Madison, Wisconsin
United States
7
2025-11-04
The entities that hold a legal rights for patent applications filed by inventor Steinhafel Michael B.:
Michael B. Steinhafel from Madison, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Step modulating swing tank for heat pump water heater
#2 | 2018-08-09Condensing water heater and condensation control system
#3 | 2012-11-22Water heater with multiple heat exchanging stacks
#4 | 2010-04-08Enamel flow coating process and apparatus
#5 | 2009-06-18Water heater with condensing flue
#6 | 2008-08-14Water heater anode and mounting fixture
#7 | 2005-10-25Water heater flue with improved heat transfer
2264313 ⎘