Technology area
Building, mining, and civil engineering structures.
Classification codes linked to this technology area.
| Metric | Value |
|---|---|
| Technology | Fixed Constructions |
| Total patents | 148,599 |
| First year | 2015 |
| Last year | 2026 |
Year-over-year patent counts in this technology area.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10,420 |
| 2016 | 11,876 |
| 2017 | 12,628 |
| 2018 | 13,305 |
| 2019 | 14,787 |
| 2020 | 14,628 |
| 2021 | 14,321 |
| 2022 | 13,711 |
| 2023 | 13,388 |
| 2024 | 14,008 |
| 2025 | 12,546 |
| 2026 | 2,981 |
Assignees with the most patents in this technology area.
| Assignee | Patents |
|---|---|
| Halliburton Energy Services Inc | 13,878 |
| Schlumberger Technology Corp | 7,424 |
| Saudi Arabian Oil Co | 7,117 |
| Baker Hughes Inc | 2,949 |
| Caterpillar Inc | 2,760 |
Representative publications in this technology area from precomputed stats, or recent filings when stats are unavailable.
US-2026098407-A1 · Apr 9, 2026 · US
US-2026098412-A1 · Apr 9, 2026 · US
US-2026098467-A1 · Apr 9, 2026 · US
US-2026098395-A1 · Apr 9, 2026 · US
US-2026098408-A1 · Apr 9, 2026 · US
Latest publications classified in this technology area.
US-2024426069-A1 · Dec 26, 2024 · US
US-2024392551-A1 · Nov 28, 2024 · US
US-2024376680-A1 · Nov 14, 2024 · US
US-2024376757-A1 · Nov 14, 2024 · US
US-12139948-B2 · Nov 12, 2024 · US
US-2024368928-A1 · Nov 7, 2024 · US
US-2024352743-A1 · Oct 24, 2024 · US
US-12116780-B2 · Oct 15, 2024 · US
US-12091152-B2 · Sep 17, 2024 · US
US-12083875-B2 · Sep 10, 2024 · US
US-11939855-B2 · Mar 26, 2024 · US
US-11898386-B1 · Feb 13, 2024 · US
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