Gerald A. Szpak

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Grants Pass, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulsation suppressing air flow system for an air sampling instrument
- Patent number 9,651,038
- Issue date May 16, 2017
- Met One Instruments, Inc.
- Gerald A. Szpak
- G01 - MEASURING TESTING
Information Patent Grant
Particulate tester with mixer for analytical application
- Patent number 8,363,222
- Issue date Jan 29, 2013
- Hach Company
- Kenneth L. Girvin
- G01 - MEASURING TESTING
Information Patent Grant
Particulate tester with mixer for analytical application
- Patent number 7,789,552
- Issue date Sep 7, 2010
- Hach Company
- Kenneth L. Girvin
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PULSATION SUPPRESSING AIR FLOW SYSTEM FOR AN AIR SAMPLING INSTRUMENT
- Publication number 20150089999
- Publication date Apr 2, 2015
- MET ONE INSTRUMENTS, INC.
- Gerald A. Szpak
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
PARTICULATE TESTER WITH MIXER FOR ANALYTICAL APPLICATION
- Publication number 20130271767
- Publication date Oct 17, 2013
- Kenneth L. Girvin
- G01 - MEASURING TESTING
Information Patent Application
PARTICULATE TESTER WITH MIXER FOR ANALYTICAL APPLICATION
- Publication number 20100313635
- Publication date Dec 16, 2010
- Hach Company
- Kenneth L. GIRVIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Particulate tester with mixer for analytical application
- Publication number 20070047385
- Publication date Mar 1, 2007
- Hach Ultra Analytics, Inc.
- Kenneth L. Girvin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL