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Patents Grantslast 30 patents

Information Patent Grant
Biological air filter
- Patent number 8,707,619
- Issue date Apr 29, 2014
- Labstore, S.A.S.
- David A. Edwards
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Biological process for purifying air in confined rooms and apparatu...
- Patent number 8,083,837
- Issue date Dec 27, 2011
- Ingegneria Ambientale SRL
- Uranio Mazzanti
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Room air cleansing using hydroponic plants
- Patent number 6,727,091
- Issue date Apr 27, 2004
- University of Guelph
- Alan Blake Darlington
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Device for improving the quality of indoor air
- Patent number 6,197,094
- Issue date Mar 6, 2001
- Lars Thofelt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Room air environment conditioner
- Patent number 5,315,834
- Issue date May 31, 1994
- Feliks Garunts
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Combined decorative flower pot and air filter
- Patent number 5,190,570
- Issue date Mar 2, 1993
- Chin C. He
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
3673770
- Patent number 3,673,770
- Issue date Jul 4, 1972
- B44 - DECORATIVE ARTS