DL

Douglas Lloyd Lockhart

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Cobble Hill, CA: #1 of 7 inventorsTop 15%
Overall (All Time): #1,168,158 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10677061 Shear flow turbomachinery devices Peter Colin Harwood 2020-06-09
9880031 Method and apparatus for HVAC/R system analysis 2018-01-30
8844567 Manifold for refrigeration system 2014-09-30
5311745 Pressure measurement system for refrigeration system Oreste Varelas 1994-05-17