E02D 31/008
Against entry of noxious gases
Official title: {against entry of noxious gases, e.g. Radon}
E02D31/008 (Against entry of noxious gases) appears on 79 US grants and 45 published applications in this corpus.
Search patents in E02D- Granted patents
- 79
- Published applications
- 45
- Assignees
- 39
- Inventors
- 110
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 4 |
| 2017 | 3 | 2 |
| 2018 | 2 | 6 |
| 2019 | 0 | 2 |
| 2020 | 6 | 4 |
| 2021 | 1 | 1 |
| 2022 | 1 | 4 |
| 2023 | 2 | 2 |
| 2024 | 5 | 4 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring system for a radon mitigation system27 Jan 2026US 12,534,868 B2
- Multilayer membrane for construction6 Jan 2026US 12,516,490 B2Tema Technologies and Materials Srl
- Radon gas mitigation system and kit for a building with a crawlspace5 Aug 2025US 12,378,745 B2
- Dual channel drainage seal for channeling water seepage and mitigating radon gas admittance in a basement or subterranean area12 Nov 2024US 12,139,906 B2Dual Seal Drain LLC
- Radon and moisture barrier for buildings22 Oct 2024US 12,123,158 B2Advanced Building Products, Inc.
- Epoxy methane barrier for concrete floors and walls, and a method of making, and using same17 Oct 2024US 2024/0344320 A1
- Automatic drainage device for radon mitigation systems22 Aug 2024US 2024/0280183 A1
- Barrier film for construction8 Aug 2024US 2024/0263439 A1Berry Global, Inc.
- Monitoring System For A Radon Mitigation System9 May 2024US 2024/0150991 A1EsenselQ, LLC
- Radon gas mitigation system and kit for a building with a crawlspace7 Dec 2023US 2023/0392344 A1
Most cited
By later US patents
- Enclosure conditioned housing system55US 4,843,786 A1989
- Radon gas ventilation pump system and method54US 4,905,579 A1990
- Shield for building foundation53US 4,907,386 A1990
- Stress-relieving barrier membrane for concrete slabs and foundation walls50US 7,488,523 B1Polyguard Products, Inc. · 2009
- Computer controlled air conditioning systems48US 4,567,939 A1986