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Air Control Techniques, P.C.
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Cary, NC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Particulate separator for the removal of large particulate matter f...
Patent number
10,744,436
Issue date
Aug 18, 2020
Air Control Techniques, P.C.
John R. Richards
B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information
Patent Grant
Method of photochemically removing ammonia from gas streams
Patent number
7,198,698
Issue date
Apr 3, 2007
Air Control Techniques, P.C.
John R. Richards
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Photochemical system and method for removal for formaldehyde from i...
Patent number
6,770,174
Issue date
Aug 3, 2004
Air Control Techniques, P.C.
John R. Richards
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Photochemical system and method for the removal of PCDD or PCDF com...
Patent number
6,541,677
Issue date
Apr 1, 2003
Air Control Techniques, P.C.
John R. Richards
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
PARTICLE SEPARATOR FOR THE REMOVAL OF LARGE PARTICULATE MATTER FROM...
Publication number
20180229166
Publication date
Aug 16, 2018
AIR CONTROL TECHNIQUES, P.C.
John R. Richards
F24 - HEATING RANGES VENTILATING
Information
Patent Application
PHOTOCHEMICAL PROCESS FOR THE LIQUID PHASE DESTRUCTION OF POLYCHLOR...
Publication number
20150136710
Publication date
May 21, 2015
AIR CONTROL TECHNIQUES, P.C.
John R. Richards
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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last 30 trademarks