DH

Drummond Watson Hislop

HL Hieta Technologies Limited: 2 patents #2 of 12Top 20%
Overall (All Time): #1,169,545 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10808614 Radial flow turbine heat engine Simon Lloyd Jones, Keith Robert Pullen 2020-10-20
10718574 Pin fin heat exchanger 2020-07-21
10077944 Combined chamber wall and heat exchanger 2018-09-18
8359744 Heat exchanger Stephen David Joseph 2013-01-29