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Showing 1 to 20 of 1286 results

PATENT /PUB No. Country Patent Title Patent Owner Filing Date Issue/Pub Date Status
10866572 US Selectable variable air volume controller Mar 30, 2017 Dec 15, 2020 Granted
10712034 US Variable frequency drives systems and methods Apr 19, 2018 Jul 14, 2020 Granted
8544290 US Medium voltage variable speed drive for a chiller unit Apr 1, 2011 Oct 1, 2013 Granted
RE34202 US Dual mode pneumatic control system Apr 21, 1992 Mar 30, 1993 Granted
8826680 US Pressure ratio unload logic for a compressor May 31, 2006 Sep 9, 2014 Granted
6980910 US Extensions to dynamically configurable process for diagnosing faults in rotating machines Mar 25, 2003 Dec 27, 2005 Granted
9291166 US Motor cooling system Dec 12, 2011 Mar 22, 2016 Granted
8718707 US Devices, systems, and methods for communicating with rooftop air handling units and other HVAC components Mar 20, 2009 May 6, 2014 Granted
10866007 US Cascaded indoor air quality and outdoor air flow economizer system Jan 11, 2019 Dec 15, 2020 Granted
5372750 US Electrically conductive screen printable compositions and method of making the same Dec 16, 1993 Dec 13, 1994 Granted
9013291 US Instrument panel and method for displaying a first symbol and a second symbol Oct 17, 2008 Apr 21, 2015 Granted
5165289 US Resonant mechanical sensor Jul 10, 1990 Nov 24, 1992 Granted
4482847 US Electrically-controlled rotary actuator Feb 25, 1983 Nov 13, 1984 Granted
5702841 US Electrolyte venting system with tubular splash guards Jul 19, 1995 Dec 30, 1997 Granted
5463735 US Method of downloading information stored in an arching device to destination network controller through intermediate network controllers in accordance with routing information Feb 3, 1994 Oct 31, 1995 Granted
10495337 US Smart thermostat with model predictive control Nov 9, 2018 Dec 3, 2019 Granted
8944152 US Compact evaporator for chillers Jul 20, 2010 Feb 3, 2015 Granted
D821897 US Thermostat Jun 26, 2017 Jul 3, 2018 Granted
D556610 US Temperature sensing device Sep 30, 2005 Dec 4, 2007 Granted
4303385 US Direct ignition system for gas appliance with DC power source Jun 11, 1979 Dec 1, 1981 Granted

Showing 1 to 20 of 1286 results

*Note: Documents with disabled checkboxes are ancillary ones, so these cannot be added to portfolio.