Inventor
GAMBETTA DAVID L
US8 patents
⚠️ This page may combine multiple inventors who share the name “GAMBETTA DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TECHNAFLOW INC
4 patentsUS5560587AOct 1, 1996
Gate valve sleeve
TECHNAFLOW INC34 citations90
US5338006AAug 16, 1994
Gate valve with improved seal unit
TECHNAFLOW INC47 citations90
US5979874ANov 9, 1999
Split knife gate valve having a uniformly compressed and constrained resilient gate seat and method for producing the same
TECHNAFLOW INC23 citations88
US5653423AAug 5, 1997
Knife gate valve with mechanically retained gate seat
TECHNAFLOW INC57 citations88