Inventor · disambiguated record
David K. Shaffer
Also filed as: SHAFFER DAVID K
7 granted patents·151 citations·filing 1990–2001
88Inventor score
Top patents by PatentIndex Score
7 records- 0183US6343610B1Method and apparatus for recycling coolant for a cutting machineMASCO CORP·Filed 2000·Granted Feb 5, 2002·17 cites·4 claims
- 0278US6435198B2System for cooling and washing a part formed in a metal forming machineMASCO CORP·Filed 2001·Granted Aug 20, 2002·12 cites·4 claims
- 0377US6460549B2Method and apparatus for degreasing a metal partMASCO CORP·Filed 2001·Granted Oct 8, 2002·11 cites·7 claims
- 0477US5079707AIntegrated certification-calibration system for a testing system having multiple test instrumentsBOEING CO·Filed 1990·Granted Jan 7, 1992·49 cites·14 claims
- 0567US5115407AIntegrated certification-calibration system for a testing system having multiple test instrumentsBOEING CO·Filed 1991·Granted May 19, 1992·32 cites·15 claims
- 0661US5983910AMethod and apparatus for recycling coolant for a cutting machineMASCO CORP·Filed 1998·Granted Nov 16, 1999·18 cites·5 claims
- 0749US5795400AMethod for recycling coolant for a cutting machineFiled 1996·Granted Aug 18, 1998·12 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →