Stanley F. Rak

Person

Mundelein, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Water treatment apparatus
- Patent number 5,273,070
- Issue date Dec 28, 1993
- Culligan International Company
- Danilo Chili
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Reclaiming of spent brine
- Patent number 5,254,257
- Issue date Oct 19, 1993
- Culligan International Company
- Frank A. Brigano
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Low salt level sensor
- Patent number 5,239,285
- Issue date Aug 24, 1993
- Culligan International Company
- Stanley F. Rak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water treatment apparatus
- Patent number 5,073,255
- Issue date Dec 17, 1991
- Culligan International Company
- Danilo Chili
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water treatment system with preservice rinse
- Patent number 5,061,372
- Issue date Oct 29, 1991
- Culligan International Company
- Stanley F. Rak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Water softening process with preservice rinse
- Patent number 4,970,003
- Issue date Nov 13, 1990
- Culligan International Company
- Stanley F. Rak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for preparation of semipermeable composite membrane
- Patent number 4,606,943
- Issue date Aug 19, 1986
- Culligan International Company
- Stanley F. Rak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Self-programmable controller for water conditioner recharging
- Patent number 4,536,845
- Issue date Aug 20, 1985
- Culligan International Company
- Donald P. DeVale
- G05 - CONTROLLING REGULATING
Information Patent Grant
Circuit and apparatus for controlling a water softener
- Patent number 4,299,698
- Issue date Nov 10, 1981
- Culligan International Company
- Stanley F. Rak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Circuit and apparatus for controlling a water softener
- Patent number 4,257,887
- Issue date Mar 24, 1981
- Culligan International Company
- Stanley F. Rak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Stanley F. Rak

Person

Patents Grantslast 30 patents

Water treatment apparatus

Reclaiming of spent brine

Low salt level sensor

Water treatment apparatus

Water treatment system with preservice rinse

Water softening process with preservice rinse

Method for preparation of semipermeable composite membrane

Self-programmable controller for water conditioner recharging

Circuit and apparatus for controlling a water softener

Circuit and apparatus for controlling a water softener