Inventor
LEE DOUGLAS W
US15 patents
⚠️ This page may combine multiple inventors who share the name “LEE DOUGLAS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEE DOUGLAS W
5 patentsUS8080158B2Dec 20, 2011
Vessel and method for treating contaminated water
LEE DOUGLAS W19 citations89
US9174149B2Nov 3, 2015
Method and device for cleaning non-fixed media filters
LEE DOUGLAS W14 citations73
US8475663B2Jul 2, 2013
Vessel and method for treating contaminated water
LEE DOUGLAS W4 citations71
US8968571B2Mar 3, 2015
Method and device for converting horizontal tanks into gas flotation separators
LEE DOUGLAS W6 citations64
US8323489B2Dec 4, 2012
Vessel and method for treating contaminated water
LEE DOUGLAS W3 citations60
GAS RES INST
4 patentsUS4907658AMar 13, 1990
Percussive mole boring device with electronic transmitter
GAS RES INST119 citations95
US4834193AMay 30, 1989
Earth boring apparatus and method with control valve
GAS RES INST96 citations94
US4958689ASep 25, 1990
Method of providing a high pressure surge of working fluid to an underground percussive mole
GAS RES INST14 citations73
US4928775AMay 29, 1990
Downhole surge valve for earth boring apparatus
GAS RES INST14 citations73