David M. Christensen

City:

Sioux Falls, South Dakota

Country:

United States

Published Applications:

Last publication date:

2018-11-08

Top Assignees for applications by David M. Christensen

The entities that hold a legal rights for patent applications filed by inventor Christensen David M.:

EMPIRE COMFORT SYSTEMS, INC. 4 Belleville, IL United States

Recent patent applications by Christensen David M.

David M. Christensen from Sioux Falls, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2018-11-08

US20180320928A1

Mechanical engineering

High efficiency heater with condensate collection and humidification

#2 | 2015-12-24

US20150369518A1

Mechanical engineering

High efficiency heater with condensate collection and humidification

#3 | 2013-10-03

US20130255664A1

Mechanical engineering

EVAPORATION APPARATUS FOR HIGH EFFICIENCY FIRE PLACE OR HEATER WITH HUMIDIFICATION FEATURE

#4 | 2013-08-22

US20130216962A1

Mechanical engineering

Control system for space heater/hearth

InventorID:

401852 ⎘