Inventor
BOOTH WALTER
US8 patents
⚠️ This page may combine multiple inventors who share the name “BOOTH WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
H TECH INC
7 patentsUS5551467ASep 3, 1996
Ball valve with controlled flow variation
H TECH INC70 citations95
US5671769ASep 30, 1997
Swing check valve and method for repairing same
H TECH INC23 citations91
US6136192AOct 24, 2000
Filter bag and sealing ring therefor
H TECH INC35 citations90
US5609185AMar 11, 1997
Valve indicator and handle assembly
H TECH INC18 citations83
US6255620B1Jul 3, 2001
Filter bag assembly line and method
H TECH INC12 citations73
USD377825SFeb 4, 1997
Bag filter vessel
H TECH INC7 citations72
USD373176SAug 27, 1996
Combined valve indicator and handle
H TECH INC10 citations72