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David Levitt
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San Anselmo, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Plant trichome filtration and concentration
Patent number
11,167,225
Issue date
Nov 9, 2021
Spiral Water Technologies, Inc.
David Levitt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flow control features for fluid filtration device and methods
Patent number
10,286,338
Issue date
May 14, 2019
SPIRAL WATER TECHNOLOGIES, INC.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid filtration and particle concentration device and methods
Patent number
9,895,635
Issue date
Feb 20, 2018
Spiral Water Technologies, Inc.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Fluid filtration and particle concentration device and methods
Patent number
9,409,106
Issue date
Aug 9, 2016
SPIRAL WATER TECHNOLOGIES, INC.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Cleaning assembly for use in fluid filtration systems
Patent number
8,882,999
Issue date
Nov 11, 2014
Dow Global Technologies LLC
David J. Levitt
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Hydroclone based fluid filtration system
Patent number
8,701,896
Issue date
Apr 22, 2014
Dow Global Technologies LLC
David J. Levitt
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Hydroclone based fluid filtration system
Patent number
8,201,697
Issue date
Jun 19, 2012
Dow Global Technologies LLC
David J. Levitt
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Hydroclone based fluid filtration system
Patent number
7,896,169
Issue date
Mar 1, 2011
Clean Filtration Technologies, Inc.
David J. Levitt
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Hydroclone based fluid filtration system
Patent number
7,632,416
Issue date
Dec 15, 2009
Clean Filtration Technologies, Inc.
David J. Levitt
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Patents Applications
last 30 patents
Information
Patent Application
PLANT TRICHOME FILTRATION AND CONCENTRATION
Publication number
20200230530
Publication date
Jul 23, 2020
Spiral Water Technologies, Inc.
David Levitt
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SOLIDS SENSING TECHNOLOGY
Publication number
20170128859
Publication date
May 11, 2017
Spiral Water Technologies, Inc.
David Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FLUID FILTRATION AND PARTICLE CONCENTRATION DEVICE AND METHODS
Publication number
20160310877
Publication date
Oct 27, 2016
Spiral Water Technologies, Inc.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FLOW CONTROL FEATURES FOR FLUID FILTRATION DEVICE AND METHODS
Publication number
20150196859
Publication date
Jul 16, 2015
Spiral Water Technologies, Inc.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDROCLONE BASED FLUID FILTRATION SYSTEM
Publication number
20130126421
Publication date
May 23, 2013
David J. Levitt
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Application
Sample Encapsulation and Cache Device and Methods
Publication number
20120111635
Publication date
May 10, 2012
George Caffell
E21 - EARTH DRILLING MINING
Information
Patent Application
CLEANING ASSEMBLY FOR USE IN FLUID FILTRATION SYSTEMS
Publication number
20120010063
Publication date
Jan 12, 2012
CLEAN FILTRATION TECHNOLOGIES, INC.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
FLUID FILTRATION AND PARTICLE CONCENTRATION DEVICE AND METHODS
Publication number
20110220586
Publication date
Sep 15, 2011
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HYDROCLONE BASED FLUID FILTRATION SYSTEM
Publication number
20110120959
Publication date
May 26, 2011
CLEAN FILTRATION TECHNOLOGIES, INC.
David J. LEVITT
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Hydroclone based fluid filtration system
Publication number
20070045168
Publication date
Mar 1, 2007
Clean Filtration Technologies, Inc.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Hydroclone based fluid filtration system
Publication number
20070039900
Publication date
Feb 22, 2007
Clean Filtration Technologies, Inc.
David J. Levitt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL