E02D 29/04
Making large underground spaces
Official title: {Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof (E02D29/10 takes precedence; water-supply or sewerage plants E03; layout of water power plants E02B9/00; making large underground chambers by underground methods only E21D13/00)}
E02D29/04 (Making large underground spaces) appears on 15 US grants and 17 published applications in this corpus.
Search patents in E02D- Granted patents
- 15
- Published applications
- 17
- Assignees
- 14
- Inventors
- 63
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 2 | 6 |
| 2017 | 3 | 1 |
| 2018 | 2 | 1 |
| 2019 | 3 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Foot frame bottom plate type fixed parts, sealed inner lining structure, underground chamber and construction method15 Sep 2026US 12,735,854 B2Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Assembled subway station and construction method thereof12 Mar 2024US 11,926,982 B2Guangzhou Metro Design & Research Institute Co., Ltd.
- Transportation system3 Oct 2023US 11,772,914 B2Hyperloop Technologies, Inc.
- Bailey support system applied to cross protection of complex pipes and cables and construction method thereof18 Oct 2022US 11,473,262 B2China Railway 18 Bureau Group Co. Ltd.
- Precast wall having increased pouring resistance1 Mar 2022US 11,261,596 B2Samsung Engineering Co., Ltd.
- Foot frame bottom plate type fixed parts, sealed inner lining structure, underground chamber and construction method20 Mar 2025US 2025/0092630 A1Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
- Assembled subway station and construction method thereof19 May 2022US 2022/0154419 A1Guangzhou Metro Design & Research Institute Co., Ltd.
- Transportation system7 Apr 2022US 2022/0106136 A1Hyperloop Technologies, Inc.
- Transportation system19 Aug 2021US 2021/0253379 A1Hyperloop Technologies, Inc.
- Bailey support system applied to cross protection of complex pipes and cables and construction method thereof14 Jan 2021US 2021/0010222 A1China Railway 18 Bureau Group Co. Ltd.
Most cited
By later US patents
- Transportation system20US 9,718,630 B2Hyperloop Technologies, Inc. · 2017
- Utility vault support bar snap feature9US 10,132,052 B2Oldcastle Precast, Inc. · 2018
- Transportation system6US 9,511,959 B2Hyperloop Technologies, Inc. · 2016
- Transportation system6US 9,517,901 B2Hyperloop Technologies, Inc. · 2016
- Transportation system3US 9,604,798 B2Hyperloop Technologies, Inc. · 2017