Assignee
Dresser LLC
US56 patents
Top patents by PatentIndex Score
USD931420SSep 21, 2021
Control valve assembly
Dresser LLC1 citations70
US12234922B2Feb 25, 2025
Coatings for valve parts to prevent erosion
Dresser LLC2 citations69
US10641668B2May 5, 2020
Measuring deformation of a compression spring to monitor performance of a safety valve
Dresser LLC3 citations69
US12196341B2Jan 14, 2025
Manufacturing a valve plug to reduce erosion
Dresser LLC2 citations67
US11840453B2Dec 12, 2023
Protecting valve parts from erosion
Dresser LLC2 citations67
US11125350B2Sep 21, 2021
Valve control assembly
Dresser LLC2 citations67
US10670054B2Jun 2, 2020
Constructing valve positioners for hazardous areas
Dresser LLC5 citations66
USD987032SMay 23, 2023
Pilot-operated safety relief valve nozzle
Dresser LLC3 citations65
US11454334B1Sep 27, 2022
Accuracy of control valves using a short-stroke position converter
Dresser LLC3 citations65
US11713827B2Aug 1, 2023
Expandable pilot assembly for pressure regulators
Dresser LLC2 citations64
US12253100B2Mar 18, 2025
Eliminating bleed on flow controls
Dresser LLC0 citations59
US10935160B2Mar 2, 2021
Method for determining amplitude of stick-slip on a valve assembly and implementation thereof
Dresser LLC0 citations59
US12338905B2Jun 24, 2025
Reducing noise in ball valves
Dresser LLC0 citations58
US12158219B2Dec 3, 2024
Manufacturing valve trim to abate valve noise
Dresser LLC0 citations58
US12098782B2Sep 24, 2024
Testing control valves in the field
Dresser LLC0 citations58
US11686404B2Jun 27, 2023
Reducing noise in ball valves
Dresser LLC1 citations58
US11306748B2Apr 19, 2022
Constructing valve positioners for hazardous areas
Dresser LLC0 citations58
US11079038B2Aug 3, 2021
Manufacture of actuators and control valve assemblies
Dresser LLC0 citations58
US10883899B2Jan 5, 2021
System and method for identifying data useful for valve diagnostics
Dresser LLC0 citations58
US12467554B2Nov 11, 2025
Controlling an actuator on a valve
Dresser LLC0 citations57
US11898658B1Feb 13, 2024
Heating a valve body
Dresser LLC1 citations57
US11079032B2Aug 3, 2021
Regulating overtravel in bi-furcated plugs for use in valve assemblies
Dresser LLC0 citations57
US11578810B2Feb 14, 2023
Valve control assembly
Dresser LLC0 citations56
US11624380B2Apr 11, 2023
Compensating for orientation of a valve positioner on a valve assembly
Dresser LLC0 citations55
US10724555B2Jul 28, 2020
Generating two pneumatic signals to operate an actuator on a valve assembly
Dresser LLC2 citations55
US11421799B1Aug 23, 2022
Accuracy of control valves using a long-stroke position converter
Dresser LLC1 citations54
US12585294B2Mar 24, 2026
Re-evaluating valve fit and function on a process line
Dresser LLC0 citations53
US12385604B2Aug 12, 2025
Re-couping actuating media used to operate a control valve
Dresser LLC0 citations53
US12372166B2Jul 29, 2025
Using diverget flow paths in valve trim to abate valve noise
Dresser LLC0 citations53
US12181071B2Dec 31, 2024
Constructing a valve bellows for a valve
Dresser LLC0 citations53
US11796083B1Oct 24, 2023
Manufacturing valve trim to abate noise
Dresser LLC0 citations53
US11306838B2Apr 19, 2022
Pilot-operated pressure relief valve nozzle
Dresser LLC0 citations53
US12038351B2Jul 16, 2024
Detecting emissions from valve packing
Dresser LLC0 citations52
US12011790B2Jun 18, 2024
Installing valve trim in a valve assembly
Dresser LLC0 citations52
US11517987B1Dec 6, 2022
Installing trim in a valve assembly
Dresser LLC0 citations52
US10920891B2Feb 16, 2021
Arranging butterfly valves for positive sealing of a valve assembly
Dresser LLC0 citations51
US12553538B2Feb 17, 2026
Monitoring condition of a valve plug in a valve
Dresser LLC0 citations50
US11971111B1Apr 30, 2024
Relieving pressure in critical and sub-critical flow regimes in backpressure conditions
Dresser LLC0 citations50
US11959562B1Apr 16, 2024
Valve plug
Dresser LLC0 citations50
US11598436B2Mar 7, 2023
Safety valves for use at extremely high temperatures
Dresser LLC0 citations49
US12078263B2Sep 3, 2024
Monitoring energy use on flow controls
Dresser LLC0 citations48
US10876649B2Dec 29, 2020
Manufacture of remote control stations for use to operate actuators on a valve assembly
Dresser LLC0 citations48
US11898656B1Feb 13, 2024
Packing for a high-pressure valve
Dresser LLC0 citations47
US11255441B1Feb 22, 2022
Securing a seat in a valve
Dresser LLC0 citations47
US10393283B2Aug 27, 2019
Regulating overtravel in bi-furcated plugs for use in valve assemblies
Dresser LLC0 citations47
US11340105B2May 24, 2022
Method of operating a liquid-level transmitter device and implementation thereof
Dresser LLC0 citations46
US10865817B2Dec 15, 2020
Compensating for orientation of a valve positioner on a valve assembly
Dresser LLC0 citations45
US10474129B2Nov 12, 2019
Replacing a controller on a process device
Dresser LLC0 citations45
US10107416B2Oct 23, 2018
Method for transmitting data for device diagnostics and implementations thereof
Dresser LLC0 citations45
US12292135B2May 6, 2025
Non-contact visual indication for motion sensing
Dresser LLC0 citations43
Showing the top 50 of 56 patents by PatentIndex Score.