John Davis Whitaker

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Golden Valley, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for water priming microporous-carbon water filter...
- Patent number 11,731,082
- Issue date Aug 22, 2023
- Liagic LLC
- John Davis Whitaker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Device and method for water priming microporous-carbon water filter...
- Patent number 11,110,397
- Issue date Sep 7, 2021
- Pure Berkey, LLC
- John Davis Whitaker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR WATER PRIMING MICROPOROUS-CARBON WATER FILTER...
- Publication number 20210394118
- Publication date Dec 23, 2021
- Pure Berkey, L.L.C.
- John Davis Whitaker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR WATER PRIMING MICROPOROUS-CARBON WATER FILTER...
- Publication number 20190366270
- Publication date Dec 5, 2019
- Pure Berkey, L.L.C.
- John Davis Whitaker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE