houweling's tomatoes

Patents Held

Houweling’s has a rich history of innovation in the greenhouse industry both in North America and Internationally.  These are some our patents held.

COUNTRYTITLEPATENT NO.ISSUED
ULTRA CLIMA
U.S.GREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHOD8,707,617Issued 04/29/2014
CANADAGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHOD2592674 Issued 07/23/2013
EUROPEGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHOD2031957 Issued 10/16/2013
ISRAELGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHOD193844 Issued 08/29/2013
MEXICOGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHODMX 327463 B

Issued 01/30/2015

NEW ZEALANDULTRA CLIMA CLOSED-LOOP ENERGY DRYING SYSTEM611982Issued 09/29/2015
“TUBE IN TUBE”
AUSTRALIAGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHOD2010328690 
NEW ZEALANDGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHOD599383Issued 12/13/2013
MEXICOGREENHOUSE AND FORCED GREENHOUSE CLIMATE CONTROL SYSTEM AND METHODMX 327532 B Issued 04/02/2015