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Gildardo Vivanco
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San Diego, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Valve block having minimal deadleg
Patent number
10,663,072
Issue date
May 26, 2020
VERSUM MATERIALS US, LLC
Charles Michael Birtcher
B08 - CLEANING
Information
Patent Grant
Diptube design for a host ampoule
Patent number
9,580,293
Issue date
Feb 28, 2017
Air Products and Chemicals, Inc.
Charles Michael Birtcher
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
High purity chemical container with diptube and level sensor termin...
Patent number
7,124,913
Issue date
Oct 24, 2006
Air Products and Chemicals, Inc.
Charles Michael Birtcher
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Grant
Purgeable container for low vapor pressure chemicals
Patent number
6,966,348
Issue date
Nov 22, 2005
Air Products and Chemicals, Inc.
Thomas Andrew Steidl
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
AEROSOL-FREE VESSEL FOR BUBBLING CHEMICAL PRECURSORS IN A DEPOSITIO...
Publication number
20200131630
Publication date
Apr 30, 2020
VERSUM MATERIALS US, LLC
Charles Michael Birtcher
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
IMPROVED VALVE BLOCK HAVING MINIMAL DEADLEG
Publication number
20170335987
Publication date
Nov 23, 2017
VERSUM MATERIALS US, LLC
Charles Michael Birtcher
B08 - CLEANING
Information
Patent Application
Diptube Design for a Host Ampoule
Publication number
20150368087
Publication date
Dec 24, 2015
Air Products and Chemicals, Inc.
Charles Michael Birtcher
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
Purgeable container for low vapor pressure chemicals
Publication number
20050051234
Publication date
Mar 10, 2005
Thomas Andrew Steidl
B08 - CLEANING
Information
Patent Application
High purity chemical container with diptube and level sensor termin...
Publication number
20040262327
Publication date
Dec 30, 2004
Charles Michael Birtcher
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...