DJ

David W. Johnsen

MP Markwest Energy Partners: 3 patents #7 of 8Top 90%
UI University Of Illinois: 3 patents #351 of 3,009Top 15%
AO American Optical: 2 patents #30 of 106Top 30%
📍 Denver, CO: #477 of 4,554 inventorsTop 15%
🗺 Colorado: #5,842 of 40,980 inventorsTop 15%
Overall (All Time): #636,015 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10247643 System, method, and apparatus for determining air emissions during pig receiver depressurization 2019-04-02
10168255 System, method, and apparatus for determining air emissions during pig receiver depressurization 2019-01-01
10024768 System, method, and apparatus for determining air emissions during pig receiver depressurization 2018-07-17
8940077 Indirect real-time monitoring and control of electrical resistively heated adsorbent system Mark J. Rood 2015-01-27
8636829 Gas purification system for liquefaction of dilute gas components Mark J. Rood, K. James Hay, Kaitlin Mallouk 2014-01-28
8500853 Gas purification system and method for liquefaction of dilute gas components Mark J. Rood, K. James Hay, Kaitlin Mallouk 2013-08-06
D263058 Pair of spectacles 1982-02-16
D253954 Pair of spectacles 1980-01-15