E04H 9/12
Entirely underneath the level of the ground
Official title: entirely underneath the level of the ground, e.g. air-raid galleries
E04H9/12 (Entirely underneath the level of the ground) appears on 63 US grants and 32 published applications in this corpus.
Search patents in E04H- Granted patents
- 63
- Published applications
- 32
- Assignees
- 25
- Inventors
- 96
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 2 | 5 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 4 | 2 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 3 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Underground room arrangement21 Apr 2026US 12,607,004 B2PeltomäEn Rakennus Oy
- System for building prefabricated modular, sealed, and pressurized habitats31 Mar 2026US 12,590,454 B2
- Underground shelter with air-intake system26 Mar 2024US 11,939,792 B2Atlas Survival Shelters LLC
- Fire resistant shelter2 Jan 2024US 11,859,404 B2Shelter Japan Co., Ltd.
- Storm avoiding buildings and structures20 Sep 2022US 11,447,972 B2
- Underground Shelter with Air-Intake System17 Oct 2024US 2024/0344347 A1Atlas Survival Shelters LLC
- Shelter assembly21 Mar 2024US 2024/0093458 A1
- Underground room arrangement21 Mar 2024US 2024/0093478 A1PeltomäEn Rakennus Oy
- System for building prefabricated modular, sealed, and pressurized habitats27 Apr 2023US 2023/0130786 A1
- Underground Shelter with Air-Intake System16 Feb 2023US 2023/0052761 A1Atlas Survival Shelters LLC
Most cited
By later US patents
- Mechanism for locking two halves of an underground vault64US 4,333,580 AAssociated Plastics, Inc. · 1982
- Apparatus and method for storm shelter44US 6,131,343 A2000
- Tornado underground shelter38US 4,955,166 A1990
- Site assembled emergency shelter38US 5,930,961 A1999
- Storm cellar or the like32US 4,539,780 ADalworth Construction Inc. · 1985