Inventor · disambiguated record
Stanley F. Rak
Also filed as: RAK STANLEY F
10 granted patents·395 citations·filing 1979–1993
92Inventor score
Files withCULLIGAN INT CO10
Top patents by PatentIndex Score
10 records- 0194US4606943AMethod for preparation of semipermeable composite membraneCULLIGAN INT CO·Filed 1984·Granted Aug 19, 1986·91 cites·14 claims
- 0285US5254257AReclaiming of spent brineCULLIGAN INT CO·Filed 1993·Granted Oct 19, 1993·74 cites·18 claims
- 0380US4536845ASelf-programmable controller for water conditioner rechargingCULLIGAN INT CO·Filed 1983·Granted Aug 20, 1985·31 cites·19 claims
- 0480US4299698ACircuit and apparatus for controlling a water softenerCULLIGAN INT CO·Filed 1980·Granted Nov 10, 1981·37 cites·5 claims
- 0579US4257887ACircuit and apparatus for controlling a water softenerCULLIGAN INT CO·Filed 1979·Granted Mar 24, 1981·27 cites·6 claims
- 0676US5073255AWater treatment apparatusCULLIGAN INT CO·Filed 1989·Granted Dec 17, 1991·44 cites·24 claims
- 0772US5239285ALow salt level sensorCULLIGAN INT CO·Filed 1990·Granted Aug 24, 1993·31 cites·4 claims
- 0870US5273070AWater treatment apparatusCULLIGAN INT CO·Filed 1992·Granted Dec 28, 1993·33 cites·7 claims
- 0946US4970003AWater softening process with preservice rinseCULLIGAN INT CO·Filed 1990·Granted Nov 13, 1990·15 cites·6 claims
- 1045US5061372AWater treatment system with preservice rinseCULLIGAN INT CO·Filed 1990·Granted Oct 29, 1991·12 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →