YC

Yanwei Cen

RE Rectorseal: 3 patents #4 of 27Top 15%
Overall (All Time): #1,469,349 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10323411 Systems and methods for assisting in reducing the spread of fire, smoke or heat in a building Eva Ackerman, Martin Everington, Juan M. Gonzalez, David Thomas Graham, Carl Bryson McGinnis 2019-06-18
8734589 Use of liquid flushing composition in cleaning a heat exchanger Eva Ackerman, William Francis Flynn, Richard Garza 2014-05-27
8298345 Method for cleaning a heat exchanger Eva Ackerman, William Francis Flynn, Richard Garza 2012-10-30