Douglas Robert Utsch

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Blanchester, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Gravity filter designs configured for increased residence time
- Patent number 10,167,204
- Issue date Jan 1, 2019
- Helen of Troy Limited
- Douglas Robert Utsch
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
GRAVITY FILTER DESIGNS CONFIGURED FOR INCREASED RESIDENCE TIME
- Publication number 20160167981
- Publication date Jun 16, 2016
- HELEN OF TROY LIMITED
- Douglas Robert Utsch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
GRAVITY FILTER DESIGNS CONFIGURED FOR INCREASED RESIDENCE TIME
- Publication number 20130175228
- Publication date Jul 11, 2013
- HELEN OF TROY LIMITED
- Douglas Robert Utsch
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Droplet Forming Fluid Treatment Devices and Methods of Forming Drop...
- Publication number 20100243583
- Publication date Sep 30, 2010
- PUR Water Purification Products, Inc.
- Richard Paul Riedel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Droplet Forming Fluid Treatment Devices and Methods of Forming Filt...
- Publication number 20100243582
- Publication date Sep 30, 2010
- PUR Water Purification Products, Inc.
- Richard Paul Riedel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE