Inventor · disambiguated record
Ralph E. Christman
Also filed as: CHRISTMAN RALPH E
6 granted patents·98 citations·filing 1997–2006
84Inventor score
Files withWHIRLPOOL CO6
Top patents by PatentIndex Score
6 records- 0169US5881906AWall construction for a silverware basketWHIRLPOOL CO·Filed 1997·Granted Mar 16, 1999·47 cites·8 claims
- 0266US7185664B2Fill control system for an in sink dishwasherWHIRLPOOL CO·Filed 2006·Granted Mar 6, 2007·2 cites·22 claims
- 0366US7028697B2In-sink dishwasherWHIRLPOOL CO·Filed 2002·Granted Apr 18, 2006·13 cites·32 claims
- 0461US6742531B2In-sink dishwater with self-aligning liquid feed systemWHIRLPOOL CO·Filed 2002·Granted Jun 1, 2004·12 cites·41 claims
- 0548US6871653B2Method for cleaning an in-sink dishwasherWHIRLPOOL CO·Filed 2004·Granted Mar 29, 2005·3 cites·13 claims
- 0648US6138692ACycle for a dishwasher to reduce filmingWHIRLPOOL CO·Filed 1999·Granted Oct 31, 2000·21 cites·21 claims
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