Inventor · disambiguated record
David C. Ludington
Also filed as: LUDINGTON DAVID C
3 granted patents·153 citations·filing 1990–1997
77Inventor score
Files withCORNELL RES FOUNDATION INC3
Top patents by PatentIndex Score
3 records- 0180US5284180AControlling vacuum level with a two-level vacuum system controller and adjustable speed driveCORNELL RES FOUNDATION INC·Filed 1992·Granted Feb 8, 1994·41 cites·8 claims
- 0275US5141403ATwo-level vacuum system controller with adjustable speed driveCORNELL RES FOUNDATION INC·Filed 1990·Granted Aug 25, 1992·33 cites·12 claims
- 0374US5960736AVacuum level control system using variable frequency driveCORNELL RES FOUNDATION INC·Filed 1997·Granted Oct 5, 1999·79 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →