Inventor
KUMAR VIRARAGHAVAN S
US22 patents
⚠️ This page may combine multiple inventors who share the name “KUMAR VIRARAGHAVAN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEKNOCRAFT INC
9 patentsUS5695125ADec 9, 1997
Dual pressure regulator having balanced regulator valves supported in sprayer handle-conformal unibody structure
TEKNOCRAFT INC71 citations96
US6715732B2Apr 6, 2004
Proportional solenoid-controlled fluid valve assembly
TEKNOCRAFT INC21 citations92
US6604726B2Aug 12, 2003
Proportional solenoid-controlled fluid valve assembly without non-magnetic alignment support element
TEKNOCRAFT INC27 citations92
US6224033B1May 1, 2001
Proportional solenoid-controlled fluid valve assembly
TEKNOCRAFT INC26 citations92
US6047947AApr 11, 2000
Proportional solenoid-controlled fluid valve assembly
TEKNOCRAFT INC28 citations92
US5785298AJul 28, 1998
Proportional solenoid-controlled fluid valve assembly
TEKNOCRAFT INC28 citations92
US5419530AMay 30, 1995
Micrometer-controlled linear flow rate fluid flow valve assembly
TEKNOCRAFT INC29 citations92
US4950016AAug 21, 1990
Integrated pneumatic valve/sensor assembly for vacuum supply apparatus
TEKNOCRAFT INC32 citations92
US4932630AJun 12, 1990
Electropneumatic vacuum supply assembly
TEKNOCRAFT INC12 citations69
KUMAR VIRARAGHAVAN S
8 patentsUS7246787B2Jul 24, 2007
Solenoid valve assembly
KUMAR VIRARAGHAVAN S12 citations83
US7028978B2Apr 18, 2006
Proportional solenoid-controlled fluid valve having compact pressure-balancing armature-poppet assembly
KUMAR VIRARAGHAVAN S18 citations83
US12510178B2Dec 30, 2025
Proportional actuator and unibody magnetic housing
KUMAR VIRARAGHAVAN S1 citations63
US7278447B2Oct 9, 2007
Co-axial solenoid actuator
KUMAR VIRARAGHAVAN S4 citations62
US5033677AJul 23, 1991
Vortex valve-controlled fuel injector
KUMAR VIRARAGHAVAN S2 citations62
US10753504B2Aug 25, 2020
Solenoid controlled valve assembly including a pressure balancing diaphragm
KUMAR VIRARAGHAVAN S1 citations59
US11441694B2Sep 13, 2022
Solenoid controlled valve assembly including a poppet and diaphragm
KUMAR VIRARAGHAVAN S1 citations52
US9879797B2Jan 30, 2018
Solenoid-actuated fluid control valve assembly
KUMAR VIRARAGHAVAN S0 citations33
PURITAN BENNETT CORP
3 patentsUS5407174AApr 18, 1995
Proportional electropneumatic solenoid-controlled valve
PURITAN BENNETT CORP224 citations99
US5301921AApr 12, 1994
Proportional electropneumatic solenoid-controlled valve
PURITAN BENNETT CORP216 citations99
US4954799ASep 4, 1990
Proportional electropneumatic solenoid-controlled valve
PURITAN BENNETT CORP253 citations99