E04G 2021/127
Circular prestressing of
Official title: {Circular prestressing of, e.g. columns, tanks, domes}
E04G2021/127 (Circular prestressing of) appears on 38 US grants and 5 published applications in this corpus.
Search patents in E04G- Granted patents
- 38
- Published applications
- 5
- Assignees
- 24
- Inventors
- 73
- Latest grant
- 2 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
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| 2000 | 1 | 0 |
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| 2002 | 0 | 1 |
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| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
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| 2011 | 0 | 0 |
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| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing prestressed structures and structural parts by means of SMA tension elements, and structure and structural part equipped therewith2 Apr 2019US 10,246,887 B2Eidgenoessische Materialpruefungs-Und Forschungsanstalt Empa
- Tank and method for constructing dike22 Jan 2019US 10,184,240 B2Kajima Corporation
- Preparing strand cable for concrete mold12 Apr 2005US 6,877,688 B2Hamilton Form Co., Inc.
- Hybrid wire winder and seismic cables18 Jan 2005US 6,843,443 B2DYK Incorporated
- Wire wrapping machine18 Jul 2000US 6,089,493 A
- Bionic architecture construction method and system27 Nov 2025US 2025/0361733 A1Shenzhen University
- Tank and method for constructing dike12 Jul 2018US 2018/0195264 A1Kajima Corporation
- Method for producing prestressed structures and structural parts by means of sma tension elements, and structure and structural part equipped therewith2 Nov 2017US 2017/0314277 A1Eidgenoessische Materialpruefungs-Und Forschungsanstalt Empa
- Preparing strand cable for concrete mold13 Mar 2003US 2003/0047826 A1Hamilton Form Co., Inc.
- Hybird wire winder and seismic cables20 Jun 2002US 2002/0074444 A1DYK Incorporated
Most cited
By later US patents
- Method for manufacturing concrete structure43US 4,786,341 AMitsubishi Chemical Industries Limited · 1988
- Multi-purpose dome structure and the construction thereof22US 5,094,044 A1992
- Self-propelled slip form method16US 4,320,075 A1982
- Apparatus for constructing circumerentially wrapped prestressed structures utilizing a membrane and having seismic coupling16US 5,177,919 A1993
- Multi-purpose dome structure and the method of construction thereof16US 5,408,793 A1995