Mass flow controller with absolute and differential pressure transducer
US-11526181-B2 · Dec 13, 2022 · US
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Lull John patents
Lull John is listed as an inventor on 19 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lull John |
| Total patents | 19 |
| First publication | Jan 8, 2015 |
| Latest publication | Dec 13, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Mass flow controller with absolute and differential pressure transducer
US-2021318698-A1 · Oct 14, 2021 · US
Mass flow controller with absolute and differential pressure transducer
US-11073846-B2 · Jul 27, 2021 · US
Mass flow valve controller and control method with set point filter and linearization system based on valve model
US-10969797-B2 · Apr 6, 2021 · US
Mass flow controller and controller algorithm
US-10705543-B2 · Jul 7, 2020 · US
Mass flow controller, controller algorithm, and set point filter
US-2020073415-A1 · Mar 5, 2020 · US
Mass flow controller and controller algorithm
US-2020073414-A1 · Mar 5, 2020 · US
System and method for improving the accuracy of a rate of decay measurement for real time correction in a mass flow controller or mass flow meter by using a thermal model to minimize thermally induced error in the rod measurement
US-10437264-B2 · Oct 8, 2019 · US
Mass flow controller with absolute and differential pressure transducer
US-2019235533-A1 · Aug 1, 2019 · US
System and method for providing a self validating mass flow controller and mass flow meter
US-10048105-B2 · Aug 14, 2018 · US
Recent patents
Latest publications not already listed above.
System and method for improving the accuracy of a rate of decay (ROD) measurement in a mass flow controller
US-9810377-B2 · Nov 7, 2017 · US
System and method for using a model for improving control of a mass flow controller
US-9760096-B2 · Sep 12, 2017 · US
System and method for using a rate of decay measurement for real time measurement and correction of zero offset and zero drift of a mass flow controller or mass flow meter
US-9739655-B2 · Aug 22, 2017 · US
System and method for reducing flow perturbations and improving the accuracy of a rate of decay measurement in a mass flow controller
US-9507351-B2 · Nov 29, 2016 · US
System and method for providing a self validating mass flow controller or a mass flow meter utilizing a software protocol
US-9410834-B2 · Aug 9, 2016 · US
System and method for providing a self validating mass flow controller or a mass flow meter utilizing a software protocol
US-2015122054-A1 · May 7, 2015 · US
System and method for using a rate of decay measurement for real time measurement and correction of zero offset and zero drift of a mass flow controller or mass flow meter
US-2015121988-A1 · May 7, 2015 · US
System and method for improving the accuracy of a rate of decay (rod) measurement in a mass flow controller
US-2015027558-A1 · Jan 29, 2015 · US
System and method for providing a self validating mass flow controller and mass flow meter
US-2015007897-A1 · Jan 8, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Illinois Tool Works | 19 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G05D7/0635 | 17 |
| G01F25/10 | 7 |
| G01F15/005 | 7 |
| G01F5/00 | 6 |
| G01F25/0007 | 5 |