Safety valve, well system, and method employing an electrical sensor
US-2026098457-A1 · Apr 9, 2026 · US
Halliburton Energy Services Inc holds 16,064 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 16,064 |
| Recent patents | 3,088 |
| First publication | Mar 24, 2015 |
| Latest publication | Apr 9, 2026 |
Year-over-year patent counts for this assignee.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 836 |
| 2016 | 1,668 |
| 2017 | 1,678 |
| 2018 | 1,775 |
| 2019 | 1,646 |
| 2020 | 1,438 |
| 2021 | 1,874 |
| 2022 | 1,452 |
| 2023 | 1,239 |
| 2024 | 1,088 |
| 2025 | 1,140 |
| 2026 | 230 |
Latest publications where this party is an assignee.
US-2026098457-A1 · Apr 9, 2026 · US
US-2026100294-A1 · Apr 9, 2026 · US
US-2026099138-A1 · Apr 9, 2026 · US
US-2026098465-A1 · Apr 9, 2026 · US
US-2026098455-A1 · Apr 9, 2026 · US
Representative or frequently cited publications from precomputed assignee stats.
US-2026098457-A1 · Apr 9, 2026 · US
US-2026100294-A1 · Apr 9, 2026 · US
US-2026099138-A1 · Apr 9, 2026 · US
US-2026098465-A1 · Apr 9, 2026 · US
US-2026098455-A1 · Apr 9, 2026 · US
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| E21B43/26 | 1,273 |
| E21B47/12 | 1,131 |
| E21B49/00 | 1,002 |
| E21B47/00 | 958 |
| E21B43/267 | 914 |
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 13,776 |
| Physics | 5,842 |
| Chemistry & Metallurgy | 3,308 |
| Mechanical Engineering | 1,510 |
| Operations & Transport | 1,112 |
| Electricity | 1,067 |
| Cross-Sectional Technologies | 689 |
| Human Necessities | 38 |
| Textiles & Paper | 12 |
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