Inventor
FAGERLUND ALLEN C
US19 patents
⚠️ This page may combine multiple inventors who share the name “FAGERLUND ALLEN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISHER CONTROLS INT
8 patentsUS5180139AJan 19, 1993
Rotary ball fluid control valve with noise attenuator
FISHER CONTROLS INT77 citations95
US5400825AMar 28, 1995
Rotary noise attenuator
FISHER CONTROLS INT48 citations94
US5332004AJul 26, 1994
Rotary noise attenuator
FISHER CONTROLS INT56 citations94
US5193583AMar 16, 1993
Rotary noise attenuator
FISHER CONTROLS INT34 citations91
US7766045B2Aug 3, 2010
Fluid pressure reduction device for high pressure-drop ratios
FISHER CONTROLS INT20 citations89
US9376946B1Jun 28, 2016
Modal attenuator
FISHER CONTROLS INT20 citations86
US8931591B2Jan 13, 2015
Simplified modal attenuator
FISHER CONTROLS INT12 citations82
US9291282B2Mar 22, 2016
Swept outlet noise reducing element
FISHER CONTROLS INT5 citations72
FISHER CONTROLS INT LLC
8 patentsUS10221963B2Mar 5, 2019
Ball valve with modal silencer
FISHER CONTROLS INT LLC7 citations83
US9759348B2Sep 12, 2017
Aerodynamic noise reduction cage
FISHER CONTROLS INT LLC15 citations81
US9732859B2Aug 15, 2017
Noise reducing diffuser trim
FISHER CONTROLS INT LLC2 citations72
US10539252B2Jan 21, 2020
Aerodynamic noise reduction cage
FISHER CONTROLS INT LLC4 citations70
US10663083B2May 26, 2020
Trim assembly having a side branch resonator array and fluid control valve comprising same
FISHER CONTROLS INT LLC1 citations61
US10495234B2Dec 3, 2019
Flow stabilizer for a control valve
FISHER CONTROLS INT LLC1 citations61
US11644124B1May 9, 2023
Attenuator dome for a ball valve
FISHER CONTROLS INT LLC0 citations51
US10012326B2Jul 3, 2018
Noise reducing diffuser trim with chevrons
FISHER CONTROLS INT LLC0 citations40