Inventor · disambiguated record
Donald S. Kuhnel
Also filed as: KUHNEL DONALD · KUHNEL DONALD S
8 granted patents·508 citations·filing 1979–2010
90Inventor score
Files withINNOVATIVE CONTROLS INC3SEITZ DAVID2DUNEGAN GERALD W1GRAPHIC ARTS MANUFACTURING COM1KUHNEL DONALD S1
Top patents by PatentIndex Score
8 records- 0193US6080971AFluid heater with improved heating elements controllerSEITZ DAVID·Filed 1999·Granted Jun 27, 2000·196 cites·17 claims
- 0290US5866880AFluid heater with improved heating elements controllerSEITZ DAVID·Filed 1997·Granted Feb 2, 1999·148 cites·20 claims
- 0387US4682084AHigh intensity discharge lamp self-adjusting ballast system sensitive to the radiant energy or heat of the lampINNOVATIVE CONTROLS INC·Filed 1985·Granted Jul 21, 1987·58 cites·6 claims
- 0484US8491762B2Water purification apparatus and process for purifying waterKUHNEL DONALD S·Filed 2010·Granted Jul 23, 2013·8 cites·24 claims
- 0571USD302047SExterior luminaireINNOVATIVE CONTROLS INC·Filed 1987·Granted Jul 4, 1989·17 cites·1 claims
- 0670US4747085AMethod and apparatus for monitoring swimming poolsDUNEGAN GERALD W·Filed 1986·Granted May 24, 1988·51 cites·15 claims
- 0767US4686428AHigh intensity discharge lamp self-adjusting ballast system with current limiters and a current feedback loopINNOVATIVE CONTROLS INC·Filed 1986·Granted Aug 11, 1987·23 cites·6 claims
- 0846US4276615AAnalog read-only memory system for antilog conversionGRAPHIC ARTS MANUFACTURING COM·Filed 1979·Granted Jun 30, 1981·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →