Erik G. Orwoll

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Minnetonka, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Water treatment device with fill-counting cartridge
- Patent number 6,881,327
- Issue date Apr 19, 2005
- Pur Water Purification Products
- John D. Tanner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filter cartridge assembly for water treatment device
- Patent number 6,649,045
- Issue date Nov 18, 2003
- PUR Water Purification Products, Inc.
- John D. Tanner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filter cartridge assembly for water treatment device
- Patent number 6,423,224
- Issue date Jul 23, 2002
- The Procter & Gamble Company
- John D. Tanner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Water treatment device with fill-counting cartridge
- Publication number 20040173507
- Publication date Sep 9, 2004
- PUR Water Purification Products, Inc.
- John D. Tanner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Filter cartridge assembly for water treatment device
- Publication number 20020134715
- Publication date Sep 26, 2002
- PUR Water Purification Products, Inc.
- John D. Tanner
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE