Chester RACZEWSKI

Person

Ontario, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Exhaust flow control system and method
- Patent number 10,082,299
- Issue date Sep 25, 2018
- Oy Halton Group Ltd.
- Andrey V. Livchak
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Ultraviolet monitoring systems, methods, and devices
- Patent number 9,645,009
- Issue date May 9, 2017
- Oy Halton Group Ltd.
- Andrey V. Livchak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Exhaust flow control system and method
- Patent number 9,494,324
- Issue date Nov 15, 2016
- Oy Halton Group Ltd.
- Andrey V. Livchak
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Ultraviolet monitoring systems, methods, and devices
- Patent number 9,119,891
- Issue date Sep 1, 2015
- Oy Halton Group Ltd.
- Andrey V. Livchak
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Exhaust Flow Control System and Method
- Publication number 20180363923
- Publication date Dec 20, 2018
- OY HALTON GROUP LTD.
- Andrey V. LIVCHAK
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Exhaust Flow Control System and Method
- Publication number 20160377298
- Publication date Dec 29, 2016
- OY HALTON GROUP LTD.
- Andrey V. LIVCHAK
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ULTRAVIOLET MONITORING SYSTEMS, METHODS, AND DEVICES
- Publication number 20150308890
- Publication date Oct 29, 2015
- OY HALTON GROUP LTD.
- Andrey V. LIVCHAK
- G01 - MEASURING TESTING
Information Patent Application
ULTRAVIOLET MONITORING SYSTEMS, METHODS, AND DEVICES
- Publication number 20130287627
- Publication date Oct 31, 2013
- OY HALTON GROUP LTD.
- Andrey V. Livchak
- G01 - MEASURING TESTING
Information Patent Application
EXHAUST FLOW CONTROL SYSTEM AND METHOD
- Publication number 20110284091
- Publication date Nov 24, 2011
- OY HALTON GROUP LTD.
- Andrey V. Livchak
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ULTRA-VIOLET VENTILATION SYSTEM HAVING AN IMPROVED FILTERING DEVICE
- Publication number 20110120314
- Publication date May 26, 2011
- Oy Halton Group Ltd.
- Erik MAGNER
- F24 - HEATING RANGES VENTILATING
Information Patent Application
ULTRA-VIOLET VENTILATION SYSTEM HAVING AN IMPROVED FILTERING DEVICE
- Publication number 20080302247
- Publication date Dec 11, 2008
- OY HALTON GROUP LIMITED
- Erik MAGNER
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Ultra-violet ventilation system having an improved filtering device
- Publication number 20050229922
- Publication date Oct 20, 2005
- Erik Magner
- F24 - HEATING RANGES VENTILATING

Chester RACZEWSKI

Person

Patents Grantslast 30 patents

Exhaust flow control system and method

Ultraviolet monitoring systems, methods, and devices

Exhaust flow control system and method

Ultraviolet monitoring systems, methods, and devices

Patents Applicationslast 30 patents

Exhaust Flow Control System and Method

Exhaust Flow Control System and Method

ULTRAVIOLET MONITORING SYSTEMS, METHODS, AND DEVICES

ULTRAVIOLET MONITORING SYSTEMS, METHODS, AND DEVICES

EXHAUST FLOW CONTROL SYSTEM AND METHOD

ULTRA-VIOLET VENTILATION SYSTEM HAVING AN IMPROVED FILTERING DEVICE

ULTRA-VIOLET VENTILATION SYSTEM HAVING AN IMPROVED FILTERING DEVICE

Ultra-violet ventilation system having an improved filtering device