Denis Friezner

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Granada Hills, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fluid flow control and debris intercepting apparatus
- Patent number 9,428,899
- Issue date Aug 30, 2016
- Denis Friezner
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Fluid flow control and debris intercepting apparatus
- Patent number 8,945,375
- Issue date Feb 3, 2015
- Denis Friezner
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Fluid flow control and debris intercepting apparatus
- Patent number 8,535,523
- Issue date Sep 17, 2013
- Denis Friezner
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Fluid Flow Control and Debris Intercepting Apparatus
- Publication number 20150053598
- Publication date Feb 26, 2015
- Denis Friezner
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Fluid Flow Control and Debris Intercepting Apparatus
- Publication number 20140041744
- Publication date Feb 13, 2014
- Denis Friezner
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
Fluid flow control and debris intercepting apparatus
- Publication number 20120103883
- Publication date May 3, 2012
- Denis Friezner
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL