Nine Energy Service, Inc. Active Patents
25 granted patents the USPTO still lists as patented, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2025-06-05: Application 19229662; Invention Frac Dart; Applicant Nine Downhole Technologies, LLC; Status Patented Case.
- 2025-01-09: Application 19015337; Invention COMPACT DOWNHOLE TOOL; Applicant NINE DOWNHOLE TECHNOLOGIES, LLC; Status Patented Case.
- 2025-01-09: Application 19015276; Invention COMPACT DOWNHOLE TOOL; Applicant NINE DOWNHOLE TECHNOLOGIES, LLC; Status Patented Case.
- 2025-01-09: Application 19015248; Invention COMPACT DOWNHOLE TOOL; Applicant NINE DOWNHOLE TECHNOLOGIES, LLC; Status Patented Case.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-05 | 19229662 | Frac Dart | Nine Downhole Technologies, LLC | Patented Case | 2026-05-19 | 12631104 | US20260092514A1 | Donald R. Greenlee Brian Oligschlaeger Jon Greenlee | United States United States United States | HALL, KRISTYN A |
| 2025-01-09 | 19015337 | COMPACT DOWNHOLE TOOL | NINE DOWNHOLE TECHNOLOGIES, LLC | Patented Case | 2026-09-01 | 12723485 | US20250146382A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | STEPHENSON, DANIEL P |
| 2025-01-09 | 19015276 | COMPACT DOWNHOLE TOOL | NINE DOWNHOLE TECHNOLOGIES, LLC | Patented Case | 2026-03-31 | 12590505 | US20250146381A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | STEPHENSON, DANIEL P |
| 2025-01-09 | 19015248 | COMPACT DOWNHOLE TOOL | NINE DOWNHOLE TECHNOLOGIES, LLC | Patented Case | 2026-01-06 | 12516585 | US20250146380A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | STEPHENSON, DANIEL P |
| 2024-10-01 | 18903446 | Frac Dart | Nine Downhole Technologies, LLC | Patented Case | 2026-05-26 | 12637933 | US20260092513A1 | Donald R. Greenlee Brian Oligschlaeger Jon Greenlee | United States United States United States | HALL, KRISTYN A |
| 2024-03-28 | 18619529 | Multi-Cycle Counter System | NINE DOWNHOLE TECHNOLOGIES, LLC | Patented Case | 2025-05-27 | 12312911 | US20240240537A1 | Viggo BRANDSDAL Geir AASHEIM | Norway Norway | BOMAR, THOMAS S |
| 2023-07-10 | 18349653 | COMPACT DOWNHOLE TOOL | Nine Downhole Technologies, LLC | Patented Case | 2025-02-04 | 12215565 | US20230349259A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | STEPHENSON, DANIEL P |
| 2023-02-14 | 18109723 | GAS CAPABLE FRANGIBLE DISC BARRIER VALVE | NINE DOWNHOLE TECHNOLOGIES, LLC | Patented Case | 2024-02-06 | 11891878 | US20230265739A1 | W. Lynn Frazier Steven Bailey Ronald Abt | United States United States United States | PATEL, NEEL G |
| 2022-06-27 | 17809252 | CUP PLUG HAVING A LARGE FLOW-THROUGH INSIDE DIAMETER | Nine Downhole Technologies, LLC | Patented Case | 2024-04-02 | 11946333 | US20220372835A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | HARCOURT, BRAD |
| 2022-06-21 | 17808051 | COMPACT DOWNHOLE TOOL | Nine Downhole Technologies, LLC | Patented Case | 2023-07-11 | 11697975 | US20220356778A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | STEPHENSON, DANIEL P |
| 2022-05-10 | 17662816 | Multi-Cycle Counter System | Nine Downhole Technologies, LLC | Patented Case | 2024-04-30 | 11970922 | US20220356782A1 | Viggo Brandsdal Geir Valestrand Aasheim | Norway Norway | BOMAR, THOMAS S |
