Fluid handling
With casing, support, protector or static constructional...
Jacketed
Inventor
active
Ported slide gate valve with gate motion to break scale...
Trunnion type ball valve
No associations
LandOfFree
Douglas S. Gray does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Douglas S. Gray, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Douglas S. Gray will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1068349