Inventor · disambiguated record
David Kirchhoff
Also filed as: KIRCHHOFF DAVID · KIRCHHOFF DAVID ALAN
5 granted patents·141 citations·filing 2003–2016
82Inventor score
Files withKIRCHHOFF DAVID ALAN2KIRCHHOFF DAVID1WEIGHT WATCHERS INTERNATIONAL1WEIGHTWATCHERS COM INC1
Top patents by PatentIndex Score
5 records- 0191US7523040B2Software and hardware system for enabling weight controlWEIGHT WATCHERS INTERNATIONAL·Filed 2003·Granted Apr 21, 2009·67 cites·7 claims
- 0281US7361143B2Weight control system having varying meal plans and meal planning schemesWEIGHTWATCHERS COM INC·Filed 2004·Granted Apr 22, 2008·37 cites·27 claims
- 0375US8595023B2Weight control system with meal plan and journalKIRCHHOFF DAVID·Filed 2004·Granted Nov 26, 2013·30 cites·24 claims
- 0473US9051117B2Actuator for opening and closing lid for bulk storage binKIRCHHOFF DAVID ALAN·Filed 2014·Granted Jun 9, 2015·4 cites·12 claims
- 0567US9976337B2Actuator for opening and closing lid for bulk storage binKIRCHHOFF DAVID ALAN·Filed 2016·Granted May 22, 2018·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →