Horizontal directional drill with freewheel mode
US-12565811-B2 · Mar 3, 2026 · US
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Franz Robert D patents
Franz Robert D is listed as an inventor on 15 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Franz Robert D |
| Total patents | 15 |
| First publication | Feb 13, 2018 |
| Latest publication | Mar 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Horizontal directional drill with freewheel mode
US-12371946-B2 · Jul 29, 2025 · US
Horizontal directional drill with freewheel mode
US-12320219-B2 · Jun 3, 2025 · US
Horizontal directional drill with freewheel mode
US-12281531-B2 · Apr 22, 2025 · US
Horizontal directional drill with freewheel mode
US-12110753-B2 · Oct 8, 2024 · US
Horizontal directional drill with freewheel mode
US-2024175322-A1 · May 30, 2024 · US
Horizontal directional drill with freewheel mode
US-2024175319-A1 · May 30, 2024 · US
Horizontal directional drill with freewheel mode
US-2024175320-A1 · May 30, 2024 · US
Horizontal directional drill with freewheel mode
US-2024175321-A1 · May 30, 2024 · US
Horizontal directional drill with freewheel mode
US-2023304358-A1 · Sep 28, 2023 · US
Recent patents
Latest publications not already listed above.
Systems and methods for sensing wear of reducing elements of a material reducing machine
US-10947678-B2 · Mar 16, 2021 · US
Systems and methods for sensing wear of reducing elements of a material reducing machine
US-2019352866-A1 · Nov 21, 2019 · US
Systems and methods for sensing wear of reducing elements of a material reducing machine
US-10415195-B2 · Sep 17, 2019 · US
Systems and methods for sensing wear of reducing elements of a material reducing machine
US-2018163352-A1 · Jun 14, 2018 · US
Systems and methods for sensing wear of reducing elements of a material reducing machine
US-9890504-B2 · Feb 13, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Vermeer Mfg Co | 15 |
| Stock Joseph D | 1 |
| Hartwick Ty | 1 |
| Franz Robert D | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B3/02 | 10 |
| E21B7/046 | 10 |
| E21B19/083 | 10 |
| E21B19/165 | 10 |
| E21B44/02 | 10 |