POLAR SPRING CORPORATION

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MENLO PARK, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Control of crystal growth in water purification by directional free...
- Patent number 5,555,747
- Issue date Sep 17, 1996
- Polar Spring Corporation
- William M. Conlon
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Melt system for liquid purification by batch crystallization
- Patent number 5,231,852
- Issue date Aug 3, 1993
- Polar Spring Corporation
- William M. Conlon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Melt system for liquid purification by batch crystallization
- Patent number 5,113,664
- Issue date May 19, 1992
- Polar Spring Corporation
- William M. Conlon
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and means for optimizing batch crystallization for purifying...
- Patent number 4,954,151
- Issue date Sep 4, 1990
- Polar Spring Corporation
- Chung-Nan Chang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Dual freezing chamber system and method for water purification
- Patent number 4,799,945
- Issue date Jan 24, 1989
- Polar Spring Corporation
- Chung N. Chang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73792149 - ICEHAUS
- Serial number 73792149
- Registration number 1567005
- Filing date Apr 10, 1989
- POLAR SPRING CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
73792160
- Serial number 73792160
- Registration number 1569514
- Filing date Apr 10, 1989
- POLAR SPRING CORPORATION
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes