Inventor
WANG ZHENGGANG
US7 patents
⚠️ This page may combine multiple inventors who share the name “WANG ZHENGGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BS & B SAFETY SYSTEMS INC
4 patentsUS5947445ASep 7, 1999
Rotatable valve assembly
BS & B SAFETY SYSTEMS INC32 citations91
US5377716AJan 3, 1995
Pressure surge resistant rupture disk assembly
BS & B SAFETY SYSTEMS INC26 citations91
US5482075AJan 9, 1996
Pressure surge resistant rupture disk assembly
BS & B SAFETY SYSTEMS INC14 citations81
US6098495AAug 8, 2000
Rotatable valve assembly
BS & B SAFETY SYSTEMS INC11 citations72