2Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devicesCARRIER CORP·Filed 2002·Granted Oct 18, 2005·139 cites·7 claims
- 0388US6601679B2Two-part wireless communications system for elevator hallway fixturesOTIS ELEVATOR CO·Filed 2001·Granted Aug 5, 2003·36 cites·13 claims
- 0456US8356698B2Wireless elevator hall fixtures integral with hall door frameOTIS ELEVATOR CO·Filed 2003·Granted Jan 22, 2013·9 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →