Cement supply control systems and methods
US-12318965-B2 · Jun 3, 2025 · US
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Funkhouser James Douglas patents
Funkhouser James Douglas is listed as an inventor on 16 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Funkhouser James Douglas |
| Total patents | 16 |
| First publication | Nov 24, 2016 |
| Latest publication | Jun 3, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Cement Supply Control Systems and Methods
US-2022134599-A1 · May 5, 2022 · US
Cement supply control systems and methods
US-11260560-B2 · Mar 1, 2022 · US
Boolean algebra for claim mapping and analysis
US-10628744-B2 · Apr 21, 2020 · US
Engine and transmission notification system using a J1939 data link interface
US-10573159-B2 · Feb 25, 2020 · US
High pressure valve and transmission safety checks
US-10289125-B2 · May 14, 2019 · US
Cement Supply Control Systems and Methods
US-2019134850-A1 · May 9, 2019 · US
Automated system pre-check methodology and corresponding interface
US-10253625-B2 · Apr 9, 2019 · US
Automated system pre-check methodology and corresponding interface
US-2018363459-A1 · Dec 20, 2018 · US
Variable frequency drive motor control
US-10128782-B2 · Nov 13, 2018 · US
Recent patents
Latest publications not already listed above.
Engine and transmission notification system using a j1939 data link interface
US-2018247512-A1 · Aug 30, 2018 · US
High Pressure Valve and Transmission Safety Checks
US-2018196446-A1 · Jul 12, 2018 · US
Variable Frequency Drive Motor Control
US-2018145615-A1 · May 24, 2018 · US
Variable frequency drive motor control
US-9912261-B2 · Mar 6, 2018 · US
Variable frequency drive motor control
US-2017264220-A1 · Sep 14, 2017 · US
Boolean Algebra for Claim Mapping and Analysis
US-2016342894-A1 · Nov 24, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Halliburton Energy Services Inc | 16 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B33/14 | 6 |
| B28C7/06 | 4 |
| G01F23/296 | 4 |
| G01F23/292 | 4 |
| B28C7/0076 | 4 |