Michael D Hawes

US Patent:

20130081992, Apr 4, 2013

Filed:

Sep 24, 2012

Appl. No.:

13/573555

Inventors:

Liquidity Inc - Alameda CA, US
Michael Hawes - Oakland CA, US

Assignee:

LIQUIDITY INC - Alameda CA

International Classification:

B01D 27/14
C02F 1/00
B01D 29/00

US Classification:

2103231, 210435

Abstract:

A water filter cassette for use in a gravity-fed household water filtration system. The cassette is comprised of a series of planar rectangular frames each frame adapted for filtration of a particular contaminant.

US Patent:

20160257575, Sep 8, 2016

Filed:

Mar 3, 2016

Appl. No.:

15/059814

Inventors:

- Alameda CA, US
Michael Hawes - Orinda CA, US

Assignee:

Liquidity Corporation - Alameda CA

International Classification:

C02F 1/00
C02F 1/44
C02F 1/42
B01D 71/26
C02F 1/28
B01D 39/14
B01D 71/42

Abstract:

An apparatus for filtering and dispensing drinking water is disclosed which includes a container having an interior space with a dividing wall defining a first chamber for receiving unfiltered water and a second chamber for storing filtered drinking water, wherein a passage is formed through the interior wall adjacent a bottom surface of the container to provide fluid communication between the first and second chambers, and wherein at least one multi-layered filter pack is disposed across the passage to filter water flowing from the first chamber to the second chamber under force of gravity.

US Patent:

20160251234, Sep 1, 2016

Filed:

Jun 25, 2015

Appl. No.:

14/750251

Inventors:

- Alameda CA, US
Tomás Colussi - Oakland CA, US
Michael Hawes - Orinda CA, US

Assignee:

Liquidity Corporation - Alameda CA

International Classification:

C02F 1/00

Abstract:

A portable bottle for filtering drinking water is disclosed that includes a bottle having a threaded opening, a cover for cooperating with the threaded opening of the bottle and including a top wall having a plurality of internal engagement lugs depending downwardly from an interior surface of the top wall, a filter cartridge including an end cap having a circumferential side wall that includes a plurality of engagement ribs for cooperating with the engagement lugs of the cover, and a spout including a compressible circumferential flange configured to be positioned between the interior surface of the top wall of the cover and the upper surface the end cap of the filter cartridge to provide a resilient biasing force therebetween.