E04H 13/005
Ventilation systems therefor
Official title: {Ventilation systems therefor}
E04H13/005 (Ventilation systems therefor) appears on 10 US grants and 3 published applications in this corpus.
Search patents in E04H- Granted patents
- 10
- Published applications
- 3
- Assignees
- 2
- Inventors
- 16
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for minimizing phorid fly infestation in cemetery mausoleum buildings10 Feb 2026US 12,543,720 B2Ensure-A-Seal, Inc.
- Burial vault31 Jan 2023US 11,566,439 B2Polyguard & Co., LLC
- Interment system including desiccation vessel for securely and portably retaining decedent remains, and building structure for housing same23 Mar 2021US 10,954,688 B2
- Burial system and method1 Nov 2016US 9,480,617 B1
- Mausoleum construction25 Apr 1995US 5,408,787 A
- Systems and methods for minimizing phorid fly infestation in cemetery mausoleum buildings21 Nov 2024US 2024/0381865 A1Ensure-A-Seal, Inc.
- Burial vault29 Oct 2020US 2020/0340265 A1Polyguard & Co., LLC
- Interment system including desiccation vessel for securely and portably retaining decedent remains, and building structure for housing same20 Aug 2020US 2020/0263447 A1
Most cited
By later US patents