Inventor
TRAN DUC THANH
US18 patents
⚠️ This page may combine multiple inventors who share the name “TRAN DUC THANH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONTROL COMPONENTS
6 patentsUS7011109B2Mar 14, 2006
Drag ball valve
CONTROL COMPONENTS24 citations88
US6913042B2Jul 5, 2005
Rotary drag valve
CONTROL COMPONENTS12 citations83
US6868865B2Mar 22, 2005
Rotary drag valve
CONTROL COMPONENTS13 citations83
US6675832B1Jan 13, 2004
Blowdown valve
CONTROL COMPONENTS19 citations81
US6923210B2Aug 2, 2005
Rotary drag valve
CONTROL COMPONENTS9 citations73
US6886596B2May 3, 2005
Rotary drag valve
CONTROL COMPONENTS7 citations73
VELAN INC
4 patentsUS12259081B2Mar 25, 2025
Thermal insulating sleeve liner for fluid flow device and fluid flow device incorporating such liner
VELAN INC0 citations53
US11940084B2Mar 26, 2024
Thermal insulating sleeve liner for fluid flow device and fluid flow device incorporating such liner
VELAN INC0 citations53
US12331848B2Jun 17, 2025
Top entry valve for severe industrial applications
VELAN INC0 citations42
US12181063B2Dec 31, 2024
Top entry valve for severe industrial applications
VELAN INC0 citations42
SPM FLOW CONTROL INC
3 patentsUS11149514B2Oct 19, 2021
Hydraulic fracturing system, apparatus, and method
SPM FLOW CONTROL INC29 citations97
US10808488B2Oct 20, 2020
Hydraulic fracturing system, apparatus, and method
SPM FLOW CONTROL INC31 citations97
US10526862B2Jan 7, 2020
Hydraulic fracturing system, apparatus, and method
SPM FLOW CONTROL INC57 citations97