| 2022-02-22 | 17677458 | MOVEABLE DISINTEGRATABLE PLUG ELEMENT | Frac Technology AS | Patented Case | 2024-04-16 | 11959354 | US20220170341A1 | Viggo Brandsdal | Norway | LOIKITH, CATHERINE A |
| 2021-10-18 | 17504294 | Plugging Device | Nine Downhole Technologies, LLC | Patented Case | 2023-08-01 | 11713649 | US20220034194A1 | Viggo Brandsdal Geir Valestrand Aasheim | Norway Norway | SAYRE, JAMES G |
| 2021-04-16 | 17233215 | Shearable Sleeve | Nine Downhole Technologies, LLC | Patented Case | 2023-09-19 | 11761289 | US20210340836A1 | Viggo Brandsdal | Norway | YAO, THEODORE N |
| 2021-02-11 | 17174196 | DISINTERGRATABLE PLUG ELEMENT | Frac Technology AS | Patented Case | 2022-04-12 | 11299956 | US20210164316A1 | Viggo Brandsdal | Norway | LOIKITH, CATHERINE A |
| 2020-04-02 | 16838809 | SLEEVE FOR DOWNHOLE TOOLS | Nine Downhole Technologies, LLC | Patented Case | 2022-10-04 | 11459839 | US20210310322A1 | Donald Roy Greenlee | United States | MACDONALD, STEVEN A |
| 2020-02-20 | 16796769 | PLUGGING DEVICE | Nine Downhole Technologies, LLC | Patented Case | 2021-10-19 | 11149522 | US20210262316A1 | Viggo BRANDSDAL Geir VALESTRAND AASHEIM | Norway Norway | SAYRE, JAMES G |
| 2019-10-22 | 16660604 | CUP PLUG HAVING A LARGE FLOW-THROUGH INSIDE DIAMETER | Nine Downhole Technologies, LLC | Patented Case | 2022-06-28 | 11371312 | US20200048983A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | HARCOURT, BRAD |
| 2019-06-14 | 16442311 | COMPACT DOWNHOLE TOOL | Nine Downhole Technologies, LLC | Patented Case | 2022-06-21 | 11365600 | US20200392808A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | STEPHENSON, DANIEL P |
| 2018-07-13 | 16035228 | Plug Arrangement Comprising A Disintegratable Plug Element | Frac Technology AS | Patented Case | 2021-03-02 | 10934802 | US20190017345A1 | Viggo BRANDSDAL | Norway | LOIKITH, CATHERINE A |
| 2018-05-16 | 15981592 | Filament-Reinforced Composite Material with Load-Aligned Filament Windings | Nine Downhole Technologies, LLC | Patented Case | 2021-05-25 | 11015415 | US20190352999A1 | Donald Roy Greenlee Donald Jonathan Greenlee Brian David Oligschlaeger | United States United States United States | WRIGHT, GIOVANNA COLLINS |
| 2018-02-15 | 15898067 | Retrievable Downhole Tool | Nine Downhole Technologies, LLC | Patented Case | 2019-09-03 | 10400535 | Donald Roy Greenlee | United States | PATEL, NEEL G | |
| 2018-02-14 | 15896870 | DOWNHOLE TOOL | FRAC TECHNOLOGY AS | Patented Case | 2020-01-28 | 10544653 | US20180230772A1 | Viggo Brandsdal Geir Valestrand Aasheim | Norway Norway | LEMBO, AARON LLOYD |
| 2017-07-19 | 15654156 | DOWNHOLE ASSEMBLY FOR SELECTIVELY SEALING OFF A WELLBORE | Nine Energy Service, Inc. | Patented Case | 2021-08-24 | 11098556 | US20170314363A1 | W. LYNN FRAZIER | United States | MICHENER, BLAKE E |
| 2017-03-22 | 15466523 | Cup Plug Having a Large Flow-Through Inside Diameter | Nine Downhole Technologies, LLC | Patented Case | 2019-11-26 | 10487615 | US20180274325A1 | Donald Roy Greenlee Donald Jonathan Greenlee | United States United States | HARCOURT, BRAD |
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